android.gs
Compare
Galaxy M21 2021 vs Redmi Note 10 5G

Samsung Galaxy M21 2021 vs Xiaomi Redmi Note 10 5G

What Galaxy M21 2021 does better (7) and where Redmi Note 10 5G wins (8) — every spec side by side.

Samsung · 2021Galaxy M21 2021

6.5Score

7 advantages≈ $140

Higher score

Xiaomi · 2021Redmi Note 10 5G

5.4Score

8 advantages≈ $150

5.0Display4.9

6.7Camera3.9

6.6Battery4.6

5.0Features5.7

Dimensions

Size comparison

Galaxy M21 2021Redmi Note 10 5G

	Galaxy M21 2021	Redmi Note 10 5G	Difference
Height	159 mm	161.8 mm	−2.8 mm
Width	75.1 mm	75.3 mm	−0.2 mm
Thickness	9 mm	8.9 mm	+0.1 mm
Weight	192 g	190 g	+2 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy M21 2021 better than Redmi Note 10 5G?

OLED panelYes · Redmi Note 10 5G: No
Battery capacity6,000 mAh vs 5,000 mAh+20%
Selfie camera20 MP vs 8 MP2.5×
Rear cameras2 vs 12×
Ultra-wide cameraYes · Redmi Note 10 5G: No
Max video4K vs 1080p
CPU frequency2.3 GHz vs 2.2 GHz+5%

Why is Redmi Note 10 5G better than Galaxy M21 2021?

Refresh rate60 Hz vs 90 Hz+50%
Storage (max)128 GB vs 256 GB2×
5GNo · Galaxy M21 2021: Yes
RAM6 GB vs 8 GB+33%
Wired charging15 W vs 18 W+20%
Peak brightness420 nits vs 500 nits+19%
Process10 nm vs 7 nm+43%
Main camera aperturef/2 vs f/1.8+11%

Specifications

Side by side

Only differences	Samsung Galaxy M21 2021≈ $1406.5	Xiaomi Redmi Note 10 5G≈ $1505.4
Design
Weight	192 g	190 g
Thickness	9 mm	8.9 mm
Height	159 mm	161.8 mm
Width	75.1 mm	75.3 mm
Frame	Plastic	Plastic
Back	Plastic	Plastic
Ingress protection	—	IP53
Water resistance (IPx)	—	IPx3
Glass protection	—	Corning Gorilla Glass 3
Colours	Charcoal Black, Arctic Blue	Chrome Silver, Graphite Gray, Nighttime Blue, Aurora Green
Display
Screen size	6.4″	6.5″
Panel	Super AMOLED	IPS LCD
OLED panel	Yes	No
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,340 px	2,400 px
Pixel density	403 ppi	405 ppi
Refresh rate	60 Hz	90 Hz
Peak brightness	420 nits	500 nits
Measured brightness	—	492 nits
Screen-to-body ratio	84.2%	83.7%
Performance
Chipset	Exynos 9611	Mediatek Dimensity 700
Chip maker	Exynos	MediaTek
Process	10 nm	7 nm
CPU cores	8	8
CPU frequency	2.3 GHz	2.2 GHz
GPU	Mali-G72 MP3	Mali-G57 MC2
AnTuTu score	—	526,407
Geekbench 6 (multi-core)	—	1,736
3DMark Wild Life Extreme	—	320
Memory
RAM	6 GB	8 GB
Storage (max)	128 GB	256 GB
Storage (base)	64 GB	64 GB
Storage type	—	UFS 2.2
Memory card slot	Yes	Yes
Camera
Main camera	48 MP	48 MP
Main camera aperture	f/2	f/1.8
Main sensor size	1/2.0"	1/2.0"
Rear cameras	2	1
Optical stabilisation	No	No
Ultra-wide camera	Yes	No
Telephoto camera	No	No
Max video	4K	1080p
4K video frame rate	30 fps	—
Selfie camera	20 MP	8 MP
4K selfie video	No	No
Battery
Battery capacity	6,000 mAh	5,000 mAh
Battery type	Li-Po	Li-Po
Wired charging	15 W	18 W
Charged in 30 min	—	33%
Wireless charging	No	No
Connectivity
5G	No	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 5
Bluetooth	5	5.1
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Infrared port	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	No	No
3.5 mm headphone jack	Yes	Yes
Loudspeaker loudness	—	-27 LUFS
Fingerprint sensor	Rear	Side
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)	0.47 W/kg	0.54 W/kg
Software
OS at launch	Android 11	Android 11
Platform	Android	Android
Interface	One UI 3.1 Core	MIUI 12