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Samsung Galaxy M51 vs Samsung Galaxy M31 vs Samsung Galaxy M40

Last Updated: Sat, 19 Sep'20

Show Differences onlyCommon Specs only

Samsung Galaxy M51

Samsung Galaxy M31

Samsung Galaxy M40

Show Differences onlyCommon Specs only

Samsung Galaxy M51

Samsung Galaxy M31

Samsung Galaxy M40

Basic Information

Height
6.40 inches
6.29 inches
6.11 inches
Width
3.05 inches
2.96 inches
2.91 inches
Thickness
0.33 inches
0.35 inches
0.31 inches
Weight
213 g
191 g
168 g
Color
Celestial Black, Electric Blue
Ocean Blue, Space Black
Sweater Blue, Midnight Blue
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame
Front glass, plastic body

Screen Size
6.7 inches
6.4 inches
6.3 inches
Display Type
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
PLS TFT capacitive touchscreen
Display Resolution
1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
385 ppi
411 ppi
409 ppi
Aspect Ratio
19.5:9
19.5:9
19.5:9
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Screen to Body Ratio
87.40%
84.1%
84.9%

OS
Android 10, One UI 2.1
Android 10, One UI 2.5
Android 9.0 (Pie) One UI
GPU
Adreno 618
Mali-G72 MP3
Adreno 612
Chipset GP
Qualcomm SDM730 Snapdragon 730G (8 nm)
Exynos 9611 (10nm)
Qualcomm SDM675 Snapdragon 675 (11 nm)
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 (2x2.0 GHz Kryo 460 Gold 6x1.7 GHz Kryo 460 Silver)

RAM/Internal Storage
128GB 6GB RAM, 128GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Memory
microSDXC, up to 512GB
microSDXC (dedicated slot)
microSD, up to 1 TB (uses shared SIM 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)
Autofocus
PDAF
PDAF
PDAF
Back Camera Video
4K30fps, 1080p30fps
2160p30fps, 1080p30fps, gyro-EIS
2160p30fps, 1080p30fps
Back Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
LED flash, panorama, HDR
Triple Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.2, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)
32 MP, f/1.7, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1.12 micron|5 MP, f/2.2, depth sensor

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

HeadPhone Jack
Yes
Yes
Yes
Loudspeaker
Yes
Yes
Yes
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated mic|Dolby Atmos sound

Battery Capacity
7000 mAh battery
6000 mAh battery
3500 mAh
User Replaceable
non-removable
Non-removable
Non-removable
Talk Time
Upto 64 Hours
Music Time
Upto 182 Hours
Charging
Fast charging 25W|Reverse Charging|100% in 115 mins
Fast battery 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, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Radio
FM radio
FM radio, RDS, recording
FM radio
USB
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector
NFC
Yes
Yes
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Hybrid 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 (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

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