Samsung Galaxy J7 Prime vs Samsung Galaxy M31s Specs Comparison

Display

Size
5.5-inch	6.5-inch
Resolution
1920 x 1080 px, 401 PPI	2400 x 1080 px, 20:9 ratio, 405 PPI
Technology
IPS LCD	Super AMOLED
Screen-to-body
73.39 %	86.06 %
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)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit	Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU
Mali-T830 MP2	Mali-G72 MP3
RAM
3GB (LPDDR3)	6GB (LPDDR4)
Internal storage
16GB, available to use: 10.3 GB	128GB (UFS 2.1), available to use: 106.4 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
Device type
Smartphone	Smartphone

Battery

Capacity
3300 mAh	6000 mAh
Type
Li - Ion, Not user replaceable	Not user replaceable
Charging
	Fast charging, Reverse wired charging
Max charge speed
	Wired: 25.0W

Camera

Rear
Single camera	Quad camera
Main camera
13 MP (Autofocus, CMOS image sensor) Specifications: Aperture size: F1.9	64 MP (PDAF) Specifications: Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
	12 MP (Ultra-wide) Specifications: Aperture size: F2.2
Third camera
	5 MP (Macro) Specifications: Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Specifications: Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Features: Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps) Features: Hyperlapse, EIS
Front
8 MP	32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)

Design

Dimensions
5.97 x 2.95 x 0.31 inches (151.7 x 75 x 8 mm)	6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
Weight
5.89 oz(167.0 g)	7.16 oz(203.0 g)
Materials
Back: Metal
Biometrics
Fingerprint (touch)	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	Mirage black, Mirage blue

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), 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

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM

Connectivity & Features

Bluetooth
4.1	5.0
Wi-Fi
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, Features: Charging, OTG, Mass storage device	Type-C (reversible), USB 2.0, Features: Charging, OTG
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass
Other
ANT+, Tethering, Computer sync, OTA sync	NFC

Regulatory Approval

FCC approval
Date approved: Aug 18, 2016 FCC ID value: A3LSMG610F
Measured SAR
Head: 0.43 W/kg Body: 1.03 W/kg Simultaneous Transmission: 1.09 W/kg Wireless Router: 1.03 W/kg

Buyers information

MSRP
	€ 310

Availability

Officially announced
Sep 01, 2016	Jul 30, 2020

Alternative variants

Dual SIM	Yes

with 8GB RAM

RAM	8GB

Links

Full specifications
Samsung Galaxy J7 Prime Specs	Samsung Galaxy M31s Specs
User Reviews
Samsung Galaxy J7 Prime User Reviews