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Galaxy A31 vs Galaxy A72

Samsung Galaxy A31 vs Samsung Galaxy A72

What Galaxy A31 does better (2) and where Galaxy A72 wins (23) — every spec side by side.

Samsung · 2020Galaxy A31

5.8Score

2 advantages≈ $260

Samsung · 2021Galaxy A72

7.4Score

23 advantages≈ $300

Higher score

5.7Display7.1

3.6Performance4.4

6.2Camera9.2

4.0Battery5.3

5.0Features5.9

Dimensions

Size comparison

Galaxy A31Galaxy A72

	Galaxy A31	Galaxy A72	Difference
Height	159.3 mm	165 mm	−5.7 mm
Width	73.1 mm	77.4 mm	−4.3 mm
Thickness	8.6 mm	8.4 mm	+0.2 mm
Weight	185 g	203 g	−18 g

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

Why is Galaxy A31 better than Galaxy A72?

Weight185 g vs 203 g+10%
Pixel density411 ppi vs 394 ppi+4%

Why is Galaxy A72 better than Galaxy A31?

AnTuTu score151,815 vs 279,342+84%
Wired charging15 W vs 25 W+67%
Refresh rate60 Hz vs 90 Hz+50%
Storage (max)128 GB vs 256 GB2×
Optical stabilisationNo · Galaxy A31: Yes
Telephoto cameraNo · Galaxy A31: Yes
Stereo speakersNo · Galaxy A31: Yes
Main camera48 MP vs 64 MP+33%
Geekbench 6 (multi-core)5,096 vs 6,483+27%
Peak brightness600 nits vs 800 nits+33%
Measured brightness635 nits vs 825 nits+30%
Charged in 30 min25% vs 54%2.2×

Specifications

Side by side

Only differences	Samsung Galaxy A31≈ $2605.8	Samsung Galaxy A72≈ $3007.4
Design
Weight	185 g	203 g
Thickness	8.6 mm	8.4 mm
Height	159.3 mm	165 mm
Width	73.1 mm	77.4 mm
Frame	Plastic	Plastic
Back	Plastic	Plastic
Ingress protection	—	IP67
Water resistance (IPx)	—	IPx7
Glass protection	—	Corning Gorilla Glass 5
Colours	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White	Awesome Black, Awesome White, Awesome Violet, Awesome Blue
Display
Screen size	6.4″	6.7″
Panel	Super AMOLED	Super AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,400 px	2,400 px
Pixel density	411 ppi	394 ppi
Refresh rate	60 Hz	90 Hz
Peak brightness	600 nits	800 nits
Measured brightness	635 nits	825 nits
Screen-to-body ratio	84.9%	84.4%
HDR	—	Yes
Performance
Chipset	Mediatek MT6768 Helio P65	Qualcomm SM7125 Snapdragon 720G
Chip maker	MediaTek	Qualcomm
Process	12 nm	8 nm
CPU cores	8	8
CPU frequency	2 GHz	2.3 GHz
GPU	Mali-G52 MC2	Adreno 618
AnTuTu score	151,815	279,342
Geekbench 6 (multi-core)	5,096	6,483
3DMark Wild Life Extreme	—	313
Memory
RAM	8 GB	8 GB
Storage (max)	128 GB	256 GB
Storage (base)	64 GB	128 GB
Storage type	eMMC 5.1	UFS 2.1
Memory card slot	Yes	Yes
Camera
Main camera	48 MP	64 MP
Main camera aperture	f/2	f/1.8
Main sensor size	1/2.0"	1/1.7"
Rear cameras	2	3
Optical stabilisation	No	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	Yes
Optical zoom	—	3×
Max video	1080p	4K
4K video frame rate	—	30 fps
Selfie camera	20 MP	32 MP
4K selfie video	No	Yes
Battery
Battery capacity	5,000 mAh	5,000 mAh
Battery type	Li-Po	Li-Ion
Wired charging	15 W	25 W
Charged in 30 min	25%	54%
Wireless charging	No	No
Connectivity
5G	No	No
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 5
Bluetooth	5	5
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	Yes	Yes
Loudspeaker loudness	-30.9 LUFS	-26.4 LUFS
Fingerprint sensor	Under display	Under display
Sensors	Fingerprint (under display, optical), accelerometer, gyro, compass	Fingerprint (under display, optical), accelerometer, gyro, compass
SAR (head)	0.49 W/kg	0.23 W/kg
Software
OS at launch	Android 10	Android 11
Platform	Android	Android
Interface	One UI 4.1	upgradable to Android 14 One UI 6.1