Alcatel 3X (2019) vs LG K31 Specs Comparison

Design

Dimensions
6.49 x 2.98 x 0.33 inches 164.8 x 75.8 x 8.39 mm	5.82 x 2.8 x 0.34 inches 147.8 x 71.1 x 8.6 mm
Weight
6.28 oz (178.0 g)	5.15 oz (146.0 g)
Materials
	Back: Plastic Frame: Plastic
Resistance
	Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Left: Other; Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Jewelry Black	Silver

Display

Size
6.5-inch	5.7-inch
Resolution
1600x720px, 20:9 ratio, 269 PPI	1520x720px, 19:9 ratio, 295 PPI
Technology
	IPS LCD
Screen-to-body
82.25 %	77.13 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek MT6763V/V	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 2000 MHz	Octa-core 2000 MHz Arm Cortex-A53
GPU
ARM Mali G71 MP2	IMG PowerVR GE8320
RAM
4GB	2GB
Internal storage
64GB, available to use: 55 GB	32GB, available to use: 17 GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 32 GB
OS
Android (9.0 Pie)	Android (10)

Battery

Capacity
4000 mAh	3000 mAh

Camera

Rear
Triple camera	Dual camera
Main camera
16 MP (PDAF) Aperture size: F1.8 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 17 mm Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
Dual LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD) (30 fps)
Front
8 MP, Video capture: 1280x720 (HD) (30 fps)	5 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	microUSB, USB 2.0
Hearing aid compatible
M3	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	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300)	Bands 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 Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 11 Mbit/s, UMTS	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	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

Buyers information

MSRP
	$ 150
In The Box
	Travel Adapter, USB Cable

Availability

Officially announced
Sep 05, 2019

Links

Full specifications
Alcatel 3X (2019) Specs	LG K31 Specs