OPPO R9s Plus vs Samsung Galaxy A51 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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| OPPO R9s Plus | Samsung Galaxy A51 | 
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                                    Released
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                                                Dec 01, 2016
                                    
             
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                                    Released
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                                                Dec 27, 2019
                                    
             
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                                                6.0-inch · 1920x1080px
                                    
             
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                                                6.5-inch · 2400x1080px
                                    
             
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                                                Single camera
                                    
             
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                                                Quad camera
                                    
             
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                                                6GB · 64GB
                                    
             
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                                                4GB · 128GB
                                    
             
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                                                4000 mAh
                                    
             
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                                                4000 mAh
                                    
             
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| Check prices | 
Availability
| Officially announced | |
|---|---|
| Dec 12, 2019 | |
| Prices (MSRP) | |
| $520 | $400 | 
Design
| Dimensions | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 6.44 x 3.18 x 0.29 inches  163.63 x 80.8 x 7.35 mm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        6.24 x 2.90 x 0.31 inches  158.5 x 73.6 x 7.9 mm  | 
        
                                    
| Weight | |
| 6.53 oz / 185.0 g | 6.07 oz / 172.0 g | 
| Materials | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Back: Plastic Frame: Plastic  | 
        
                                    |
| Biometrics | |
| Fingerprint (touch) | 2D Face unlock, Optical in-screen fingerprint | 
| Keys | |
| Left: Volume control; Right: Lock/Unlock key | Right: Volume control, Lock/Unlock key | 
| Colors | |
| Gold, Pink | Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue | 
Display
| Size | |
|---|---|
| 6.0-inch, 75.11% screen-to-body | 6.5-inch, 87.37% screen-to-body | 
| Type | |
| AMOLED | Super AMOLED, 60Hz | 
| Resolution | |
| 1920x1080px, 367 PPI | 2400x1080px, 20:9 ratio, 405 PPI | 
| Protection | |
| Corning Gorilla Glass 5 | Corning Gorilla Glass 3 | 
PhoneArena Display Test
        | Bright Max (20% APL) | |
|---|---|
| Untested | Untested | 
| Bright Min | |
| Untested | 1.7 (Good) | 
                Learn more on our
                PhoneArena Display Test Results page.
            
            Hardware
| System chip | |
|---|---|
| Snapdragon 653 8976Pro | Samsung Exynos 9611 (10 nm) | 
| Processor | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Octa-core 1950 MHz ARM Cortex-A72 and ARM Cortex-A53  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7GHz Cortex-A53  | 
        
                                    
| GPU | |
| Adreno 510 | Mali-G72 MP3 | 
| Memory | |
| 6GB (LPDDR3)/64GB |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 4GB (LPDDR4)/128GB 6GB/128GB  | 
        
                                    
| Storage expansion | |
| microSDXC up to 128 GB | microSDXC up to 512 GB | 
| OS | |
| Android (6.0 Marshmallow) | Android (11, 10) | 
Battery
| Type | |
|---|---|
| 4000 mAh, Li - Polymer | 4000 mAh, Li - Polymer | 
| Charging | |
| OPPO VOOC | Fast charging | 
Battery Life Estimate
                            Untested
                        Browsing
                            Untested
                        Video
                            Untested
                        Gaming
                            Untested
                        Battery Life Estimate
                            5h 22min
                        Browsing
                            11h 35min
                        Video
                            8h 35min
                        Gaming
                            6h 40min
                        Camera
| Rear | |
|---|---|
| Single camera | Quad camera | 
| Main camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 16 MP (OIS, Autofocus, CMOS image sensor) Aperture size: F1.7  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm  | 
        
                                    
| Second camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm  | 
        
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| Third camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm  | 
        
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| Fourth camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm  | 
        
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| Flash | |
| Dual LED | LED | 
| Video recording | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 4K UHD, 1080p (30 fps) HDR  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS  | 
        
                                    
| Front | |
| 16 MP |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 32 MP (HDR) Video capture: 1080p  | 
        
                                    
Connectivity & Features
| Bluetooth | |
|---|---|
| 4.0 | 5.0 | 
| WLAN | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 b,g,n,dual-band 802.11 b, g, n  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac  | 
        
                                    
| USB | |
| microUSB, USB 2.0 | Type-C, USB 2.0 | 
| Sensors | |
| Accelerometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor | 
| Location | |
| GPS, A-GPS | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | 
| Other | |
| Tethering, Computer sync, OTA sync | NFC, ANT+ | 
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack | 
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker | 
| Features | |
| Album art cover, Background playback | Dolby Atmos | 
| Screen mirroring | |
| Wireless screen share | Wireless screen share | 
| Radio | |
| FM | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 4G (FDD) Bands | |
|---|---|
| 1, 2, 3, 4, 5, 8 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 | 
| 4G (TDD) Bands | |
| 38, 39, 40, 41 | 38, 39, 41 | 
| 3G Bands | |
| 5, 8, 4, 2, 1 | 1, 2, 4, 5, 8 | 
| Data Speed | |
| LTE | LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | 
| SIM type | |
| Nano SIM | Nano SIM | 
| VoLTE | |
| Yes | |
Regulatory Approval
| FCC approval | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN  | |
| Measured SAR | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg  | 
        
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Alternative variants
with 128GB storage
                                    | Memory | 6GB/128GB | 
|---|---|
for Verizon
                                    | 4G (FDD) Bands | 2, 3, 4, 5, 7, 13, 20, 28, 66 | 
|---|---|
| 3G Bands | 5, 8, 2, 1 | 
for AT&T
                                    | 4G (FDD) Bands | 2, 4, 5, 12, 13, 25, 26, 66, 71 | 
|---|---|
| 4G (TDD) Bands | 41 | 
for Sprint
                                    | 4G (FDD) Bands | 2, 4, 5, 12, 13, 25, 26, 66, 71 | 
|---|---|
| 4G (TDD) Bands | 41 | 
for Europe
                                    | 4G (FDD) Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66 | 
|---|---|
| 4G (TDD) Bands | 38, 40, 41 | 
| Dual SIM | Yes | 
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