LG K31 vs Samsung Galaxy A02s Specs Comparison

Design

Dimensions
5.82 x 2.8 x 0.34 inches 147.8 x 71.1 x 8.6 mm	6.46 x 2.99 x 0.36 inches 164.2 x 75.9 x 9.1 mm
Weight
5.15 oz (146.0 g)	6.91 oz (196.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Resistance
Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Silver	Black, White, Blue

Display

Size
5.7-inch	6.5-inch
Resolution
1520x720px, 19:9 ratio, 295 PPI	1600x720px, 20:9 ratio, 270 PPI
Technology
IPS LCD	IPS LCD
Refresh rate
	60Hz
Screen-to-body
77.13 %	81.80 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm)	Qualcomm Snapdragon 450 SDM450 (14 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A53	Octa-core 8x 1.8GHz Cortex-A53
GPU
IMG PowerVR GE8320	Adreno 506
RAM
2GB	3GB
Internal storage
32GB, available to use: 17 GB	32GB (eMMC 5.1), available to use: 20.5 GB
Storage expansion
microSDXC up to 32 GB	microSDXC up to 1024 GB
OS
Android (10)	Android (12, 11, 10)

Battery

Capacity
3000 mAh	5000 mAh
Type
	Li - Polymer
Charging
	Samsung Adaptive Fast Charging
Charge speed
	Wired: 15.0W

Camera

Rear
Dual camera	Triple camera
Main camera
13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm	13 MP (Autofocus) Aperture size: F2.2
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	2 MP (Macro) Aperture size: F2.4
Third camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD) (30 fps)
Front
5 MP, Video capture: 1920x1080 (Full HD)	5 MP

Connectivity & Features

Bluetooth
5.0	4.2
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 b,g,n,802.1x Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer
Other
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
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)	Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 5(850), 8(900)
Data Speed
LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE Cat 4 (150/50 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	Date approved: Feb 07, 2021 FCC ID value: ZCASMA025U
Measured SAR
Head: 0.47 W/kg Body: 0.91 W/kg Simultaneous Transmission: 1.26 W/kg Wireless Router: 1.02 W/kg	Head: 1.00 W/kg Body: 0.85 W/kg Simultaneous Transmission: 1.40 W/kg Wireless Router: 0.85 W/kg

Buyers information

MSRP
$ 150
In The Box
Travel Adapter, USB Cable	Power brick, USB Cable, Headphones, Sim Card extractor tool

Availability

Officially announced
	Nov 24, 2020

Alternative variants

with 64GB storage

RAM	4GB
Internal storage	64GB

Links

Full specifications
LG K31 Specs	Samsung Galaxy A02s Specs
User Reviews
	Samsung Galaxy A02s User Reviews