Xiaomi Redmi Note 10S vs Samsung Galaxy S21

Compared 2 smartphones : Xiaomi Redmi Note 10S Manufactured in April, 2021, with display 6.43 with chipsetMediaTek Helio G95, vs Samsung Galaxy S21, Manufactured in February, 2021with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 10S
  • Larger display: 6.43in
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Infrared port
Reasons to choose Samsung Galaxy S21
  • Higher pixel density: 421ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 169g vs 178.8g
  • Supports newer USB: 3.2 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Redmi Note 10S and Samsung Galaxy S21
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.
Customize your score
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 AMOLED Dynamic AMOLED
Size 6.43 in 6.2 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 409 ppi 421 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (48-120 Hz)
Max brightness 450 nits 800 nits
HDR support Yes HDR10 Yes HDR10+
Screen-to-body ratio 83.4 % 85.9 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi Note 10S
694 nits
Samsung Galaxy S21
854 nits
sRGB gamut91.6 %99.5 %
PWM (Flicker)250 Hz240 Hz
Response time4.4 ms5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 160.5 mm (6.32 in) 151.7 mm (5.97 in)
Width 74.5 mm (2.93 in) 71.2 mm (2.8 in)
Thickness 8.3 mm (0.33 in) 7.9 mm (0.31 in)
Weight 178.8 g (6.31 oz) 169 g (5.96 oz)
Water resistance IP53 IP68
Back panel Plastic Plastic
Frame Plastic Metal
Colors - White
- Gray
- Blue
- White
- Gray
- Pink
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Redmi Note 10S
83.4 %
Samsung Galaxy S21
85.9 %

Performance

Testing Xiaomi Redmi Note 10S and Samsung Galaxy S21 In benchmarks
Processor
Chipset MediaTek Helio G95 Samsung Exynos 2100
Max Frequency 2050 MHz 2900 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.05 (Cortex-A76)
- 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process TSMC Samsung
Transistor Size 12 nm 5 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G76 MP4 Mali-G78 MP14
GPU Cores 144 896
GPU Frequency 900 MHz 854 MHz
FLOPS 259.2 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 10S
624
Samsung Galaxy S21
1331
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 10S
1719
Samsung Galaxy S21
3593
Geekbench 6 (Single-Core)6241331
Geekbench 6 (Multi-Core)17193593
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 10S
405979
Samsung Galaxy S21
903780
CPU123031253391
GPU85934281676
Memory87925158352
UX109089210361
NanoReview Score405979903780
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 10S
n/a
Samsung Galaxy S21
5715
Max Surface Temp.n/a38.9 °C
Stabilityn/a66 %
Graphics Testn/a34 fps
Graphics Scoren/a5715
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 10S
n/a
Samsung Galaxy S21
13123
Writing scoren/a16101
Web scoren/a11909
Video editingn/a7097
Data manipulationn/a10153
NanoReview Scoren/a13123

Memory

RAM
RAM Size - 6 GB
- 8 GB
8 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 2750 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardMicroSDNo

Software

OS Android 11 (Upgradeable to Android 13) Android 11 (Upgradeable to Android 14)
OS Size 18 GB 28.1 GB
UI Skin MIUI 14 One UI 6.0

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 33 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging Yes Yes (Wireless)
Fast Charging Yes (50% in 35 min) Yes (55% in 50 min)
Full Charge Time 1:09 h 1:35 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 10S
24:11
Samsung Galaxy S21
17:54
Web Browsing09:10 h06:01 h
Video Playback13:06 h11:06 h
Games05:29 h04:21 h
Standby Mode129 h95 h

Main camera

Matrix 64 MP 12 MP
Photo resolution 9216x6912 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 960 fps (720p)
Wide-angle lens 118 ° 120 °
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP12 MP
Aperturef/1.8f/1.8
Focal length26 mm26 mm
SensorOmniVision OV64BSony IMX555
Sensor size1/1.971/1.76
Pixel size0.8 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a28 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSony IMX355Sony IMX563
Sensor size1/41/2.55
Pixel size1.14 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Redmi Note 10S
98
Samsung Galaxy S21
129
Video quality
Xiaomi Redmi Note 10S
82
Samsung Galaxy S21
137
Overall camera score
Xiaomi Redmi Note 10S
92
Samsung Galaxy S21
133
Bokehn/a70
Previewn/a72
Zoomn/a126

Front camera

Matrix 13 MP 10 MP
Photo resolution 4290x2800 pixels 3872x2592 pixels
Aperture f/2.5 f/2.2
Focal length n/a 26 mm
Sensor Omnivision OV13B10 Sony IMX374
Sensor size 1/3.06 1/3.24
Pixel size 1.12 μm 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- 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
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900GSM 850, 900, 1800, 1900 MHz
3G BandsWCDMA B1/2/4/5/8WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category1224
5G SupportNoYes

Sound

Speakers Stereo Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 10S
88.9 dB
Samsung Galaxy S21
87 dB

Other

Class Mid-range Flagship
Announced March, 2021 yr January, 2021 yr
Release Date April, 2021 yr February, 2021 yr
Launch Price ($) 190 800
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S21 the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below