Side-by-side technical data

Samsung Galaxy A51 5G UW vs Samsung Galaxy M31

Comparison between Samsung Galaxy A51 5G UW and Samsung Galaxy M31: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.

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Samsung

Galaxy A51 5G UW

Samsung

Galaxy M31

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The verdict

Neither runs away with it: each wins something.

Category
Category	Galaxy A51 5G UW	Galaxy M31
Design & display	6.9	6.1
Performance & hardware	5.3	3.8
Camera	5.6	5.8
Connectivity	5.2	5.8
Battery & charging	4.5	5.9

Which one is for you?

Samsung Galaxy A51 5G UW, if you care about…

Usable Surface: 87.5 %; against 84.1 %
Body Thickness: 8.6 mm; against 8.9 mm
Body Materials: Glass, Plastic, Aluminium Alloy; against Glass, Plastic
Cellular Technologies: GSM, HSPA, LTE, 5G; against GSM, HSPA, UMTS, LTE, 4G

Samsung Galaxy M31, if you care about…

Battery Capacity: 6,000 mAh; against 4,500 mAh
RAM Capacity: 8 GB; against 6 GB
SIM Configurations: Dual Nano-SIM, Dual SIM Dual Standby; against Single Nano-SIM

Specification comparison

Show differences only

Performance

Specification	Galaxy A51 5G UW	Galaxy M31
Processor Model	Qualcomm SM7250 Snapdragon 765 5G	Samsung Exynos 9611
Processor Process Size	7 nm Best value	10 nm
Graphics GPU	Qualcomm Adreno 620	Mali-G72 MP3
Storage Type	UFS 2.1	UFS 2.1
Maximum CPU Clock	2.4 GHz Best value	2.3 GHz
Maximum Storage Capacity	128 GB	128 GB
AnTuTu Score	—	180,011
CPU Description	Octa-core CPU with 1x2.4 GHz Kryo 475 Prime, 1x2.2 GHz Kryo 475 Gold, and 6x1.8 GHz Kryo 475 Silver cores.	Octa-core CPU with four Cortex-A73 cores at 2.3 GHz and four Cortex-A53 cores at 1.7 GHz.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	6 GB	8 GB Best value
RAM Type	—	LPDDR4X
Expandable Storage	Yes	Yes
AnTuTu version	—	v8

Design

Specification	Galaxy A51 5G UW	Galaxy M31
Body Colors	Blue	Blue, Black, Red
Body Thickness	8.6 mm Best value	8.9 mm
Body Width	73.4 mm	75.1 mm
Body Height	158.8 mm	159.2 mm
Weight	188.8 g Best value	191 g
Usable Surface	87.5 % Best value	84.1 %
Body Materials	Glass, Plastic, Aluminium Alloy Best value	Glass, Plastic

Battery

Specification	Galaxy A51 5G UW	Galaxy M31
Battery Capacity	4,500 mAh	6,000 mAh Best value
Battery Type	Li-Po	Li-Polymer
Fast Charge Power	15 W	15 W
Battery Features	Fast Charging	Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator

Display

Specification	Galaxy A51 5G UW	Galaxy M31
Display Aspect Ratio	20:9	19.5:9
Display Technology	Super AMOLED	AMOLED
Peak Display Brightness	—	420 nits
Display Diagonal	6.5″ Best value	6.4″
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,400 px Best value	2,340 px
Display Pixel Density	405 ppi Best value	403 ppi
Display Refresh Rate	—	60 Hz
Display Features	Gorilla Glass 3, AMOLED	Gorilla Glass 3, AMOLED, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless, Always-On Display

Sensors

Specification	Galaxy A51 5G UW	Galaxy M31
Fingerprint Sensor Placement	Under Display	Rear

Sensor

Specification	Galaxy A51 5G UW	Galaxy M31
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass	Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Proximity Sensor

Software

Specification	Galaxy A51 5G UW	Galaxy M31
Operating System	Android 10	Android 10
OS Family	Android	Android
OS Version	10	10
OS Update Support	—	2 years
Google Services	—	Yes
Widevine L1	—	Yes

Connectivity

Specification	Galaxy A51 5G UW	Galaxy M31
SIM Configurations	Single Nano-SIM	Dual Nano-SIM, Dual SIM Dual Standby Best value
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B2, 4G LTE B4, 4G LTE B5, 4G LTE B13, 4G LTE B66, 5G NR n260, 5G NR n261	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B850, 3G UMTS B900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66
Cellular Technologies	GSM, HSPA, LTE, 5G Best value	GSM, HSPA, UMTS, LTE, 4G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct
Bluetooth Version	Bluetooth 5.0	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE	A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP
Navigation Systems	GPS, GLONASS, Galileo, BeiDou	GPS, A-GPS, GLONASS, Galileo, BeiDou Best value
Connectivity Features	3.5 mm Audio Jack, ANT+, NFC, FM Radio, USB Type-C, USB OTG	3.5 mm Audio Jack, Virtual Proximity Sensing, NFC, FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, ANT+
USB Version	USB 2.0	USB 2.0
SAR American Head	—	0.52 W/kg
SAR American Body	—	0.69 W/kg
SAR (EU) head	0.59 W/kg	0.48 W/kg Best value
SAR (EU) body	1.32 W/kg	1.13 W/kg Best value
Max. download speed	—	600 Mbps
Max. upload speed	—	150 Mbps

Audio

Specification	Galaxy A51 5G UW	Galaxy M31
Microphone Count	—	2
Audio Features	A2DP, LE, Loudspeaker	A2DP, LE, Loudspeaker, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP

Technical

Specification	Galaxy A51 5G UW	Galaxy M31
Model numbers	SM-A516V	SM-M315F, SM-M315F/DS, SM-M315F/DSN