Side-by-side technical data

Samsung Galaxy A51 5G UW vs Samsung Galaxy M51

Comparison between Samsung Galaxy A51 5G UW and Samsung Galaxy M51: 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 M51

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The verdict

Neither runs away with it: each wins something.

Category
Category	Galaxy A51 5G UW	Galaxy M51
Design & display	6.9	5.8
Performance & hardware	5.3	4.3
Camera	5.6	5.5
Connectivity	5.2	5.6
Battery & charging	4.5	6.2

Which one is for you?

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

Weight: 188.8 g; against 213 g
Body Thickness: 8.6 mm; against 9.5 mm
Body Materials: Glass, Plastic, Aluminium Alloy; against Glass, Plastic
Cellular Technologies: GSM, HSPA, LTE, 5G; against GSM, HSPA, UMTS, LTE, 4G

Samsung Galaxy M51, if you care about…

Battery Capacity: 7,000 mAh; against 4,500 mAh
RAM Capacity: 8 GB; against 6 GB
Fast Charge Power: 25 W; against 15 W
SIM Configurations: Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM; against Single Nano-SIM

Specification comparison

Show differences only

Performance

Specification	Galaxy A51 5G UW	Galaxy M51
Processor Model	Qualcomm SM7250 Snapdragon 765 5G	Qualcomm Snapdragon 730G
Processor Process Size	7 nm Best value	8 nm
Graphics GPU	Qualcomm Adreno 620	Qualcomm Adreno 618
Storage Type	UFS 2.1	UFS 2.1
Maximum CPU Clock	2.4 GHz Best value	2.2 GHz
Maximum Storage Capacity	128 GB	128 GB
AnTuTu Score	—	266,620
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 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
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 M51
Body Colors	Blue	Black, Blue, White
Body Thickness	8.6 mm Best value	9.5 mm
Body Width	73.4 mm	76.3 mm
Body Height	158.8 mm	163.9 mm
Weight	188.8 g Best value	213 g
Usable Surface	87.5 % Best value	86.7 %
Body Materials	Glass, Plastic, Aluminium Alloy Best value	Glass, Plastic

Battery

Specification	Galaxy A51 5G UW	Galaxy M51
Battery Capacity	4,500 mAh	7,000 mAh Best value
Battery Type	Li-Po	Li-Polymer
Fast Charge Power	15 W	25 W Best value
Battery Features	Fast Charging	Non-Removable, Rechargeable, Battery Level Indicator, Fast Charging

Display

Specification	Galaxy A51 5G UW	Galaxy M51
Display Aspect Ratio	20:9	20:9
Display Technology	Super AMOLED	Super AMOLED
Peak Display Brightness	—	420 nits
Display Diagonal	6.5″	6.7″ Best value
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,400 px	2,400 px
Display Pixel Density	405 ppi Best value	393 ppi
Display Refresh Rate	—	60 Hz
Display Features	Gorilla Glass 3, AMOLED	Gorilla Glass 3, Always-On Display, Capacitive Touch, Multi-Touch, Hole-Punch Notch, Frameless

Sensors

Specification	Galaxy A51 5G UW	Galaxy M51
Fingerprint Sensor Placement	Under Display	Side

Sensor

Specification	Galaxy A51 5G UW	Galaxy M51
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass

Software

Specification	Galaxy A51 5G UW	Galaxy M51
Operating System	Android 10	Android 10
OS Family	Android	Android
OS Version	10	10
OS Update Support	—	2 years
Google Services	—	Yes

Connectivity

Specification	Galaxy A51 5G UW	Galaxy M51
SIM Configurations	Single Nano-SIM	Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM 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 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, 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 802.11a/b/g/n/ac
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, 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	—	1.38 W/kg
SAR (EU) head	0.59 W/kg Best value	0.61 W/kg
SAR (EU) body	1.32 W/kg Best value	1.45 W/kg
Max. download speed	—	800 Mbps
Max. upload speed	—	150 Mbps

Audio

Specification	Galaxy A51 5G UW	Galaxy M51
Microphone Count	—	1
Audio Features	A2DP, LE, Loudspeaker	Loudspeaker, Hi-Res Audio, A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP

Technical

Specification	Galaxy A51 5G UW	Galaxy M51
Model numbers	SM-A516V	SM-M515F, SM-M515F/DSN