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Samsung Galaxy M51 vs Samsung Galaxy A51 vs Samsung Galaxy M31

Last Updated: Wed, 30 Sep'20

Show Differences onlyCommon Specs only

Samsung Galaxy M51

Samsung Galaxy A51

Samsung Galaxy M31

Show Differences onlyCommon Specs only

Samsung Galaxy M51

Samsung Galaxy A51

Samsung Galaxy M31

General

Height
6.40 inches
6.24 inches
6.29 inches
Width
3.05 inches
2.90 inches
2.96 inches
Thickness
0.33 inches
0.31 inches
0.35 inches
Weight
213 g
172 g
191 g
Color
Celestial Black, Electric Blue
Prism Crush Black, Prism Crush White, Prism Crush Blue
Ocean Blue, Space Black
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame

Screen Size
6.7 inches
6.5 inches
6.4 inches
Display Type
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
Display Resolution
1080 x 2340 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
385 ppi
405 ppi
411 ppi
Aspect Ratio
19.5:9
20:9
19.5:9
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Screen to Body Ratio
87.40%
87.4%
84.1%

OS
Android 10, One UI 2.1
Android 10, One UI 2.1
Android 10, One UI 2.5
GPU
Adreno 618
Mali-G72 MP3
Mali-G72 MP3
Chipset GP
Qualcomm SDM730 Snapdragon 730G (8 nm)
Exynos 9611 (10nm)
Exynos 9611 (10nm)
CPU
Octa-core (2x2.2 GHz Kryo 470 Gold, 6x1.8 GHz Kryo 470 Silver)
Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)
Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)

RAM/Internal Storage
128GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Expandable Memory
microSDXC, up to 512GB
microSDXC (dedicated slot)
microSDXC (dedicated slot)

Quad Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|12 MP, f/2.2, 123degree (ultrawide)|5 MP, f/2.4, (macro)|5 MP, f/2.4, (depth)
48 MP, f/2.0, 26mm (wide), 1/2.0, 0.8 micron|12 MP, f/2.2, 12mm (ultrawide)|5 MP, f/2.4, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)
Autofocus
PDAF
PDAF
PDAF
Back Camera Video
4K30fps, 1080p30fps
4K30fps, 1080p30/120fps; gyro-EIS
2160p30fps, 1080p30fps, gyro-EIS
Back Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
LED flash, panorama, HDR

Single Camera
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
32 MP, f/2.2, 26mm (wide), 1/2.8, 0.8 micron
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
Front Camera Video
1080p30fps
1080p30fps
1080p30fps
Front Camera Features
HDR
HDR
HDR

Battery Capacity
7000 mAh battery
4000 mAh battery
6000 mAh battery
User Replaceable
non-removable
Non-removable
Non-removable
Talk Time
Upto 64 Hours
Up to 32 (Hours 4G LTE)
Music Time
Upto 182 Hours
Up to 87 (Hours)
Charging
Fast charging 25W|Reverse Charging|100% in 115 mins
Fast charging 15W
Fast battery charging 15W
Battery Type
Li-Po
Li-Po
Li-Po

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, BDS
Radio
FM radio
FM radio
FM radio, RDS, recording
USB
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector
NFC
Yes
Yes
SIM
Dual SIM (Nano-SIM, dual stand-by)
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE
GSM / HSPA / LTE

Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Announced On
2020, August 31
2019, December
2020, February 25
Status
Available. Released 2020, September 17
Available. Released 2020, January 29
Available. Released 2020, March 04