Samsung Galaxy S21 Plus 256GB 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 View Details
Rear Camera 12 MP + 64 MP + 12 MP
Front Camera 10 MP
Battery 4800 mAh
Display 6.7 inches (17.02 cm)

General
Operating System Android v11
Custom UI Samsung One UI

Performance

(Very Good)
Chipset Samsung Exynos 2100 View Details
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
OPPO Find X9 3,568,720 
OnePlus Nord 6 2,366,913 
Motorola Edge 70 Pro 5G 2,194,258 
realme 16 Pro Harry Potter Edition 983,589 
vivo S2 5G 956,029 
Xiaomi Redmi Note 17 Pro 5G 949,300 
Samsung Galaxy S21 Plus 256GB 626,954 
*Group: 36-66k Phones
See comparison with other phones
Bootup Time
The lower, the better
Google Pixel 10A 8 s
OnePlus Nord 6 14 s
Motorola Edge 70 Pro 5G 17 s
vivo S2 5G 23 s
Xiaomi Redmi Note 17 Pro 5G 24 s
realme 16 Pro Harry Potter Edition 31 s
Samsung Galaxy S21 Plus 256GB 34 s
*Group: 36-66k 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
vivo T5 Pro 4 %
OnePlus Nord 6 4 %
iQOO 12 5G 4 %
Motorola Edge 70 Pro 5G 7 %
Samsung Galaxy S25 FE 8 %
Samsung Galaxy S21 Plus 256GB 8 %
Google Pixel 8 13 %
*Group: 36-66k Phones
See comparison with other phones
Heating*
The lower, the better
Samsung Galaxy S23 FE 2.5 %
vivo T5 Pro 16.7 %
Motorola Edge 70 Pro 5G 20.6 %
Samsung Galaxy S25 FE 20.8 %
OnePlus Nord 6 27.4 %
Samsung Galaxy S21 Plus 256GB 36.2 %
iQOO 12 5G 48.0 %
*Group: 36-66k 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
CameraMPApertureLens FeaturesFocal LengthSensor SizePixel SizeZoom
Primary12 MPf/1.8Wide Angle26 mm1/1.7" 1.8µm
Secondary64 MPf/2.0Telephoto28 mm 1/1.7" 0.8µmupto 30x Digital Zoom, upto 1.1x Optical Zoom
Tertiary12 MPf/2.2Ultra-Wide Angle13 mm1/2.55" 1.4µm
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 7680x4320 @ 24 fps
3840x2160 @ 30 fps
1920x1080 @ 60 fps
1280x720 @ 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 256GB Compare Camera Samples

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Samsung Galaxy S21 Plus 256GB 12 MP
VS
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Samsung Galaxy S22 50 MP
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22
Samsung Galaxy S21 Plus 256GB
Samsung Galaxy S22

Front Camera

(Very Good)
Resolution
CameraMPApertureLens FeaturesFocal LengthSensor SizePixel Size
Primary10 MPf/2.2Wide Angle26 mm1/3.2"1.22µm
Autofocus Yes, Phase Detection Autofocus, Dual Pixel Autofocus
Video Recording 3840x2160 @ 30 fps
1920x1080 @ 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
Xiaomi Redmi Note 17 Pro Max 5G 24.0 hrs
Xiaomi Redmi Note 17 Pro 5G 21.9 hrs
OnePlus Nord 6 20.8 hrs
vivo S2 5G 15.0 hrs
realme 16 Pro Harry Potter Edition 14.3 hrs
Samsung Galaxy S21 Plus 256GB 9.6 hrs
Honor 200 Pro 9.5 hrs
*Group: 36-66k Phones
See comparison with other phones
Charging Time (20% to 100%)
The lower, the better
Motorola Edge 50 Ultra 0.3 hrs
realme 16 Pro Harry Potter Edition 0.8 hrs
Samsung Galaxy S21 Plus 256GB 1.0 hrs
vivo S2 5G 1.1 hrs
OnePlus Nord 6 1.1 hrs
Xiaomi Redmi Note 17 Pro 5G 1.6 hrs
Samsung Galaxy A37 5G 1.9 hrs
*Group: 36-66k 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 256GB› Samsung Galaxy S21 Plus 256GB Specifications
Updated on: September 29, 2026