Samsung Galaxy S21 Plus vs S10 Plus

Here we compared two flagship smartphones: the 6.7-inch Samsung Galaxy S21 Plus (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy S10 Plus, which is powered by Exynos 9 Octa 9820 and came out 23 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21 Plus
  • Higher display refresh rate – 120 Hz
  • Shows 28% longer battery life (30:26 vs 23:44 hours)
  • Comes with 700 mAh larger battery capacity: 4800 vs 4100 mAh
  • 46% better performance in AnTuTu Benchmark (736K versus 505K)
  • Better camera quality (According to DxOMark rating)
  • Has a 0.3 inch larger screen size
  • Uses a faster type of memory: LPDDR5 2750 MHz
  • Delivers 12% higher peak brightness (890 against 794 nits)
  • More recent OS version: Android 13 versus 12
  • The phone is 1-year and 11-months newer
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy S10 Plus
  • The rear camera has a 2x optical zoom
  • 32% higher pixel density (522 vs 394 PPI)
  • Expandable storage via MicroSD card up to 512GB
  • Weighs 25 grams less
  • Includes a 3.5 mm headphone audio jack port
We may receive a commission from Amazon for purchases made using the links below, but this has no bearing on our assessment methodology.

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

Display

Type Dynamic AMOLED Super AMOLED
Size 6.7 inches 6.4 inches
Resolution 1080 x 2400 pixels 1440 x 3040 pixels
Aspect ratio 20:9 19:9
PPI 394 ppi 522 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 1300 nits 1200 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Corning Gorilla Glass 6
Screen-to-body ratio 88.3% 87.5%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 98.9% 96.5%
PWM 240 Hz 235 Hz
Response time 6.2 ms 4.8 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
890 nits
794 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161.5 mm (6.36 inches) 157.6 mm (6.2 inches)
Width 75.6 mm (2.98 inches) 74.1 mm (2.92 inches)
Thickness 7.8 mm (0.31 inches) 7.8 mm (0.31 inches)
Weight 200 g (7.05 oz) 175 g (6.17 oz)
Waterproof IP68 IP68
Advanced cooling - Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Gold, Red, Purple Black, Blue, Green, Red
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S21 Plus and Samsung Galaxy S10 Plus in the benchmarks
SoC
Chipset Samsung Exynos 2100 Samsung Exynos 9 Octa 9820
Max clock 2840 MHz 2730 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 2 + 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 1.9 GHz: Cortex-A55
- 2 cores at 2.3 GHz: Cortex-A75
- 2 cores at 2.7 GHz: Mongoose
L3 cache - 2 MB
Lithography process 5 nanometers 8 nanometers
Graphics Mali-G78 MP14 Mali G76 MP12
GPU clock 760 MHz 720 MHz
FLOPS - ~652 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
736140
CPU 189103 127140
GPU 274155 187567
Memory 137436 83750
UX 131951 104462
Total score 736140 505014
3DMark Wild Life Performance
Max surface temperature 41.5 °C 42.5 °C
Stability 67% 82%
Graphics test 33 FPS 19 FPS
Graphics score 5538 3223
PCMark 3.0
Web score - 6490
Video editing - 5808
Photo editing - 18882
Data manipulation - 6909
Writing score - 9725
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 8 GB 8, 12 GB
Memory type LPDDR5 LPDDR4X
Memory clock 2750 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128, 256 GB 128, 1024 GB
Storage type UFS 3.1 UFS 2.1
Memory card No MicroSD
Memory card max size - Up to 512 GB

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 9.0 (Can be upgraded to Android 12)
ROM One UI 5.0 One UI 4.0
OS size 27.2 GB 46.5 GB

Battery

Specifications
Capacity 4800 mAh 4100 mAh
Charge power 25 W 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) Yes, Qi/PMA (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Fast charging Yes (54% in 30 min) Yes, Samsung Adaptive Fast Charge (50% in 30 min)
Full charging time 1:12 hr 1:40 hr
Battery life tests
Web browsing 09:17 hr 07:07 hr
Watching video 15:27 hr 12:01 hr
Gaming 05:07 hr 03:51 hr
Standby 101 hr 80 hr
General battery life
30:26 hr
23:44 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 12 megapixels
Image resolution 4000 x 3000 4000 x 3000
Zoom Optical, 1.1x Optical, 2x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 240FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 120° 123°
Lenses 3 (12 MP + 64 MP + 12 MP) 3 (12 MP + 12 MP + 16 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
- 12 MP
- Aperture: f/1.5 - 2.4
- Focal length: 26 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Samsung SAK2L4 (ISOCELL CMOS)
- Phase autofocus
- 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
- 12 MP
- Aperture: f/2.4
- Focal length: 52 mm
- Pixel size: 1 micron
- Sensor: 1/3.6", Samsung S5K3M3 (ISOCELL 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)
- 16 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Pixel size: 1 micron
- Phase autofocus
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Samsung Galaxy S21 Plus from DxOMark Photo samples of Samsung Galaxy S10 Plus from DxOMark
Selfie camera
Megapixels 10 megapixels 10 megapixels
Image resolution 3872 x 2592 4320 x 2432
Aperture f/2.2 f/1.9
Focal length 26 mm 26 mm
Pixel size 1.22 microns 1.22 microns
Sensor type Exmor-RS CMOS CMOS
Sensor size 1/3.24" 1/2.65"
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 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
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP
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 Yes
LTE Cat* 24 20
5G support Yes No

Sound

Speakers Stereo Stereo
Headphone audio jack No Yes
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness

Other

Category Flagship Flagship
Announced January 2021 February 2019
Release date February 2021 March 2019
SAR (head) 0.54 W/kg 0.516 W/kg
SAR (body) 1.33 W/kg 1.582 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- 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

After analyzing all the data, we think that the Samsung Galaxy S21 Plus is definitely a better buy.

Cast your vote

So, which phone would you choose?
173 (32.2%)
365 (67.8%)
Total votes: 538

User opinions

You can share your opinion or ask a question in the comments below
Avatar
Jon 20 January 2022 08:18
24 months is usually enough to safely upgrade and get better, especially when 24 months is usually the time you are already paid the previous model. In this case, S21 ultra is more likely to beat S10+ than S21+. Both S21+ & S10+ are still awesome phones. Just remember that there's no headphone jack in S21+ or SD-Card slot. Shooting 4K video will use a lot of space and 128GB isn't tbh enough, so we are forced to pick up the 256GB model which is slightly expensive. Pros are that it's faster than the 128GB model with SD-Card.
+8 Reply
Avatar
Randy 27 May 2021 13:00
Will the s22 have a curved screen? I see that the s20 n s21 do not...
+37 Reply
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