Samsung Galaxy S21 Plus

Samsung Galaxy S21 Plus
  • Display: 6.7" Dynamic AMOLED - 1080x2400 pixels
  • Chip: Samsung Exynos 2100
  • Camera: 3 (12MP + 12MP + 64MP)
  • Battery: 4800 mAh
  • OS: Android 11 (Upgradeable to Android 14)
  • Weight: 200 g

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB

Review

Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview

Tech Specs

Full specs and component tests Samsung Galaxy S21 Plus

Display

Display quality comparison
Type Dynamic AMOLED
Size 6.7 in
Resolution 1080x2400 pixels
Aspect ratio 20:9
Pixel density 394 ppi
Refresh rate 120 Hz
Adaptive refresh rate Yes (48-120 Hz)
Max brightness 1300 nits
HDR support Yes HDR10+
Screen-to-body ratio 88.7 %
Features - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S21 Plus
879 nits
sRGB gamut98.9 %
PWM (Flicker)240 Hz
Response time6.2 ms
Contrast∞ Infinite

Design & Build

Design and ergonomics comparison
Height 161.5 mm (6.36 in)
Width 75.6 mm (2.98 in)
Thickness 7.8 mm (0.31 in)
Weight 200 g (7.05 oz)
Water resistance IP68
Back panel Glass
Frame Metal
Colors - Black
- Silver
- Gold
- Red
- Purple
Fingerprint sensor Yes In-Display
Screen-to-body ratio
Samsung Galaxy S21 Plus
88.7 %

Performance

Testing Samsung Galaxy S21 Plus In benchmarks
Processor
Chipset Samsung Exynos 2100
Max Frequency 2840 MHz
CPU Cores 8 (1 + 3 + 4)
Architecture - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process Samsung
Transistor Size 5 nm
Neural Processor Yes
Graphics Mali-G78 MP14
GPU Cores 896
GPU Frequency 854 MHz
FLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S21 Plus
1428
Geekbench 6 (Multi-Core)
Samsung Galaxy S21 Plus
3840
Geekbench 6 (Single-Core)1428
Geekbench 6 (Multi-Core)3840
AnTuTu 10
AnTuTu 10
Samsung Galaxy S21 Plus
919348
CPU262973
GPU294382
Memory147307
UX214686
NanoReview Score919348
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S21 Plus
5538
Max Surface Temp.41.5 °C
Stability67 %
Graphics Test33 fps
Graphics Score5538

Memory

RAM
RAM Size 8 GB
Memory Type LPDDR5
Memory Frequency 2750 MHz
Channels 2
Storage
Storage Capacity- 128 GB
- 256 GB
Storage TypeUFS 3.1
Memory CardNo

Software

OS Android 11 (Upgradeable to Android 14)
OS Size 27.2 GB
UI Skin One UI 6

Battery

Volume 4800 mAh
Max Charging Power 25 W
Battery Type Li-ion
Removable No
Wireless Charging Yes (15 W)
Reverse Charging Yes (Wireless)
Fast Charging Yes (54% in 30 min)
Full Charge Time 1:12 h
Battery Life Test
Battery Life
Samsung Galaxy S21 Plus
20:53
Web Browsing07:28 h
Video Playback13:15 h
Games05:04 h
Standby Mode105 h

Main camera

Matrix 12 MP
Photo resolution 4000x3000 pixels
Zoom Optical, 1.1x
Flash Dual LED
Stabilization Optical
8K Recording Up to 24FPS
4K Recording Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps)
Slow Motion 960 fps (720p)
Wide-angle lens 120 °
Lenses count Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix12 MP
Aperturef/1.8
Focal length26 mm
SensorSony IMX555
Sensor size1/1.76
Pixel size1.8 μm
AutofocusPhase autofocus (Dual Pixel)
StabilizationOptical
Telephoto
Matrix64 MP
Aperturef/2.0
Focal length28 mm
SensorSamsung Bright S5KGW2
Sensor size1/1.72
Pixel size0.8 μm
StabilizationOptical
Ultra-wide lens
Matrix12 MP
Aperturef/2.2
Focal length13 mm
SensorSony IMX563
Sensor size1/2.55
Pixel size1.4 μm
StabilizationDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S21 Plus
129
Video quality
Samsung Galaxy S21 Plus
137
Overall camera score
Samsung Galaxy S21 Plus
133
Bokeh70
Preview72
Zoom126

Front camera

Matrix 10 MP
Photo resolution 3872x2592 pixels
Aperture f/2.2
Focal length 26 mm
Sensor Sony IMX374
Sensor size 1/3.24
Pixel size 1.22 μm
Autofocus Phase autofocus (Dual Pixel)
Stabilization Digital
Video resolution 2160p (4K) at 60 fps
TOF 3D sensor No

Connectivity

Wi-Fi version Wi-Fi 6 (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
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
Connectivity
SIM Count*2
SIM TypeNano
SIM ModeDual SIM Standby
eSIM Support *Yes
Hybrid SlotNo
2G BandsGSM 850, 900, 1800, 1900 MHz
3G BandsWCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category24
5G SupportYes

Sound

Speakers Stereo
3.5 mm Jack No
FM Radio No
Dolby Atmos Yes
Speaker Test
Max Volume
Samsung Galaxy S21 Plus
87.8 dB

Other

Class Flagship
Announced January, 2021 yr
Release Date February, 2021 yr
Launch Price ($) 1000
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

User Rating

1 out 5 Points (1 Votes)

Comments (3)

Avatar
MarioApril 19, 2025 pm30 17:19
The max frequency is 2900 MHz, not 2840.
0Reply
Avatar
SerhiiApril 19, 2025 pm30 17:19
This model uses the Exynos chip, which has a different max core frequency.
0Reply
Avatar
MarioApril 19, 2025 pm30 17:19
Serhii, Exactly! The Snapdragon 888 version’s max clock is 2840 MHz, not the Exynos 2100.
0Reply