Samsung Galaxy S21 Ultra
- Screen: 6.8" Dynamic AMOLED - 1440 x 3200
- SoC: Samsung Exynos 2100
- Camera: 4 (108 MP + 10 MP + 10 MP + 12 MP)
- Battery: 5000 mAh
- OS: Android 13
- Weight: 227 grams (8.01 oz)
Review
Full specifications
Detailed specifications, tests, and benchmarks of the Samsung Galaxy S21 UltraDisplay
| Type | Dynamic AMOLED |
| Size | 6.8 inches |
| Resolution | 1440 x 3200 pixels |
| Aspect ratio | 20:9 |
| PPI | 515 ppi |
| Refresh rate | 120 Hz |
| Adaptive refresh rate | Yes |
| Max rated brightness | 1500 nits |
| HDR support | Yes, HDR10+ |
| Screen protection | Gorilla Glass Victus |
| Screen-to-body ratio | 89.8% |
| Display features | - DCI-P3 - Always-On Display |
Design and build
| Height | 165.1 mm (6.5 inches) |
| Width | 75.6 mm (2.98 inches) |
| Thickness | 8.9 mm (0.35 inches) |
| Weight | 227 g (8.01 oz) |
| Waterproof | IP68 |
| Rear material | Glass |
| Frame material | Metal |
| Colors | Black, Silver, Gray, Blue |
| Fingerprint scanner | Yes, in-display |
Performance
| Chipset | Samsung Exynos 2100 |
| Max clock | 2840 MHz |
| CPU cores | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 2.2 GHz: Cortex-A55 - 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
| Lithography process | 5 nanometers |
| Graphics | Mali-G78 MP14 |
| GPU clock | 854 MHz |
| FLOPS | ~1575 GFLOPS |
Benchmarks
| CPU | 191240 |
| GPU | 256481 |
| Memory | 151369 |
| UX | 149052 |
| Total score | 743790 |
| Max surface temperature | 40.8 °C |
| Stability | 69% |
| Graphics test | 31 FPS |
| Graphics score | 5221 |
AnTuTu 9 Results - 160th place
Memory
| RAM size | 12, 16 GB |
| Memory type | LPDDR5 |
| Memory clock | 2750 MHz |
| Channels | 2 |
| Storage size | 128, 256, 512 GB |
| Storage type | UFS 3.1 |
| Memory card | No |
Software
| Operating system | Android 11 (Can be upgraded to Android 13) |
| ROM | One UI 5.1 |
| OS size | 26.4 GB |
Battery
| Capacity | 5000 mAh |
| Max charge power | 25 W |
| Battery type | Li-Ion |
| Replaceable | No |
| Wireless charging | Yes (15 W) |
| Reverse charging | Yes, (wireless) |
| Fast charging | Yes (54% in 30 min) |
| Full charging time | 1:11 hr |
| Web browsing | 10:13 hr |
| Watching video | 15:32 hr |
| Gaming | 05:26 hr |
| Standby | 98 hr |
Camera
| Matrix | 108 megapixels |
| Image resolution | 12000 x 9000 |
| Zoom | Optical, 10x |
| Flash | Dual LED |
| Stabilization | Optical |
| 8K video recording | Up to 24FPS |
| 4K video recording | Up to 60FPS |
| 1080p video recording | Up to 60FPS |
| Slow motion | 960 FPS (720p) |
| Angle of widest lens | 120° |
| Lenses | 4 (108 MP + 10 MP + 10 MP + 12 MP) |
| Wide (main) lens | - 108 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/1.33", Samsung S5KHM3 (ISOCELL Plus CMOS) - Laser autofocus - Optical stabilization |
| Telephoto lens | - 10 MP - Aperture: f/4.9 - Focal length: 240 mm - Pixel size: 1.22 micron - Sensor: 1/2.65", Samsung S5K3J1 (ISOCELL CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization |
| Ultra-wide lens | - 12 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.4 micron - Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel) |
| Camera features | - Bokeh mode - Pro mode - RAW support |
| Samples | Photo samples of Samsung Galaxy S21 Ultra from DxOMark |
| Megapixels | 40 megapixels |
| Image resolution | 7864 x 5200 |
| Aperture | f/2.2 |
| Focal length | 26 mm |
| Pixel size | 0.7 microns |
| Sensor type | ISOCELL CMOS |
| Sensor size | 1/2.65" |
| Video resolution | 2160p (4K) at 60 FPS |
DxOMark camera tests
Connectivity
| Wi-Fi standard | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.2 |
| Bluetooth features | LE, A2DP |
| USB type | USB Type-C |
| USB version | 3.2 |
| USB features | - Charging - USB-Storage mode - USB-Host mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes |
| Infrared port | No |
| Number of SIM* | 2 |
| Type of SIM card | Nano |
| Multi SIM mode | Standby |
| eSIM support* | Yes |
| Hybrid slot | No |
| LTE Cat* | 24 |
| 2G network | GSM 850, 900, 1800, 1900 MHz |
| 3G network | WCDMA Band 1, 2, 4, 5, 8 |
| 4G network | LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 |
| 5G support | Yes |
Sound
| Speakers | Stereo |
| Headphone audio jack | No |
| FM radio | No |
| Dolby Atmos | Yes |
Speakers test
Other
| Category | Flagship |
| Announced | January 2021 |
| Release date | February 2021 |
| SAR (head) | 0.71 W/kg |
| SAR (body) | 1.58 W/kg |
| Sensors | - Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*Disclaimer! Some specifications of the Galaxy S21 Ultra may differ by country or region
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