LG K31 vs ZTE Axon 40 Pro Specs Comparison

Availability

Officially announced
	May 09, 2022
Prices (MSRP)
$150

Design

Dimensions
5.82 x 2.8 x 0.34 inches 147.8 x 71.1 x 8.6 mm	6.41 x 2.87 x 0.34 inches 162.9 x 72.9 x 8.7 mm
Weight
5.15 oz / 146.0 g	7.02 oz / 199.0 g
Materials
Back: Plastic Frame: Plastic
Resistance
Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Silver

Display

Size
5.7-inch, 77.13% screen-to-body	6.7-inch, 90.50% screen-to-body
Type
IPS LCD	AMOLED, 144Hz
Resolution
1520x720px, 19:9 ratio, 295 PPI	2400x1080px, 20:9 ratio, 395 PPI

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm)	Snapdragon 870 SM8250-AC (7 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A53	1x3.2GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80 GHz Kryo 585
GPU
IMG PowerVR GE8320	Adreno 650
Memory
2GB/32GB	8GB/128GB (UFS 3.1) 12GB/256GB
Storage expansion
microSDXC up to 32 GB	not expandable
OS
Android (10)	Android (12)

Battery

Type
3000 mAh	5000 mAh
Charging
	Fast charging
Charge speed
	Wired: 65.0W

Camera

Rear
Dual camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm	108 MP (PDAF) Aperture size: F1.9 Sensor size: 1/1.52”
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 16 mm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	Dual LED
Video recording
1080p (30 fps)	4K UHD (60 fps), 1080p (60 fps)
Front
5 MP Video capture: 1080p	16 MP

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n	a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
microUSB, USB 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
UMA (Wi-Fi Calling)	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
	n1, n2, n3, n5, n7, n28, n38, n40, n41, n66, n77, n78, SA, NSA
4G (FDD) Bands
2, 4, 5, 12, 13, 25, 26, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66
4G (TDD) Bands
41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Dual 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 12GB RAM and 256GB internal storage

Memory	12GB/256GB

Links

Full specifications
LG K31 Specs	ZTE Axon 40 Pro Specs