Samsung Galaxy S21
Samsung Galaxy S21
3.9Average expert rating
Release date February 2021
About Product
Key Advantages
Bigger battery capacity: 4000 mAh
More RAM memory capacity: 8GB
Higher AnTuTu benchmark score: 903780
Lighter: 171 g (6.03 ounces)
Narrower: 71.2 mm (2.8 inches)
Shorter: 151.7 mm (5.97 inches)
Benchmarks
AnTuTu Score
Samsung Galaxy S21
903,780
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
CPU
Samsung Galaxy S21
253,391
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Samsung Galaxy S21
281,676
Measures the graphical performance of a device's GPU, evaluating its ability to handle graphics-intensive tasks such as gaming and rendering.
Memory
Samsung Galaxy S21
158,352
Measures the performance of a device's memory (RAM), measuring its speed and efficiency in handling multitasking and data-intensive applications.
UX
Samsung Galaxy S21
210,361
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
3DMark Wild Life benchmark
Samsung Galaxy S21
5,490
Is a cross-platform benchmark designed to test the graphical performance of devices under high GPU load.
3DMark Wild Life Unlimited benchmark
Samsung Galaxy S21
5,760
Is a cross-platform graphical benchmark that tests a device's performance while eliminating the impact of screen resolution for more objective platform comparisons.
3DMark Wild Life Extreme benchmark
Samsung Galaxy S21
1,800
Is a cross-platform graphical benchmark that tests a device's performance under higher workloads with more detailed visuals, designed for powerful GPUs.
Geekbench 6 · Multi-Core
Samsung Galaxy S21
3,339
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Samsung Galaxy S21
1,334
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Geekbench 5 · Multi-Core
Samsung Galaxy S21
3,715
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing in Geekbench 5.
Geekbench 5 · Single-Core
Samsung Galaxy S21
1,093
Measures the performance of a single processor core in a device, evaluating its efficiency in handling single-threaded tasks in Geekbench 5.
Expert Score 3.9
TechRadar
IGN
Tom's Guide
Tech Advisor
PCMag
The Verge
Smartprix
Popular Samsung Galaxy S21 comparisons
Samsung Galaxy S21 vs Samsung Galaxy S22
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Samsung Galaxy S21 vs Samsung Galaxy S21 FE 5G
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Samsung Galaxy S21 vs Samsung Galaxy S23
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Samsung Galaxy S21 vs Samsung Galaxy S24
See comparisonInterest Over the Last 12 months
Sep 2023
77
Oct 2023
75
Nov 2023
83
Dec 2023
70
Jan 2024
61
Feb 2024
48
Mar 2024
43
Apr 2024
41
May 2024
41
Jun 2024
40
Jul 2024
42
Aug 2024
44
Sep 2024
43
Data source: Google Trends
Overview Samsung Galaxy S21
The Samsung Galaxy S21 is a sleek, high-performance smartphone designed to meet modern needs. It features a 6.2-inch Dynamic AMOLED 2X display with a 120Hz refresh rate, providing stunning visuals and smooth scrolling, perfect for gaming and streaming. Powered by the Snapdragon 888 (or Exynos 2100, depending on region) and up to 8GB of RAM, it delivers fast, efficient multitasking and performance.
The 64MP triple-camera system captures high-quality photos and 8K video, while advanced AI enhances shots in various lighting conditions. With 5G connectivity, a 4000mAh battery supporting fast and wireless charging, and a sleek, durable design, the Galaxy S21 offers premium features in a compact package.
