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Galaxy A21s vs Galaxy S20

Samsung Galaxy A21s vs Samsung Galaxy S20

What Galaxy A21s does better (5) and where Galaxy S20 wins (28) — every spec side by side.

Samsung · 2020Galaxy A21s

4.6Score

5 advantages≈ $240

Samsung · 2020Galaxy S20

7.8Score

28 advantages≈ $430

Higher score

3.4Display7.7

2.2Performance6.0

5.7Camera7.9

4.0Battery3.8

5.0Features8.2

Dimensions

Size comparison

Galaxy A21sGalaxy S20

	Galaxy A21s	Galaxy S20	Difference
Height	163.7 mm	151.7 mm	+12 mm
Width	75.3 mm	69.1 mm	+6.2 mm
Thickness	8.9 mm	7.9 mm	+1 mm
Weight	192 g	163 g	+29 g

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

Why is Galaxy A21s better than Galaxy S20?

Main camera48 MP vs 12 MP4×
Battery capacity5,000 mAh vs 4,000 mAh+25%
3.5 mm headphone jackYes · Galaxy S20: No
Screen size6.5″ vs 6.2″+5%
Selfie camera13 MP vs 10 MP+30%

Why is Galaxy S20 better than Galaxy A21s?

AnTuTu score107,157 vs 525,0294.9×
Geekbench 6 (multi-core)1,100 vs 12,55711.4×
Refresh rate60 Hz vs 120 Hz2×
Wired charging15 W vs 25 W+67%
Peak brightness540 nits vs 1,200 nits2.2×
Pixel density270 ppi vs 563 ppi2.1×
OLED panelNo · Galaxy A21s: Yes
Optical stabilisationNo · Galaxy A21s: Yes
Telephoto cameraNo · Galaxy A21s: Yes
Wireless chargingNo · Galaxy A21s: Yes
Stereo speakersNo · Galaxy A21s: Yes
RAM6 GB vs 8 GB+33%

Specifications

Side by side

Only differences	Samsung Galaxy A21s≈ $2404.6	Samsung Galaxy S20≈ $4307.8
Design
Weight	192 g	163 g
Thickness	8.9 mm	7.9 mm
Height	163.7 mm	151.7 mm
Width	75.3 mm	69.1 mm
Frame	Plastic	Aluminium
Back	Plastic	Glass
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Glass protection	—	Corning Gorilla Glass 6
Colours	Black, White, Blue, Red	Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red
Display
Screen size	6.5″	6.2″
Panel	PLS LCD	Dynamic AMOLED 2X
OLED panel	No	Yes
Resolution (width)	720 px	1,440 px
Resolution (height)	1,600 px	3,200 px
Pixel density	270 ppi	563 ppi
Refresh rate	60 Hz	120 Hz
Peak brightness	540 nits	1,200 nits
Measured brightness	490 nits	814 nits
Screen-to-body ratio	82.8%	89.5%
HDR	—	Yes
Performance
Chipset	Exynos 850	Exynos 990 - Global
Chip maker	Exynos	Qualcomm
Process	8 nm	7 nm
CPU cores	8	8
CPU frequency	2 GHz	2.84 GHz
GPU	Mali-G52	Mali-G77 MP11 - Global Adreno 650 - USA
AnTuTu score	107,157	525,029
Geekbench 6 (multi-core)	1,100	12,557
3DMark Wild Life Extreme	—	1,414
Memory
RAM	6 GB	8 GB
Storage (max)	128 GB	128 GB
Storage (base)	32 GB	128 GB
Storage type	eMMC 5.1	UFS 3.0
Memory card slot	Yes	Yes
Camera
Main camera	48 MP	12 MP
Main camera aperture	f/2	f/1.8
Main sensor size	1/2.0"	1/1.76"
Rear cameras	2	3
Optical stabilisation	No	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	Yes
Optical zoom	—	1.1×
Max video	1080p	8K
4K video frame rate	—	60 fps
Selfie camera	13 MP	10 MP
4K selfie video	No	Yes
Battery
Battery capacity	5,000 mAh	4,000 mAh
Battery type	Li-Po	Li-Ion
Wired charging	15 W	25 W
Charged in 30 min	25%	—
Wireless charging	No	Yes
Wireless charging power	—	15 W
Reverse wireless charging	—	Yes
Connectivity
5G	No	No
eSIM	No	Yes
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 6
Bluetooth	5	5
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 3.2
USB version	2	3.2
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	Yes	No
Loudspeaker loudness	-30 LUFS	-23.9 LUFS
Fingerprint sensor	Rear	Under display, ultrasonic
Barometer	—	Yes
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
SAR (head)	0.42 W/kg	0.28 W/kg
Software
OS at launch	Android 10	Android 10
Platform	Android	Android
Interface	One UI 4.1	One UI 5