Samsung Galaxy S21 Ultra

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Samsung Galaxy S21 Ultra

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

Display
87
Camera
83
Performance
66
Gaming
59
Battery
72
Connectivity
91
NanoReview Score
75
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Full specifications

Detailed specifications, tests, and benchmarks of the Samsung Galaxy S21 Ultra

Display

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
Peak brightness test (auto)
1013 nits

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
Screen-to-body ratio
89.8%

Performance

All specs and test Samsung Galaxy S21 Ultra in the benchmarks
SoC
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 shading units 896
GPU clock 854 MHz
FLOPS ~1530.4 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
1448
Geekbench 6 (Multi-Core)
3872
AnTuTu Benchmark 10
672375
CPU 142297
GPU 240988
Memory 151927
UX 140705
Total score 672375
3DMark Wild Life Performance
5221
Max surface temperature 40.8 °C
Stability 69%
Graphics test 31 FPS
Graphics score 5221

Memory

RAM
RAM size 12, 16 GB
Memory type LPDDR5
Memory clock 2750 MHz
Channels 2
Storage
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
Battery life tests
Web browsing 10:13 hr
Watching video 15:32 hr
Gaming 05:26 hr
Standby 98 hr
General battery life
31:14 hr

Camera

Specs and camera test of the Galaxy S21 Ultra
Main 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
Selfie camera
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

Photo quality
121
Video quality
100
Generic camera score
115

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
Network
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
Max loudness
88 dB

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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