Samsung Galaxy S21 Ultra vs Asus ROG Phone 5 Ultimate 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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| Samsung Galaxy S21 Ultra | Asus ROG Phone 5 Ultimate | 
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                                    Released
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                                                Jan 29, 2021
                                    
             
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                                    Released
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                                                Jun 07, 2021
                                    
             
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                                                6.8-inch · 3200x1440px
                                    
             
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                                                6.8-inch · 2448x1080px
                                    
             
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                                                Quad camera
                                    
             
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                                                Triple camera
                                    
             
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                                                12GB · 128GB
                                    
             
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                                                18GB · 512GB
                                    
             
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                                                5000 mAh
                                    
             
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                                                6000 mAh
                                    
             
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| Check prices | 
Availability
| Officially announced | |
|---|---|
| Jan 14, 2021 | Mar 10, 2021 | 
| Prices (MSRP) | |
| 12GB/128GB - $1200 | €1399 | |
Design
| Dimensions | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)  165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        6.80 x 3.04 x 0.41 inches  172.8 x 77.2 x 10.29 mm  | 
        
                                    
| Weight | |
| 8.04 oz / 229.0 g | 8.40 oz / 238.0 g | 
| Materials | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum  | 
| Resistance | |
| Water, Dust; IP68 | |
| Biometrics | |
| 2D Face unlock, Ultrasonic in-screen fingerprint | Optical in-screen fingerprint | 
| Features | |
| Touch sensitive control keys | |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key, Other | 
| Colors | |
| Phantom black, Silver | Matte White | 
Display
| Size | |
|---|---|
| 6.8-inch, 89.33% screen-to-body | 6.8-inch, 82.12% screen-to-body | 
| Type | |
| Dynamic AMOLED, 120Hz, HDR, 1500 nits | AMOLED, 144Hz, HDR, 1200 nits | 
| Resolution | |
| 3200x1440px, 20:9 ratio, 516 PPI | 2448x1080px, 20.4:9 ratio, 395 PPI | 
| Protection | |
| Corning Gorilla Glass Victus | Corning Gorilla Glass Victus | 
PhoneArena Display Test
        | Bright Max (20% APL) | |
|---|---|
| Untested | Untested | 
| Bright Min | |
| 1.5 (Good) | Untested | 
                Learn more on our
                PhoneArena Display Test Results page.
            
            Hardware
| System chip | |
|---|---|
| Snapdragon 888 SM8350 (5 nm) | Snapdragon 888 (5 nm) | 
| Processor | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Octa-core 2840 MHz Kryo 680  | 
        
                                    
| GPU | |
| Adreno 660 | Adreno 660 | 
| Memory | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 12GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB 16GB/512GB  | 
        
                                                        18GB (LPDDR5)/512GB (UFS 3.1) | 
| Storage expansion | |
| not expandable | not expandable | 
| OS | |
| Android (14, 13, 12, 11) | Android (11) | 
PhoneArena Performance Test
        | GeekBench 6 Single | |
|---|---|
| 1117 | Untested | 
| GeekBench 6 Multi | |
| 3312 | Untested | 
| 3D Mark High | |
| 1963 | Untested | 
| 3D Mark Low | |
| 1179 | Untested | 
                Learn more on our
                PhoneArena Performance Test Results page.
            
            Battery
| Type | |
|---|---|
| 5000 mAh, Li - Polymer | 6000 mAh | 
| Charging | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging  | 
        
                                                        Qualcomm Quick Charge 5 | 
| Charge speed | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Wired: 25.0W Wireless: 15.0W  | 
        
                                                        Wired: 65.0W | 
Battery Life Estimate
                            6h 15min
                        Browsing
                            14h 43min
                        Video
                            8h 52min
                        Gaming
                            8h 40min
                        Battery Life Estimate
                            Untested
                        Browsing
                            Untested
                        Video
                            Untested
                        Gaming
                            Untested
                        Camera
| Rear | |
|---|---|
| Quad camera | Triple camera | 
| Main camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 64 MP (PDAF) Aperture size: F1.8 Sensor size: 1/1.7" Pixel size: 0.8 μm  | 
| Second camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 11 mm  | 
        
                                    
| Third camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm  | 
        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        5 MP (Macro) Aperture size: F2.0  | 
        
                                    
| Fourth camera | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm  | 
        
                                                        |
| Flash | |
| LED | LED | 
| Video recording | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Video light, EIS  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps), 720p (480 fps) HDR, Continuous autofocus, Picture-taking during video recording, EIS  | 
| Front | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 40 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)  | 
        
                                                        24 MP | 
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.1 | 5.2 | 
| WLAN | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 a,b,g,n,ac,Wi-Fi 6 Multiple antennas, MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax  | 
| USB | |
| Type-C, USB 3.2 | Type-C, USB 3.1 | 
| Sensors | |
| Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, 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, QZSS, NavIC, Cell ID, Wi-Fi positioning | 
| Other | |
| NFC, ANT+ | NFC | 
Multimedia
| Headphones | |
|---|---|
| No 3.5mm jack | 3.5mm jack | 
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Loudspeaker, Multiple speakers | 
| Features | |
| 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus | aptX, aptX-HD | 
| Screen mirroring | |
| Wireless screen share | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 5G Bands | |
|---|---|
| n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave | n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n71, n77, n78, n79 | 
| 4G (FDD) Bands | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71 | 
| 4G (TDD) Bands | |
| 38, 39, 40, 41, 46, 48 | 34, 38, 39, 40, 41, 42, 48 | 
| 3G Bands | |
| 1, 2, 4, 5, 8 | 1, 2, 3, 4, 5, 8, 19 | 
| Data Speed | |
| LTE-A Pro Cat 20 (2000/150 Mbit/s) | LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS | 
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | Nano SIM | 
Regulatory Approval
| FCC approval | |
|---|---|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U  | |
| Measured SAR | |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg  | 
        
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Alternative variants
with 256GB storage
                                    | Memory | 256GB | 
|---|---|
| Colors | Phantom black | 
| Prices (MSRP) | $1250 | 
with 512GB storage
                                    | Memory | 16GB/512GB | 
|---|---|
| Colors | Phantom black | 
| Prices (MSRP) | $1380 | 
for Europe
                                    | System chip | Samsung Exynos 2100 (5 nm) | 
|---|---|
| Processor |                                                                                                                                 
                                                                                                                                                                                                                                                                    
                                            Octa-core 1x2.91GHz Cortex-X1 3x2.81GHz Cortex-A78 4x2.2GHz Cortex-A55  | 
        
                                                
| GPU | Mali G78 MP14 | 
| Weight | 8.01 oz / 227.0 g | 
| 5G Bands | SA, NSA, Sub-6 | 
| FCC approval |                                                                                                                                 
                                                                                                                                                                                                                                                                    
                                            Date approved: Dec 22, 2020 FCC ID value: A3LSMG998B  | 
| Measured SAR |                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                            Head: 0.16 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 3.86 W/kg  | 
        
                                                
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