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Samsung Galaxy M31s vs LG K31 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.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy M31s
LG K31
Samsung Galaxy M31s LG K31
Released · Aug 06, 2020
Released · Aug 21, 2020
6.5-inch · 2400x1080px
5.7-inch · 1520x720px
Quad camera
Dual camera
6GB · 128GB
2GB · 32GB
6000 mAh
3000 mAh

Availability

Officially announced
Jul 30, 2020
Prices (MSRP)
€310 $150

Design

Dimensions
6.27 x 2.93 x 0.37 inches
159.3 x 74.4 x 9.3 mm 		5.82 x 2.8 x 0.34 inches
147.8 x 71.1 x 8.6 mm
Weight
7.16 oz (203.0 g) 5.15 oz (146.0 g)
Materials
Back: Plastic
Frame: Plastic
Resistance
Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Mirage black, Mirage blue Silver

Display

Size
6.5-inch, 86.06% screen-to-body 5.7-inch, 77.13% screen-to-body
Type
Super AMOLED IPS LCD
Resolution
2400x1080px, 20:9 ratio, 405 PPI 1520x720px, 19:9 ratio, 295 PPI
Protection
Corning Gorilla Glass 3

Hardware

System chip
Samsung Exynos 9611 (10 nm) MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53 		Octa-core
2000 MHz
Arm Cortex-A53
GPU
Mali-G72 MP3 IMG PowerVR GE8320
Memory
6GB (LPDDR4)/128GB (UFS 2.1)
8GB/128GB 		2GB/32GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 32 GB
OS
Android (11, 10) Android (10)

Battery

Type
6000 mAh 3000 mAh
Charging
Fast charging
Reverse wired charging
Charge speed
Wired: 25.0W

Camera

Rear
Quad camera Dual camera
Main camera
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm 		13 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3"
Pixel size: 1.12 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2 		5 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (480 fps)
Hyperlapse, EIS 		1080p (30 fps)
Front
32 MP
Video capture: 4K UHD (30 fps) 		5 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac 		b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
USB
Type-C, USB 2.0 microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning GPS, A-GPS, Cell ID, Wi-Fi positioning
Other
NFC UMA (Wi-Fi Calling)

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands
38, 40, 41 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Sep 14, 2020
FCC ID value: ZNFK300AM
Measured SAR
Head: 0.47 W/kg
Body: 0.91 W/kg
Simultaneous Transmission: 1.26 W/kg
Wireless Router: 1.02 W/kg

Alternative variants

with 8GB RAM
Memory 8GB
FCC OKs Cingular\'s purchase of AT&T Wireless