Xiaomi Redmi Note 10 vs Samsung Galaxy S21

60 out of 100

70 out of 100

Here we compared two smartphones: the 6.43-inch Xiaomi Redmi Note 10 (with Qualcomm Snapdragon 678) that was released on March 4, 2021, against the Samsung Galaxy S21, which is powered by Exynos 2100 and came out 2 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Xiaomi Redmi Note 10

Shows 48% longer battery life (38:02 vs 25:44 hours)
Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
Expandable storage via MicroSD card up to 512GB
Includes a 3.5 mm headphone audio jack port
Has a built-in infrared port

Reasons to consider the Samsung Galaxy S21

2.4x better performance in AnTuTu Benchmark (806K versus 340K)
Higher display refresh rate – 120 Hz
Handles wireless charging up to 15W
Delivers 25% higher peak brightness (864 against 689 nits)
Optical image stabilization
Waterproof body (IP68 classification)
The rear camera has a 1.1x optical zoom
More energy-efficient CPU – Exynos 2100
Uses a faster type of memory: LPDDR5 2750 MHz
Compatible with Wi-Fi 6 wireless networks
More recent OS version: Android 13 versus 12

Review

Evaluation of Xiaomi Redmi Note 10 and Samsung Galaxy S21 crucial features

Display

Screen quality, color accuracy, brightness

Type	Super AMOLED	Dynamic AMOLED
Size	6.43 inches	6.2 inches
Resolution	1080 x 2400 pixels	1080 x 2400 pixels
Aspect ratio	20:9	20:9
PPI	406 ppi	421 ppi
Refresh rate	60 Hz	120 Hz
Adaptive refresh rate	No	No
Max rated brightness	450 nits	800 nits
Max rated brightness in HDR	1100 nits	-
HDR support	Yes, HDR10	Yes, HDR10+
Screen protection	Corning Gorilla Glass 3	Gorilla Glass Victus
Screen-to-body ratio	83.5%	87.2%
Display features	-	- DCI-P3 - Always-On Display

RGB color space	89.1%	99.5%
PWM	250 Hz	240 Hz
Response time	4 ms	5 ms
Contrast	∞ Infinity	∞ Infinity

Height	160.5 mm (6.32 inches)	151.7 mm (5.97 inches)
Width	74.5 mm (2.93 inches)	71.2 mm (2.8 inches)
Thickness	8.3 mm (0.33 inches)	7.9 mm (0.31 inches)
Weight	178.8 g (6.31 oz)	169 g (5.96 oz)
Waterproof	IP53	IP68
Rear material	Plastic	Plastic
Frame material	Plastic	Metal
Colors	White, Black, Green	White, Gray, Pink, Purple
Fingerprint scanner	Yes, in-button	Yes, in-display

Chipset	Qualcomm Snapdragon 678	Samsung Exynos 2100
Max clock	2200 MHz	2900 MHz
CPU cores	8 (2 + 6)	8 (1 + 3 + 4)
Architecture	- 6 cores at 1.7 GHz: Kryo 460 Silver (Cortex-A55) - 2 cores at 2.2 GHz: Kryo 460 Gold (Cortex-A76)	- 4 cores at 2.2 GHz: Cortex-A55 - 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1
Lithography process	11 nanometers	5 nanometers
Graphics	Adreno 612	Mali-G78 MP14
GPU shading units	192	896
GPU clock	845 MHz	854 MHz
FLOPS	~324.4 GFLOPS	~1530.4 GFLOPS

CPU	131607	150223
GPU	55215	340353
Memory	63813	151885
UX	87186	158712
Total score	340607	806977

Max surface temperature	42.9 °C	38.9 °C
Stability	99%	66%
Graphics test	2 FPS	34 FPS
Graphics score	481	5714

Web score	5803	12591
Video editing	5309	7113
Photo editing	14513	29385
Data manipulation	6413	10438
Writing score	9099	16561

RAM size	4, 6 GB	8 GB
Memory type	LPDDR4X	LPDDR5
Memory clock	2133 MHz	2750 MHz
Channels	2	2

Storage size	64, 128 GB	128, 256 GB
Storage type	UFS 2.2	UFS 3.1
Memory card	MicroSD	No
Memory card max size	Up to 512 GB	-

Operating system	Android 11 (Can be upgraded to Android 12)	Android 11 (Can be upgraded to Android 13)
ROM	MIUI 14	One UI 5.1
OS size	20 GB	28.1 GB

Capacity	5000 mAh	4000 mAh
Max charge power	33 W	25 W
Battery type	Li-Po	Li-Ion
Replaceable	No	No
Wireless charging	No	Yes (15 W)
Reverse charging	No	Yes, (wireless)
Fast charging	Yes (65% in 30 min)	Yes (55% in 50 min)
Full charging time	1:14 hr	1:35 hr

Battery life tests
Web browsing	11:07 hr	07:27 hr
Watching video	17:32 hr	12:26 hr
Gaming	05:57 hr	04:31 hr
Standby	143 hr	92 hr

Main camera
Matrix	48 megapixels	12 megapixels
Image resolution	8000 x 6000	4000 x 3000
Zoom	Digital	Optical, 1.1x
Flash	LED	Dual LED
Stabilization	Digital	Optical
8K video recording	No	Up to 24FPS
4K video recording	Up to 30FPS	Up to 60FPS
1080p video recording	Up to 60FPS	Up to 60FPS
Slow motion	960 FPS (720p)	960 FPS (720p)
Angle of widest lens	118°	120°
Lenses	4 (48 MP + 8 MP + 2 MP + 2 MP)	3 (12 MP + 64 MP + 12 MP)
Wide (main) lens	- 48 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus	- 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
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
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: 1.4 micron - Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel)
Macro lens	- 2 MP - Aperture: f/2.4 - Sensor: 1/5", GalaxyCore GC02M1 (CMOS)	-
Depth lens	- 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron	-
Camera features	- Bokeh mode - Pro mode	- Bokeh mode - Pro mode - RAW support
Samples	-	Photo samples of Samsung Galaxy S21 from DxOMark

Selfie camera
Megapixels	13 megapixels	10 megapixels
Image resolution	4290 x 2800	3872 x 2592
Aperture	f/2.5	f/2.2
Focal length	-	26 mm
Pixel size	1.12 microns	1.22 microns
Sensor type	PureCel	CMOS
Sensor size	1/3.06"	1/3.24"
Video resolution	1080p (Full HD) at 30 FPS	2160p (4K) at 60 FPS

Wi-Fi standard	Wi-Fi 5 (802.11 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 *	No	Yes
Infrared port	Yes	No

Number of SIM *	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support *	No	Yes
Hybrid slot	No	No
LTE Cat *	12	24
5G support	No	Yes

Speakers	Stereo	Stereo
Headphone audio jack	Yes	No
FM radio	Yes	No
Dolby Atmos	No	Yes

Category	Mid-range	Flagship
Announced	March 2021	January 2021
Release date	March 2021	February 2021
SAR (head)	0.59 W/kg	0.46 W/kg
SAR (body)	0.96 W/kg	1.51 W/kg
Sensors	- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint

Xiaomi Redmi Note 10 vs Samsung Galaxy S21

Xiaomi Redmi Note 10 vs Samsung Galaxy S21

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

DxOMark camera tests

Connectivity

Sound

Other

Conclusion