Side-by-side technical data

Samsung Galaxy M31 vs Samsung Galaxy M51

Comparison between Samsung Galaxy M31 and Samsung Galaxy M51: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.

Add a phone

Samsung

Galaxy M31

Samsung

Galaxy M51

Add another phone Add another phone

The verdict

Your pick: Samsung Galaxy M51, ahead on Performance & hardware and Battery & charging. Unless Camera decides it for you.

Category
Category	Galaxy M31	Galaxy M51
Design & display	6.1	5.8
Performance & hardware	3.8	4.3
Camera	5.8	5.5
Connectivity	5.8	5.6
Battery & charging	5.9	6.2

Which one is for you?

Samsung Galaxy M31, if you care about…

Weight: 191 g; against 213 g
Body Thickness: 8.9 mm; against 9.5 mm
Microphone Count: 2; against 1

Samsung Galaxy M51, if you care about…

Battery Capacity: 7,000 mAh; against 6,000 mAh
AnTuTu Score: 266,620; against 180,011
Fast Charge Power: 25 W; against 15 W
Display Diagonal: 6.7″; against 6.4″

Specification comparison

Show differences only

Performance

Specification	Galaxy M31	Galaxy M51
Processor Model	Samsung Exynos 9611	Qualcomm Snapdragon 730G
Processor Process Size	10 nm	8 nm Best value
Graphics GPU	Mali-G72 MP3	Qualcomm Adreno 618
Storage Type	UFS 2.1	UFS 2.1
Maximum CPU Clock	2.3 GHz Best value	2.2 GHz
Maximum Storage Capacity	128 GB	128 GB
AnTuTu Score	180,011	266,620 Best value
CPU Description	Octa-core CPU with four Cortex-A73 cores at 2.3 GHz and four Cortex-A53 cores at 1.7 GHz.	Octa-core CPU with 2 Kryo 470 Gold cores at 2.2 GHz and 6 Kryo 470 Silver cores at 1.8 GHz.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	8 GB	8 GB
RAM Type	LPDDR4X	LPDDR4X
Expandable Storage	Yes	Yes
AnTuTu version	v8	v8

Design

Specification	Galaxy M31	Galaxy M51
Body Colors	Blue, Black, Red	Black, Blue, White
Body Thickness	8.9 mm Best value	9.5 mm
Body Width	75.1 mm	76.3 mm
Body Height	159.2 mm	163.9 mm
Weight	191 g Best value	213 g
Usable Surface	84.1 %	86.7 % Best value
Body Materials	Glass, Plastic	Glass, Plastic

Battery

Specification	Galaxy M31	Galaxy M51
Battery Capacity	6,000 mAh	7,000 mAh Best value
Battery Type	Li-Polymer	Li-Polymer
Fast Charge Power	15 W	25 W Best value
Battery Features	Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator	Non-Removable, Rechargeable, Battery Level Indicator, Fast Charging

Display

Specification	Galaxy M31	Galaxy M51
Display Aspect Ratio	19.5:9	20:9
Display Technology	AMOLED	Super AMOLED
Peak Display Brightness	420 nits	420 nits
Display Diagonal	6.4″	6.7″ Best value
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,340 px	2,400 px Best value
Display Pixel Density	403 ppi Best value	393 ppi
Display Refresh Rate	60 Hz	60 Hz
Display Features	Gorilla Glass 3, AMOLED, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless, Always-On Display	Gorilla Glass 3, Always-On Display, Capacitive Touch, Multi-Touch, Hole-Punch Notch, Frameless

Sensors

Specification	Galaxy M31	Galaxy M51
Fingerprint Sensor Placement	Rear	Side

Sensor

Specification	Galaxy M31	Galaxy M51
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Proximity Sensor	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass

Software

Specification	Galaxy M31	Galaxy M51
Operating System	Android 10	Android 10
OS Family	Android	Android
OS Version	10	10
OS Update Support	2 years	2 years
Google Services	Yes	Yes
Widevine L1	Yes	—

Connectivity

Specification	Galaxy M31	Galaxy M51
SIM Configurations	Dual Nano-SIM, Dual SIM Dual Standby	Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM
Cellular Bands	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	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 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 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, UMTS, LTE, 4G	GSM, HSPA, UMTS, LTE, 4G
Wi-Fi Standards	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g/n/ac
Wi-Fi Features	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct
Bluetooth Version	Bluetooth 5.0	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP	A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP
Navigation Systems	GPS, A-GPS, GLONASS, Galileo, BeiDou	GPS, A-GPS, GLONASS, Galileo, BeiDou
Connectivity Features	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+	3.5 mm Audio Jack, 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 Best value	1.38 W/kg
SAR American Body	0.69 W/kg	—
SAR (EU) head	0.48 W/kg Best value	0.61 W/kg
SAR (EU) body	1.13 W/kg Best value	1.45 W/kg
Max. download speed	600 Mbps	800 Mbps Best value
Max. upload speed	150 Mbps	150 Mbps

Audio

Specification	Galaxy M31	Galaxy M51
Microphone Count	2 Best value	1
Audio Features	A2DP, LE, Loudspeaker, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP	Loudspeaker, Hi-Res Audio, A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP

Technical

Specification	Galaxy M31	Galaxy M51
Model numbers	SM-M315F, SM-M315F/DS, SM-M315F/DSN	SM-M515F, SM-M515F/DSN