Xiaomi Redmi Note 10 vs Samsung Galaxy M21

Compared 2 smartphones : Xiaomi Redmi Note 10 Manufactured in March, 2021, with display 6.43 with chipsetQualcomm Snapdragon 678, vs Samsung Galaxy M21, Manufactured in March, 2020 with chipsetSamsung Exynos 7 Octa 9611. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 10
  • Larger display: 6.43in
  • Higher pixel density: 406ppi
  • Lighter design: 178.8g vs 188g
  • Infrared port
Reasons to choose Samsung Galaxy M21
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 4/64 GB
- 6/128 GB

Review

Key Specs Xiaomi Redmi Note 10 and Samsung Galaxy M21
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.43 in 6.4 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 406 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 450 nits 630 nits
HDR support Yes HDR10 No
Screen-to-body ratio 83.4 % 84.2 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi Note 10
675 nits
Samsung Galaxy M21
608 nits
sRGB gamut89.1 %141.3 %
PWM (Flicker)250 Hz215 Hz
Response time4 ms9 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 160.5 mm (6.32 in) 159 mm (6.26 in)
Width 74.5 mm (2.93 in) 75.1 mm (2.96 in)
Thickness 8.3 mm (0.33 in) 8.9 mm (0.35 in)
Weight 178.8 g (6.31 oz) 188 g (6.63 oz)
Water resistance IP53 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Green
- Black
- Blue
- Green
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Xiaomi Redmi Note 10
83.4 %
Samsung Galaxy M21
84.2 %

Performance

Testing Xiaomi Redmi Note 10 and Samsung Galaxy M21 In benchmarks
Processor
Chipset Qualcomm Snapdragon 678 Samsung Exynos 7 Octa 9611
Max Frequency 2200 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.7 (Kryo 460 Silver (Cortex-A55))
- 2/2.2 (Kryo 460 Gold (Cortex-A76))
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 11 nm 10 nm
Neural Processor Hexagon 685 Yes
Graphics Adreno 612 Mali-G72 MP3
GPU Cores 192 54
GPU Frequency 845 MHz 850 MHz
FLOPS 324.4 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 10
653
Samsung Galaxy M21
514
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 10
1771
Samsung Galaxy M21
1558
Geekbench 6 (Single-Core)653514
Geekbench 6 (Multi-Core)17711558
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 10
337821
Samsung Galaxy M21
266455
CPU13160776468
GPU5521545756
Memory6381370269
UX8718673962
NanoReview Score337821266455
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 10
481
Samsung Galaxy M21
816
Max Surface Temp.42.9 °C44.1 °C
Stability99 %73 %
Graphics Test2 fps4 fps
Graphics Score481816
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 10
7649
Samsung Galaxy M21
n/a
Writing score9856n/a
Web score5741n/a
Video editing5358n/a
Data manipulation6079n/a
NanoReview Score7649n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 11 (Upgradeable to Android 12) Android 10.0 (Upgradeable to Android 12.0)
OS Size 20 GB 14.5 GB
UI Skin MIUI 14 One Ui 4.1

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 33 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (65% in 30 min) Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 1:14 h 2:35 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 10
25:17
Samsung Galaxy M21
24:03
Web Browsing08:29 h10:07 h
Video Playback14:19 h13:59 h
Games05:16 h05:35 h
Standby Mode142 h115 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8000x6000 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) 240 fps (720p)
Wide-angle lens 118 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorSony IMX582Samsung S5KGM2
Sensor size1/21/2.0
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm12 mm
SensorSony IMX355n/a
Sensor size1/41/4.0
Pixel size1.14 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 13 MP 20 MP
Photo resolution 4290x2800 pixels 5184x3888 pixels
Aperture f/2.5 f/2.0
Focal length n/a 26 mm
Sensor Omnivision OV13B10 CMOS
Sensor size 1/3.06 n/a
Pixel size 1.12 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/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
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* No Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850, 900, 1800, 1900 MHzGSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1/2/4/5/8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category1212
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 10
86.3 dB
Samsung Galaxy M21
83.8 dB

Other

Class Mid-range Mid-range
Announced March, 2021 yr March, 2020 yr
Release Date March, 2021 yr March, 2020 yr
Launch Price ($) 165 210
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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