Samsung Galaxy J7 Prime vs Samsung Galaxy M31 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Samsung Galaxy J7 Prime Samsung Galaxy M31
Released · Sep 01, 2016
Released · Mar 05, 2020
5.5-inch
6.4-inch
Single camera
Quad camera
3GB · 16GB
6GB · 64GB
3300 mAh
6000 mAh

Design

Dimensions
5.97 x 2.95 x 0.31 inches
151.7 x 75 x 8 mm
6.27 x 2.96 x 0.35 inches
159.2 x 75.1 x 8.9 mm
Weight
5.89 oz (167.0 g) 6.74 oz (191.0 g)
Materials
Back: Metal Back: Plastic
Frame: Plastic
Biometrics
Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Rose gold Blue, Black, Red

Display

Size
5.5-inch 6.4-inch
Resolution
1920x1080px, 401 PPI 2340x1080px, 19.5:9 ratio, 403 PPI
Technology
IPS LCD Super AMOLED
Screen-to-body
73.39 % 83.97 %
Peak brightness
420 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass), Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm) Exynos 9611 (10 nm)
Processor
Octa-core
1600 MHz
ARM Cortex-A53
Octa-core
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Mali-T830 MP2 Mali-G72 MP3
RAM
3GB (LPDDR3) 6GB (LPDDR4)
Internal storage
16GB, available to use: 10.3 GB 64GB (UFS 2.1), available to use: 49 GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 512 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow), Samsung Experience UI Android (11, 10), Samsung One UI

Battery

Capacity
3300 mAh 6000 mAh
Type
Li - Ion Li - Polymer
Charging
Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Single camera Quad camera
Main camera
13 MP (Autofocus, CMOS image sensor)
Aperture size: F1.9
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.2
Focal Length: 25 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps)
Video calling, Video sharing
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
Hyperlapse, EIS
Front
8 MP 32 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1 5.0
WLAN
802.11 b,g,n
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0 Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer Accelerometer, Gyroscope, Compass
Other
ANT+, Tethering, Computer sync, OTA sync NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) 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)
4G (TDD)
Bands 38(2600), 40(2300) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Aug 18, 2016
FCC ID value: A3LSMG610F
Date approved: Feb 07, 2020
FCC ID value: A3LSMM315F
Measured SAR
Head: 0.43 W/kg
Body: 1.03 W/kg
Simultaneous Transmission: 1.09 W/kg
Wireless Router: 1.03 W/kg
Head: 0.42 W/kg
Body: 0.41 W/kg
Simultaneous Transmission: 1.54 W/kg
Wireless Router: 0.74 W/kg

Buyers information

MSRP
€ 240
In The Box
15W fast charger, Data cable, Ejection pin, User Manual

Availability

Officially announced
Sep 01, 2016 Feb 25, 2020

Alternative variants

Dual SIM Yes
with 128GB storage
Internal storage 128GB
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