Technical Specifications
Design
Weight
171 g (6.03 ounces)
Thickness
7.9 mm (0.31 inches)
Width
71.2 mm (2.8 inches)
Height
151.7 mm (5.97 inches)
Is weather-sealed (splashproof)
✔
Ingress Protection (IP) rating
IP68
Waterproof depth rating
1.5 m
Volume
85.33 cm³
Is dustproof and water-resistant
✔
Color options
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
French Repairability Index
1
Display
Screen size
6.2"
Display type
OLED/AMOLED
Pixel density
421 ppi
Resolution
1080 x 2400 px
Refresh rate
120Hz
Touch sampling rate
240Hz
Brightness (typical)
1300 nits
Has branded damage-resistant glass
✔
Gorilla Glass version
Gorilla Glass Victus
Supports HDR10
✔
Supports HDR10+
✔
Always-On Display
✔
Contrast ratio
3000000:1
Has a touch screen
✔
Performance
Internal storage
128GB, 256GB
RAM
8GB
Android version
Android 11
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
Has integrated LTE
✔
RAM speed
3200 MHz
Semiconductor size
5 nm
Supports 64-bit
✔
DirectX version
DirectX 12
Has integrated graphics
✔
OpenGL ES version
3.2
Uses big.LITTLE technology
✔
CPU threads
8 threads
Uses HMP
✔
Has TrustZone
✔
Maximum memory bandwidth
51.2 GB/s
OpenCL version
2
DDR memory version
5
Maximum memory amount
16GB
Thermal Design Power (TDP)
9W
Release date
2021
Has NX bit
✔
Memory channels
4
GPU turbo
854 MHz
Cameras
Main camera
64 MP & 12 MP & 12 MP
Front camera
10MP
Has built-in optical image stabilization
✔
Video recording (main camera)
4320 x 24 fps
Wide aperture (main camera)
f/1.8 & f/2 & f/2.2
Has a dual-tone LED flash
✔
Has a BSI sensor
✔
Has continuous autofocus when recording movies
✔
Has phase-detection autofocus for photos
✔
Supports slow-motion video recording
✔
Has a built-in HDR mode
✔
Has a flash
✔
Has manual exposure
✔
Has a dual-lens (or multi-lens) main camera
✔
Optical zoom
1.1x
Number of flash LEDs
2
Has a CMOS sensor
✔
Has manual ISO
✔
Has a serial shot mode
✔
Has manual focus
✔
Has a front camera
✔
Has manual white balance
✔
Shoots raw
✔
Has touch autofocus
✔
Has manual shutter speed
✔
Can create panoramas in-camera
✔
Wide aperture (front camera)
f/2.2
Has timelapse function
✔
Pixel size (main camera)
1.8 µm & 0.8 µm & 1.4 µm
Operating system
Has location privacy options
✔
Has camera/microphone privacy options
✔
Has theme customization
✔
Has dark mode
✔
Has Wi-Fi password sharing
✔
Has focus modes
✔
Has customizable notifications
✔
Supports split screen
✔
Supports instant markup
✔
Supports PiP and PaP
✔
Can be used as a PC
✔
Has sharing intents
✔
Has a child lock
✔
Is free and open source
✔
Tracks the current position of a mobile device
✔
Is a multi-user system
✔
Has voice commands
✔
The browser has word wrap
✔
Supports widgets
✔
More languages supported
125
Has offline voice recognition
✔
Battery
Battery power
4000 mAh
Has wireless charging
✔
Supports fast charging
✔
Charging speed
25W
Wireless charging speed
15W
Has reverse wireless charging
✔
Reverse wireless charging speed
4.5W
Has a battery level indicator
✔
Has a rechargeable battery
✔
Audio
Has stereo speakers
✔
Number of microphones
2
Features
Has 5G support
✔
Wi-Fi version
Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
3000 MBits/s
Upload speed
422 MBits/s
Has USB Type-C
✔
USB version
3.2
Has NFC
✔
SIM cards
1 SIM, 1 eSIM
Has a fingerprint scanner
✔
Bluetooth version
5.1
Has a gyroscope
✔
Has GPS
✔
Has a compass
✔
Supports Wi-Fi
✔
Has a cellular module
✔
Has a barometer
✔
Supports Galileo
✔
Has an accelerometer
✔
Supports ant+
✔
