Samsung Galaxy S21 vs OnePlus 10 Pro

Here we compared two flagship smartphones: the 6.2-inch Samsung Galaxy S21 (with Exynos 2100) that was released on January 14, 2021, against the OnePlus 10 Pro, which is powered by Qualcomm Snapdragon 8 Gen 1 and came out 12 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21
  • Slow-motion recording at 960FPS
  • Delivers 9% higher peak brightness (848 against 775 nits)
  • Weighs 31.5 grams less
  • The front-facing camera can record video at 4K
  • Ready for eSIM technology
Reasons to consider the OnePlus 10 Pro
  • The rear camera has a 3.3x optical zoom
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • 47% better performance in AnTuTu Benchmark (1012K versus 691K)
  • Shows 19% longer battery life (30:23 vs 25:31 hours)
  • Better camera quality (According to DxOMark rating)
  • 25% higher pixel density (525 vs 421 PPI)
  • Newer Bluetooth version (v5.2)
  • Has a 0.5 inch larger screen size
  • More recent OS version: Android 13 versus 12
  • The phone is 1-year newer

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type Dynamic AMOLED AMOLED
Size 6.2 inches 6.7 inches
Resolution 1080 x 2400 pixels 1440 x 3216 pixels
Aspect ratio 20:9 20:9
PPI 421 ppi 525 ppi
Refresh rate 120 Hz 120 Hz
Max rated brightness 800 nits 500 nits
Max rated brightness in HDR - 1300 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus
Screen-to-body ratio 87.2% 90%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 99.5% 98.3%
PWM 240 Hz 342 Hz
Response time 5 ms 11 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
848 nits
775 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 151.7 mm (5.97 inches) 163 mm (6.42 inches)
Width 71.2 mm (2.8 inches) 73.9 mm (2.91 inches)
Thickness 7.9 mm (0.31 inches) 8.6 mm (0.34 inches)
Weight 169 gramm (5.96 oz) 200.5 gramm (7.07 oz)
Waterproof IP68 -
Rear material Plastic Glass
Frame material Metal Metal
Colors White, Gray, Pink, Purple Black, Green
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
87.2%
10 Pro +3%
90%

Performance

Tests of Samsung Galaxy S21 and OnePlus 10 Pro in the benchmarks
SoC
Chipset Samsung Exynos 2100 Qualcomm Snapdragon 8 Gen 1
Max. clock 2900 MHz 3000 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.8 GHz: Cortex-A78
- 1 core at 2.9 GHz: Cortex-X1
- 4 cores at 1.8 GHz: Cortex-A510
- 3 cores at 2.5 GHz: Cortex-A710
- 1 core at 3 GHz: Cortex-X2
L3 cache - 4 MB
Lithography process 5 nanometers 4 nanometers
Graphics Mali-G78 MP14 Adreno 730
GPU clock 760 MHz 818 MHz
FLOPS - ~2236 GFLOPS
Memory
RAM size 8 GB 8, 12 GB
Memory type LPDDR5 LPDDR5
Memory clock 2750 MHz 3200 MHz
Channels 2 4
Storage
Storage size 128, 256 GB 128, 256 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Benchmarks

Geekbench 5 (Single-Core)
1028
967
Geekbench 5 (Multi-Core)
3208
10 Pro +7%
3427
AnTuTu Benchmark 9
691134
10 Pro +47%
1012979
CPU 190831 239647
GPU 245573 439833
Memory 124639 164894
UX 130708 174030
Total score 691134 1012979
3DMark Wild Life Performance
5647
10 Pro +69%
9568
Stability 66% 64%
Graphics test 33 FPS 57 FPS
Graphics score 5647 9568
PCMark 3.0 score 13854 11624
Sources: 3DMark [3], [4]

Software

Operating system Android 11 (Can be upgraded to Android 12) Android 12.1 (Can be upgraded to Android 13)
ROM One UI 4.1 ColorOS 13
OS size 28.1 GB 32 GB

Battery

Specifications
Capacity 4000 mAh 5000 mAh
Charge power 25 W 80 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Fast charging Yes (55% in 50 min) Yes (98% in 30 min)
Full charging time 1:35 hr 0:32 hr
Battery life tests
Web browsing 07:17 hr 10:13 hr
Watching video 12:26 hr 13:54 hr
Gaming 04:20 hr 05:09 hr
Standby 92 hr 100 hr
General battery life
25:31 hr
10 Pro +19%
30:23 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 48 megapixels
Image resolution 4000 x 3000 8000 x 6000
Zoom Optical, 1.1x Optical, 3.3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 30FPS
4K video recording Up to 60FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 240 FPS (1080p)
Angle of widest lens 120° 150°
Lenses 3 (12 MP + 64 MP + 12 MP) 3 (48 MP + 8 MP + 50 MP)
Wide (main) lens - 12 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 1.8 micron
- Sensor: 1/1.76", Sony IMX555 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 48 MP
- Aperture: f/1.8
- Focal length: 23 mm
- Pixel size: 1.12 micron
- Sensor: 1/1.43", Sony IMX789 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Telephoto lens - 64 MP
- Aperture: f/2.0
- Focal length: 28 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Samsung Bright S5KGW2 (ISOCELL Plus CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 8 MP
- Aperture: f/2.4
- Focal length: 77 mm
- Pixel size: 1 micron
- Sensor: 1/4.4", Omnivision OV08A10 (CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- 50 MP
- Aperture: f/2.2
- Focal length: 14 mm
- Pixel size: 0.64 micron
- Sensor: 1/2.76", Samsung S5KJN1 (ISOCELL Plus CMOS)
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Samsung Galaxy S21 from DxOMark Photo samples of OnePlus 10 Pro from DxOMark
Selfie camera
Megapixels 10 megapixels 32 megapixels
Image resolution 3872 x 2592 6528 x 4896
Aperture f/2.2 f/2.2
Focal length 26 mm -
Pixel size 1.22 microns 0.8 microns
Sensor type CMOS CMOS
Sensor size 1/3.24" 1/2.74"
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
10 Pro +7%
132
Video quality
10 Pro +18%
110
Generic camera score
10 Pro +9%
127

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (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
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.2
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.2 3.1
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes No
Hybrid slot No No
LTE Cat* 24 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
87 dB
10 Pro +1%
88.1 dB

Other

Category Flagship Flagship
Announced January 2021 January 2022
Release date February 2021 January 2022
SAR (head) 0.46 W/kg -
SAR (body) 1.51 W/kg -
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, performance, battery life, and design are more important to you, then choose the OnePlus 10 Pro. But if the connectivity is more of a priority – go for the Samsung Galaxy S21.

Cast your vote

So, which phone would you choose?
6 (35.3%)
11 (64.7%)
Total votes: 17

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