Samsung Galaxy S21 Plus Specifications

Key Specs General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs
RAM & Storage 8 GB RAM + 128 GB
8 GB RAM + 256 GB
Processor Samsung Exynos 2100
Rear Camera 12 MP + 64 MP + 12 MP
Front Camera 10 MP
Battery 4800 mAh
Display 6.7 inches (17.02 cm)

General
Launch Date January 29, 2021 (Official)
Operating System Android v11
Custom UI Samsung One UI

Performance

(Very Good)
Chipset Samsung Exynos 2100
Processor Octa core (2.9 GHz, Single core, Cortex X1 + 2.8 GHz, Tri core, Cortex A78 + 2.2 GHz, Quad core, Cortex A55)
Architecture 64 bit
Fabrication 5 nm
Graphics (GPU) Mali-G78 MP14
RAM 8 GB
RAM Type LPDDR5
Performance Test Results icon View AnTuTu Score
AnTuTu Score 626,954
Bootup Time 34.0 s
Speed Test (Antutu Score)
The higher, the better
realme GT 8 Pro 3,932,397 
vivo X300 FE 3,000,897 
Apple iPhone 17 2,250,422 
Xiaomi 17T 2,136,906 
vivo V70 1,437,195 
Samsung Galaxy A57 5G 1,392,494 
Samsung Galaxy S21 Plus 626,954 
*Group: 45-83k Phones
See comparison with other phones
Bootup Time
The lower, the better
Google Pixel 10A 8 s
vivo X300 FE 14 s
Apple iPhone 17 16 s
Xiaomi 17T 18 s
Samsung Galaxy A57 5G 21 s
vivo V70 22 s
Samsung Galaxy S21 Plus 34 s
*Group: 45-83k Phones
See comparison with other phones
Gaming Test Results icon
Battery Drain* 8.0 %
Heating* 36.2 %
* after 30 mins of gaming
Battery Drain*
The lower, the better
iQOO 12 5G 4 %
vivo X300 FE 5 %
vivo V70 6 %
Samsung Galaxy A57 5G 6 %
Apple iPhone 17 7 %
Samsung Galaxy S21 Plus 8 %
Samsung Galaxy S25 10 %
*Group: 45-83k Phones
See comparison with other phones
Heating*
The lower, the better
Samsung Galaxy S23 FE 2.5 %
Apple iPhone 17 10.5 %
Samsung Galaxy A57 5G 13.0 %
vivo V70 13.6 %
vivo X300 FE 17.4 %
Samsung Galaxy S21 Plus 36.2 %
iQOO 12 5G 48.0 %
*Group: 45-83k Phones
See comparison with other phones
Benchmark Screenshots
Benchmarks
AnTuTu Benchmark
Benchmarks
Graphics Benchmark
Benchmarks
GeekBench5 Benchmark
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Display

(Excellent)
Display Type Dynamic AMOLED 2x
Screen Size 6.7 inches (17.02 cm)
Resolution 1080x2400 px (FHD+)
Brightness 1300 nits
Refresh Rate 120 Hz
Aspect Ratio 20:9
Pixel Density 393 ppi
Screen to Body Ratio (calculated) 88.77 %
Screen Protection Corning Gorilla Glass, Glass Victus
Bezel-less Display Yes with punch-hole display
HDR 10 / HDR+ Support Yes, HDR 10+
UI Screenshots
UI Screenshot
Lock Screen
UI Screenshot
Home Screen
UI Screenshot
Screen With Widgets
UI Screenshot
Dialer Screen
UI Screenshot
App Drawer
UI Screenshot
Notification Panel
UI Screenshot
Quick Settings Panel
UI Screenshot
Settings Screen
UI Screenshot
OS Version
UI Screenshot
Storage
UI Screenshot
Battery
UI Screenshot
Camera On
UI Screenshot
Camera Options
UI Screenshot
Camera Modes
UI Screenshot
Camera Settings
UI Screenshot
Picture Size Options
UI Screenshot
Video Size Options

Design
Height 161.5 mm
Width 75.6 mm
Thickness 7.8 mm
Weight 200 grams
Build Material Back: Gorilla Glass Victus
Water Resistance Yes, Water resistant, IP68, (up to 30 minutes in a depth of 1.5 meter)
Ruggedness Dust proof
Click to View Click to View

