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Galaxy A21s vs Poco F3

Samsung Galaxy A21s vs Xiaomi Poco F3

What Galaxy A21s does better (4) and where Poco F3 wins (25) — every spec side by side.

Samsung · 2020Galaxy A21s

4.6Score

4 advantages≈ $240

Xiaomi · 2021Poco F3

7.4Score

25 advantages≈ $230

Higher score

3.4Display7.9

2.2Performance5.6

5.7Camera6.7

4.0Battery4.2

5.0Features6.9

Dimensions

Size comparison

Galaxy A21sPoco F3

	Galaxy A21s	Poco F3	Difference
Height	163.7 mm	163.7 mm	=
Width	75.3 mm	76.4 mm	−1.1 mm
Thickness	8.9 mm	7.8 mm	+1.1 mm
Weight	192 g	196 g	−4 g

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

Why is Galaxy A21s better than Poco F3?

Battery capacity5,000 mAh vs 4,520 mAh+11%
Memory card slotYes · Poco F3: No
3.5 mm headphone jackYes · Poco F3: No
Weight192 g vs 196 g+2%

Why is Poco F3 better than Galaxy A21s?

AnTuTu score107,157 vs 631,8505.9×
Geekbench 6 (multi-core)1,100 vs 3,2062.9×
Wired charging15 W vs 33 W2.2×
Refresh rate60 Hz vs 120 Hz2×
Peak brightness540 nits vs 1,300 nits2.4×
OLED panelNo · Galaxy A21s: Yes
Storage (max)128 GB vs 256 GB2×
5GNo · Galaxy A21s: Yes
Stereo speakersNo · Galaxy A21s: Yes
RAM6 GB vs 8 GB+33%
CPU frequency2 GHz vs 3.2 GHz+60%
Pixel density270 ppi vs 395 ppi+46%

Specifications

Side by side

Only differences	Samsung Galaxy A21s≈ $2404.6	Xiaomi Poco F3≈ $2307.4
Design
Weight	192 g	196 g
Thickness	8.9 mm	7.8 mm
Height	163.7 mm	163.7 mm
Width	75.3 mm	76.4 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	Arctic White, Night Black, Deep Ocean Blue, Moonlight Silver
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	1,300 nits
Measured brightness	490 nits	716 nits
Screen-to-body ratio	82.8%	85.9%
HDR	—	Yes
Performance
Chipset	Exynos 850	Qualcomm SM8250-AC Snapdragon 870 5G
Chip maker	Exynos	Qualcomm
Process	8 nm	7 nm
CPU cores	8	8
CPU frequency	2 GHz	3.2 GHz
GPU	Mali-G52	Adreno 650
AnTuTu score	107,157	631,850
Geekbench 6 (multi-core)	1,100	3,206
3DMark Wild Life Extreme	—	1,213
Memory
RAM	6 GB	8 GB
Storage (max)	128 GB	256 GB
Storage (base)	32 GB	128 GB
Storage type	eMMC 5.1	UFS 3.1
Memory card slot	Yes	No
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	2
Optical stabilisation	No	No
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	1080p	4K
4K video frame rate	—	30 fps
Selfie camera	13 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	5,000 mAh	4,520 mAh
Battery type	Li-Po	Li-Po
Wired charging	15 W	33 W
Charged in 30 min	25%	58%
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	5.1
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Infrared port	—	Yes
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, NavIC
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	Yes	No
Loudspeaker loudness	-30 LUFS	-24.5 LUFS
Fingerprint sensor	Rear	Side
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, compass
SAR (head)	0.42 W/kg	0.6 W/kg
Software
OS at launch	Android 10	Android 11
Platform	Android	Android
Interface	One UI 4.1	HyperOS