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Galaxy A21s vs Redmi Note 12 Pro

Samsung Galaxy A21s vs Xiaomi Redmi Note 12 Pro

What Galaxy A21s does better (1) and where Redmi Note 12 Pro wins (29) — every spec side by side.

Samsung · 2020Galaxy A21s

4.6Score

1 advantage≈ $240

Xiaomi · 2022Redmi Note 12 Pro

7.4Score

29 advantages≈ $270

Higher score

3.4Display7.5

2.2Performance4.9

5.7Camera8.2

4.0Battery5.4

5.0Features5.8

Dimensions

Size comparison

Galaxy A21sRedmi Note 12 Pro

	Galaxy A21s	Redmi Note 12 Pro	Difference
Height	163.7 mm	163 mm	+0.7 mm
Width	75.3 mm	76 mm	−0.7 mm
Thickness	8.9 mm	8 mm	+0.9 mm
Weight	192 g	187 g	+5 g

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

Why is Galaxy A21s better than Redmi Note 12 Pro?

Memory card slotYes · Redmi Note 12 Pro: No

Why is Redmi Note 12 Pro better than Galaxy A21s?

AnTuTu score107,157 vs 490,5264.6×
Wired charging15 W vs 67 W4.5×
Geekbench 6 (multi-core)1,100 vs 2,2092×
Refresh rate60 Hz vs 120 Hz2×
RAM6 GB vs 12 GB2×
OLED panelNo · Galaxy A21s: Yes
Storage (max)128 GB vs 256 GB2×
Optical stabilisationNo · Galaxy A21s: Yes
5GNo · Galaxy A21s: Yes
Stereo speakersNo · Galaxy A21s: Yes
Measured brightness490 nits vs 890 nits+82%
Peak brightness540 nits vs 900 nits+67%

Specifications

Side by side

Only differences	Samsung Galaxy A21s≈ $2404.6	Xiaomi Redmi Note 12 Pro≈ $2707.4
Design
Weight	192 g	187 g
Thickness	8.9 mm	8 mm
Height	163.7 mm	163 mm
Width	75.3 mm	76 mm
Frame	Plastic	Plastic
Back	Plastic	Glass
Ingress protection	—	IP53
Water resistance (IPx)	—	IPx3
Glass protection	—	Corning Gorilla Glass 5
Colours	Black, White, Blue, Red	Frosted Blue (Sky Blue), Onyx Black (Midnight Black), Polar White, Stardust Purple
Display
Screen size	6.5″	6.7″
Panel	PLS LCD	AMOLED
OLED panel	No	Yes
Resolution (width)	720 px	1,080 px
Resolution (height)	1,600 px	2,400 px
Pixel density	270 ppi	395 ppi
Refresh rate	60 Hz	120 Hz
Peak brightness	540 nits	900 nits
Measured brightness	490 nits	890 nits
Screen-to-body ratio	82.8%	86.7%
HDR	—	Yes
Performance
Chipset	Exynos 850	Mediatek Dimensity 1080
Chip maker	Exynos	MediaTek
Process	8 nm	6 nm
CPU cores	8	8
CPU frequency	2 GHz	2.6 GHz
GPU	Mali-G52	Mali-G68 MC4
AnTuTu score	107,157	490,526
Geekbench 6 (multi-core)	1,100	2,209
3DMark Wild Life Extreme	—	629
Memory
RAM	6 GB	12 GB
Storage (max)	128 GB	256 GB
Storage (base)	32 GB	128 GB
Storage type	eMMC 5.1	UFS 2.2
Memory card slot	Yes	No
Camera
Main camera	48 MP	50 MP
Main camera aperture	f/2	f/1.9
Main sensor size	1/2.0"	1/1.56"
Rear cameras	2	2
Optical stabilisation	No	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	1080p	4K
4K video frame rate	—	30 fps
Selfie camera	13 MP	16 MP
4K selfie video	No	No
Battery
Battery capacity	5,000 mAh	5,000 mAh
Battery type	Li-Po	Li-Po
Active use (test)	—	12.1 h
Wired charging	15 W	67 W
Charged in 30 min	25%	100%
Wireless charging	No	No
Connectivity
5G	No	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 6
Bluetooth	5	5.2
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, QZSS
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	Yes	Yes
Loudspeaker loudness	-30 LUFS	-26.6 LUFS
Fingerprint sensor	Rear	Side
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)	0.42 W/kg	0.99 W/kg
Software
OS at launch	Android 10	Android 12
Platform	Android	Android
Interface	One UI 4.1	MIUI 13
Major OS updates promised	—	2