Xiaomi Redmi 9T vs Samsung Galaxy A51 5G Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Xiaomi Redmi 9T | Samsung Galaxy A51 5G | 
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                                    Released
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                                                Jan 18, 2021
                                    
             
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                                    Released
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                                                Apr 29, 2020
                                    
             
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                                                6.5-inch · 2340x1080px
                                    
             
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                                                6.5-inch · 2400x1080px
                                    
             
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                                                Quad camera
                                    
             
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                                                Quad camera
                                    
             
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                                                4GB · 64GB
                                    
             
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                                                6GB · 128GB
                                    
             
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                                                6000 mAh
                                    
             
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                                                4500 mAh
                                    
             
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| Check prices | 
Availability
| Officially announced | |
|---|---|
| Jan 08, 2021 | Apr 08, 2020 | 
| Prices (MSRP) | |
| 4GB/64GB - €159 | $500 | 
Design
| Dimensions | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 6.39 x 3.04 x 0.38 inches  162.3 x 77.3 x 9.6 mm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        6.26 x 2.90 x 0.34 inches  158.9 x 73.6 x 8.7 mm  | 
        
                                    
| Weight | |
| 6.98 oz / 198.0 g | 6.60 oz / 187.0 g | 
| Materials | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Back: Plastic Frame: Plastic  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Back: Plastic Frame: Aluminum  | 
        
                                    
| Resistance | |
| Splash | |
| Biometrics | |
| 2D Face unlock, Fingerprint (touch) | 2D Face unlock, Optical in-screen fingerprint | 
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key | 
| Colors | |
| Carbon gray, Twilight blue, Sunrise orange, Ocean green | Prism cube black | 
Display
| Size | |
|---|---|
| 6.5-inch, 82.14% screen-to-body | 6.5-inch, 87.37% screen-to-body | 
| Type | |
| IPS LCD | Super AMOLED, 60Hz | 
| Resolution | |
| 2340x1080px, 19.5:9 ratio, 395 PPI | 2400x1080px, 20:9 ratio, 405 PPI | 
| Protection | |
| Corning Gorilla Glass 3 | Corning Gorilla Glass 3 | 
| Features | |
| Oleophobic coating | |
Hardware
| System chip | |
|---|---|
| Snapdragon 662 SM6115 (11 nm) | Samsung Exynos 980 (8 nm) | 
| Processor | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Octa-core Kryo 260  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Octa-core 2x2.2GHz Cortex-A77 6x1.8GHz Cortex-A55  | 
        
                                    
| GPU | |
| Adreno 610 | Mali-G76 MP5 | 
| Memory | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 4GB/64GB (UFS 2.1) 4GB/128GB 6GB/128GB  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        6GB (LPDDR4)/128GB 8GB/128GB  | 
        
                                    
| Storage expansion | |
| microSDXC up to 512 GB | microSDXC up to 1000 GB | 
| OS | |
| Android (10) | Android (11, 10) | 
Battery
| Type | |
|---|---|
| 6000 mAh | 4500 mAh, Li - Polymer | 
| Charging | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Fast charging Reverse wired charging  | 
        
                                                        Fast charging | 
| Charge speed | |
| Wired: 18.0W | Wired: 25.0W | 
Camera
| Rear | |
|---|---|
| Quad camera | Quad camera | 
| Main camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm  | 
| Second camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 8 MP (Ultra-wide) Aperture size: F2.2  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm  | 
        
                                    
| Third camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 μm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm  | 
        
                                    
| Fourth camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm  | 
        
                                    
| Flash | |
| LED | LED | 
| Video recording | |
| 1080p (30 fps), 720p (30 fps) |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS  | 
        
                                    
| Front | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 8 MP Video capture: 1080p  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 32 MP (HDR) Video capture: 1080p  | 
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.0 | 
| WLAN | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac  | 
| USB | |
| Type-C | Type-C, USB 2.0 | 
| Sensors | |
| Accelerometer, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor | 
| Hearing aid compatible | |
| M3/T3 | |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | 
| Other | |
| Infrared | NFC, ANT+ | 
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack | 
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Loudspeaker | 
| Features | |
| Dolby Atmos | |
| Screen mirroring | |
| Wireless screen share | |
| Radio | |
| FM | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 5G Bands | |
|---|---|
| n41, n71, SA, NSA | |
| 4G (FDD) Bands | |
| 1, 2, 3, 4, 5, 7, 8, 20, 28 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71 | 
| 4G (TDD) Bands | |
| 38, 40, 41 | 38, 39, 40, 41 | 
| 3G Bands | |
| 1, 2, 4, 5, 8 | 1, 2, 4, 5 | 
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | 
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | |
| HD Voice | |
| Yes | |
Regulatory Approval
| FCC approval | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Date approved: Jan 19, 2021 FCC ID value: 2AFZZJ19SL  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U  | 
| Measured SAR | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Head: 1.09 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.10 W/kg  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Head: 1.18 W/kg Body: 1.20 W/kg Simultaneous Transmission: 3.25 W/kg Wireless Router: 1.37 W/kg  | 
        
                                    
Alternative variants
with 128GB storage
                                    | Memory | 128GB (UFS 2.2) | 
|---|---|
| Prices (MSRP) | €189 | 
with 8GB RAM
                                    | Memory | 8GB | 
|---|---|
with 6GB storage
                                    | Memory | 6GB/128GB (UFS 2.2) | 
|---|---|
for Europe
                                    | Colors | Prism cube black, Prism cube white | 
|---|---|
| 5G Bands | n41, n78, SA, NSA | 
| 4G (FDD) Bands | 1, 3, 4, 5, 7, 8, 12, 20, 28 | 
| 4G (TDD) Bands | 38, 40, 41 | 
| 3G Bands | 5, 8, 2, 1 | 
| Dual SIM | Yes | 
| SIM type | Nano SIM | 
for Verizon
                                    | System chip | Snapdragon 765G SM7250-AB (7 nm) | 
|---|---|
| Processor |                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                                                            
                                            Octa-core 2400 MHz Kryo 475  | 
        
                                                
| GPU | Adreno 620 | 
| Colors | Prism bricks blue | 
| 5G Bands | n260, n261, mmWave | 
| 4G (FDD) Bands | 2, 3, 4, 5, 7, 12, 13, 20, 28, 66 | 
| 3G Bands | 5, 8, 2, 1 | 
| FCC approval |                                                                                                                                 
                                                                                                                                                                                                                                                                    
                                            Date approved: Jul 20, 2020 FCC ID value: A3LSMA516V  | 
| Measured SAR |                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                            Head: 0.32 W/kg Body: 1.32 W/kg Simultaneous Transmission: 3.01 W/kg Wireless Router: 1.37 W/kg Phablet: 3.91 W/kg  | 
        
                                                
| Prices (MSRP) | $550 | 
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