Xiaomi Redmi Note 10S vs Samsung Galaxy A51

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Xiaomi Redmi Note 10S vs Samsung Galaxy A51

Here we compared two mid-range smartphones: the 6.43-inch Xiaomi Redmi Note 10S (with MediaTek Helio G95) that was released on March 4, 2021, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 15 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 Xiaomi Redmi Note 10S
  • Water-resistant body (IP53 classification)
  • 67% better performance in AnTuTu Benchmark (412K versus 246K)
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Stereo speakers
  • Delivers 10% higher peak brightness (700 against 638 nits)
  • Supports higher wattage charging (33W versus 15W)
  • The phone is 1-year and 3-months newer
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A51
  • More energy-efficient CPU – Exynos 9 Octa 9611
  • Supports Dolby Atmos sound technology
  • The front-facing camera can record video at 4K

Review

Evaluation of Xiaomi Redmi Note 10S and Samsung Galaxy A51 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk ( * ) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation

Value for money

Tests and specifications

Comparison table of technical specifications and tests

Display

Type AMOLED Super AMOLED
Size 6.43 inches 6.5 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 409 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 450 nits 400 nits
Max rated brightness in HDR 1100 nits -
HDR support Yes, HDR10 No
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Screen-to-body ratio 83.5% 87.4%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- Always-On Display
Display tests
RGB color space 91.6% 98.8%
PWM 250 Hz 242 Hz
Response time 4.4 ms 25 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
700 nits
638 nits

Design and build

Height 160.5 mm (6.32 inches) 158.5 mm (6.24 inches)
Width 74.5 mm (2.93 inches) 73.6 mm (2.9 inches)
Thickness 8.3 mm (0.33 inches) 7.9 mm (0.31 inches)
Weight 178.8 g (6.31 oz) 172 g (6.07 oz)
Waterproof IP53 No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Gray, Blue White, Black
Fingerprint scanner Yes, in-button Yes, in-display
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi Note 10S and Samsung Galaxy A51 in the benchmarks
SoC
Chipset MediaTek Helio G95 Samsung Exynos 9 Octa 9611
Max clock 2050 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.05 GHz: Cortex-A76
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
Lithography process 12 nanometers 10 nanometers
Graphics Mali-G76 MP4 Mali-G72 MP3
GPU shading units 144 54
GPU clock 900 MHz 850 MHz
FLOPS ~259.2 GFLOPS ~91.8 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
CPU 116163 69792
GPU 104666 55670
Memory 88603 60677
UX 101936 59872
Total score 412654 246594
3DMark Wild Life Performance
Max surface temperature 41.2 °C 42.2 °C
Stability - 95%
Graphics test - 4 FPS
Graphics score - 812

Memory

RAM
RAM size 6, 8 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 64, 128 GB
Storage type UFS 2.2 UFS 2.0
Memory card MicroSD MicroSD
Memory card max size Up to 512 GB Up to 512 GB

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 10 (Can be upgraded to Android 13)
ROM MIUI 14 One UI 5.0
OS size 18 GB 23 GB

Battery

Capacity 5000 mAh 4000 mAh
Max charge power 33 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging Yes No
Fast charging Yes (50% in 35 min) Yes (40% in 35 min)
Full charging time 1:09 hr 1:50 hr
Battery life tests
Web browsing - 09:34 hr
Watching video - 11:29 hr
Gaming - 05:12 hr
Standby - 83 hr
General battery life

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 48 megapixels
Image resolution 9216 x 6912 8000 x 6000
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 118° 120°
Lenses 4 (64 MP + 8 MP + 2 MP + 2 MP) 4 (48 MP + 12 MP + 5 MP + 5 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.97", OmniVision OV64B (PureCel)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.14 micron
- Sensor: 1/4", Sony IMX355 (Exmor-RS CMOS)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
Macro lens - 2 MP
- Aperture: f/2.4
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
- 5 MP
- Aperture: f/2.4
- Focal length: 40 mm
- Pixel size: 1.12 micron
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Samples Photo samples of Xiaomi Redmi Note 10S from DxOMark -
Selfie camera
Megapixels 13 megapixels 32 megapixels
Image resolution 4290 x 2800 6560 x 4928
Aperture f/2.5 f/2.2
Focal length - 26 mm
Pixel size 1.12 microns 0.8 microns
Sensor type PureCel ISOCELL CMOS
Sensor size 1/3.06" 1/2.8"
Video resolution 1080p (Full HD) at 30 FPS 2160p (4K) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, HID, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, NAVIC GPS, GLONASS, Beidou, Galileo
NFC * Yes Yes
Infrared port Yes No
Network
Number of SIM * 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support * No No
Hybrid slot No No
LTE Cat * 12 12
5G support No No

Sound

Speakers Stereo Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No Yes
Speakers test
Max loudness
88.9 dB
81.7 dB

Other

Category Mid-range Mid-range
Announced March 2021 December 2019
Release date April 2021 December 2019
SAR (head) - 0.596 W/kg
SAR (body) - 1.45 W/kg
Sensors - 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

After analyzing all the data, we think that the Xiaomi Redmi Note 10S is definitely a better buy.

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