Samsung Galaxy S7 vs Samsung Galaxy M31

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Display

Size

5.1 inches
6.4 inches

Resolution

2560 x 1440 pixels,
576 PPI
2340 x 1080 pixels, 19.5:9 ratio,
403 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

72.30 %
83.97 %

Peak brightness

 
420 cd/m2 (nit)

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip

Qualcomm Snapdragon 820 MSM8996
Exynos 9611

Processor

Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm

GPU

Adreno 530
Mali-G72 MP3

RAM

4GB LPDDR4
6GB LPDDR4

Internal storage

32GB, available to use: 24.5 GB
64GB (UFS 2.1), available to use: 49 GB

Storage expansion

microSDXC up to 200 GB
microSDXC up to 512 GB

OS

Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow), Samsung TouchWiz UI
Android (10), Samsung One UI

Battery

Capacity

3000 mAh
6000 mAh

Type

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging

Max charge speed

 
Wired: 15.0W

Camera

Rear

Single camera
Quad camera

Main camera

12 MP (OIS, PDAF)
64 MP (PDAF)

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.5"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Second camera

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
5 MP (Macro)

Specifications

 
Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera

 
5 MP (Depth information)

Specifications

 
Aperture size: F2.2

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)

Features

HDR, Picture-taking during video recording, Video calling, Video sharing
Hyperlapse, EIS

Front

5 MP (HDR)
32 MP (HDR, Slow-motion videos)

Design

Dimensions

5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)

Weight

5.36 oz (152.0 g)
the average is 6.2 oz (176 g)
6.74 oz (191.0 g)
the average is 6.2 oz (176 g)

Materials

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Plastic; Frame: Plastic

Resistance

Water, Dust; IP 68
 

Biometrics

Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Black, Gold, Silver, Pink, White, Pink gold
Blue, Black, Red

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 18(800 Lower), 19(800 Upper), 20(800 DD), 29(700 d), 30(2300 WCS)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

Yes
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

aptX-HD
Dolby Atmos

Screen mirroring

DLNA, Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

microUSB, USB 2.0
Type-C (reversible), USB 2.0

Features

Charging, OTG, Mass storage device
Charging

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass

Other

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC

Regulatory Approval

FCC approval

 
 

Date approved

Feb 12, 2016
Feb 07, 2020

FCC ID value: A3LSMG930F link
FCC ID value: A3LSMM315F link

Measured SAR

 
 

Head

0.43 W/kg
0.42 W/kg

Body

1.06 W/kg
0.41 W/kg

Simultaneous Transmission

1.59 W/kg
1.54 W/kg

Wireless Router

1.03 W/kg
0.74 W/kg

Buyers information

In The Box

 
15W fast charger, Data cable, Ejection pin, User Manual

Price

$ 699
€ 240
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