Rear Camera

(Very Good)
Resolution
CameraMPLens FeaturesApertureSensor SizePixel SizeZoomFocal Length
Primary12 MPWide Anglef/1.81/1.7" 1.8µm26 mm
Secondary64 MPTelephotof/2.01/1.7" 0.8µmupto 30x Digital Zoom, upto 1.1x Optical Zoom28 mm
Tertiary12 MPUltra-Wide Anglef/2.21/2.55" 1.4µm13 mm
Autofocus Yes, Phase Detection Autofocus, Dual Pixel Autofocus
OIS Yes
Flash Yes, LED Flash
Image Resolution 4000 x 3000 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features Digital Zoom
Auto Flash
Face detection
Touch to focus
Video Recording 8k @24 fps
4k @30 fps
Full HD @60 fps
HD @960 fps
Video Recording Features Slow Motion
Bokeh portrait video
Video Pro Mode
Stereo recording
Rear Camera Samples
Rear Camera
Wide Angle
Rear Camera
Portrait Shot
Rear Camera
Night Mode OFF
Rear Camera
Night Mode ON
Rear Camera
Close Up
Rear Camera
Low Light
Rear Camera
Low Light With Flash
Rear Camera
Colour Variance
Rear Camera
Daylight Auto / HDR OFF
Rear Camera
Daylight / HDR ON
Rear Camera
AI OFF
Rear Camera
AI ON
Rear Camera
Macro

Samsung Galaxy S21 Plus Compare Camera Samples

camera-sample-1
Samsung Galaxy S21 Plus 12 MP
VS
camera-sample-2
Samsung Galaxy S20 Plus 12 MP
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus
Samsung Galaxy S21 Plus
Samsung Galaxy S20 Plus

Front Camera

(Very Good)
Resolution
CameraMPLens FeaturesApertureSensor SizePixel SizeFocal Length
Primary10 MPWide Anglef/2.21/3.2"1.22µm26 mm
Autofocus Yes, Phase Detection Autofocus, Dual Pixel Autofocus
Video Recording 4k @30 fps
Full HD @30 fps
Front Camera Samples
Front Camera
Selfie
Front Camera
Selfie Portrait
Front Camera
Selfie Low Light
Front Camera
Selfie Low Light With Flash

Battery

(Very Good)
Capacity 4800 mAh
Battery Type Li-ion
TalkTime Up to 40 Hours(4G)
Quick Charging Yes, 25W Fast Charging
Wireless Charging Yes
Battery Test Results icon
Battery Life (PC Mark) 9h 38m
Charging Time (20% to 100%) 1h 1m 51s
Battery Life (PC Mark)
The higher, the better
realme 16 Pro Plus 19 hrs
vivo X300 FE 16.1 hrs
vivo V70 15.6 hrs
Xiaomi 17T 14 hrs
Samsung Galaxy A57 5G 11.6 hrs
Samsung Galaxy S21 Plus 9.6 hrs
OPPO Reno14 Pro 9.5 hrs
*Group: 45-83k Phones
See comparison with other phones
Charging Time (20% to 100%)
The lower, the better
iQOO 13 5G 0.4 hrs
vivo V70 0.7 hrs
vivo X300 FE 0.7 hrs
Samsung Galaxy S21 Plus 1.0 hrs
Samsung Galaxy A57 5G 1.1 hrs
Xiaomi 17T 1.2 hrs
Google Pixel 8 Pro 1.6 hrs
*Group: 45-83k Phones
See comparison with other phones

Storage
Internal Storage 128 GB / 256 GB
Storage Type UFS 3.1
Expandable Storage No

Network & Connectivity
SIM Slot(s) Dual SIM
SIM Type SIM1: Nano, SIM2: Nano
Network Support 5G, 4G
VoLTE Yes
SIM 1 5G bands, 4G bands
Expand
Bands Features
5G bandsFDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
SIM 2 4G bands
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
SAR Value Head: 0.65 W/kg, Body: 0.95 W/kg
Wi-Fi Yes, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz, MIMO
Wi-Fi Features Wi-Fi Direct, Mobile Hotspot
Bluetooth Yes, v5.0
GPS Yes with A-GPS, Glonass
NFC Yes

Multimedia
Stereo Speakers Yes
Audio Jack USB Type-C

Sensors
Fingerprint Sensor Yes
Fingerprint Sensor Position On-screen
Fingerprint Sensor Type Ultrasonic
Other Sensors Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Mobiles› Samsung Galaxy S21 Plus› Samsung Galaxy S21 Plus Specifications
Updated on: June 15, 2026