Phone
Samsung Galaxy S21
- Brand
- Samsung
- Release date
- Jan 14, 2021
- Screen size
- 6.2 ″
- Chip
- Samsung Exynos 2100
- Memory
- 8 GB
- Storage
- 128 GB
The UnboxingTN Verdict
out of 100
A compact, well-built flagship with excellent connectivity and versatile cameras, but its 4000 mAh battery and Android 11 feel dated.
What is good
- IP68 protection and lightweight 169 g construction
- 64 MP OIS main camera and 3x optical telephoto
- 5G, Wi‑Fi 6 and USB-C 3.2 connectivity
What is not
- 4000 mAh battery with only 25 W wired charging
- Android 11 software feels outdated
- Exynos 2100 and 8 GB RAM offer merely adequate performance
How the score breaks down
- Performance 69
- Camera 78
- Display 69
- Battery 17
- Connectivity 91
- Build 93
- Software 34
Also known as
sm-g991u-galaxy-s21-5g-uw-dual-sim-td-lte-us-128gb-sm-g991r4 · SM-G991U Galaxy S21 5G · SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 128GB / SM-G991R4 · sm-g991u1-galaxy-s21-5g-uw-dual-sim-td-lte-us-128gb · SM-G991U1 Galaxy S21 5G · SM-G991U1 Galaxy S21 5G UW Dual SIM TD-LTE US 128GB · sm-g991b-ds-galaxy-s21-5g-global-dual-sim-td-lte-128gb · SM-G991B/DS Galaxy S21 5G Global · SM-G991B/DS Galaxy S21 5G Global Dual SIM TD-LTE 128GB · sm-g9910-galaxy-s21-5g-dual-sim-td-lte-cn-hk-128gb · SM-G9910 Galaxy S21 5G · SM-G9910 Galaxy S21 5G Dual SIM TD-LTE CN HK 128GB · sm-g991w-galaxy-s21-5g-dual-sim-td-lte-ca-128gb · SM-G991W Galaxy S21 5G · SM-G991W Galaxy S21 5G Dual SIM TD-LTE CA 128GB · galaxy-s21 · Galaxy S21 5G · samsung-galaxy-s21-8gb-128gb-5g · Galaxy S21
Specifications
Performance
- Chip
- Samsung Exynos 2100
- Chip maker
- Samsung
- Process
- 5 nm
- Graphics
- Mali-G78 MP14
- Operating system
- Android
- System version
- 11
Memory and storage
- Memory
- 8 GB
- Storage
- 128 GB
- 256 GB
Display
- Screen size
- 6.2 ″
- Resolution
- 1,080 × 2,400
- Panel type
- Dynamic AMOLED 2X
- Refresh rate
- 120 Hz
- Pixel density
- 421 ppi
- Brightness
- 1,300 nits
Battery
- Battery
- 4,000 mAh
- Wired charging
- 25 W
- Wireless charging
- 15 W
Cameras
- Cameras
- main · 64 MP · f/1.8 · Optical stabilisation
- ultrawide · 12 MP · f/2.2
- telephoto · 10 MP · f/2.4 · 3× · Optical stabilisation
- selfie · 10 MP · f/2.2
Connectivity
- Mobile network
- 5G
- Wi-Fi
- Wi-Fi 6
- Bluetooth
- 5.0
- NFC
- Yes
- USB
- USB-C 3.2
Design
- Weight
- 169 g
- Height
- 151.7 mm
- Width
- 71.2 mm
- Thickness
- 7.9 mm
- IP rating
- IP68
Data source · techapi:galaxy-s21