LG K42 vs Alcatel 3X (2019) Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.6 inches
6.5 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 266 PPI
1600 x 720 pixels, 20:9 ratio, 269 PPI

Technology:

IPS LCD

Screen-to-body:

83.04 %
82.25 %

Features:

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Mediatek Helio P22 MT6762 (12 nm)
MediaTek MT6763V/V

Processor:

Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit
Octa-core, 2000 MHz, 64-bit

GPU:

PowerVR GE8320
ARM Mali G71 MP2

RAM:

3GB LPDDR4
4GB

Internal storage:

32GB
64GB, available to use: 55 GB

Storage expansion:

microSDXC up to 2048 GB
microSDXC up to 128 GB

Device type:

Smartphone
Smartphone

OS:

Android (10)
Android (9.0 Pie)

Battery

Capacity:

4000 mAh
4000 mAh

Type:

Not user replaceable
Not user replaceable

Camera

Rear:

Quad camera
Triple camera

Main camera:

13 MP (PDAF)
16 MP (PDAF)

Specifications:

Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm

Second camera:

5 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

2 MP (Macro)
5 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Flash:

LED
Dual LED

Video recording:

1920x1080 (Full HD)
1920x1080 (Full HD) (30 fps)

Front:

8 MP
8 MP

Video capture:

1920x1080 (Full HD)
1280x720 (HD) (30 fps)

Design

Dimensions:

6.50 x 3.02 x 0.33 inches (165 x 76.7 x 8.4 mm)
6.49 x 2.98 x 0.33 inches (164.8 x 75.8 x 8.39 mm)

Weight:

6.49 oz (184.0 g)
6.28 oz (178.0 g)

Resistance:

Yes; MIL-STD-810 certified

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Keys:

Left: Volume control, Other; Right: Lock/Unlock key
Left: Other; Right: Volume control, Lock/Unlock key

Colors:

Gray, Green, Sky Blue, Red
Jewelry Black

Cellular

4G (FDD):

Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

4G (TDD):

Bands 38(2600)
Bands 38(2600), 40(2300)

3G:

Bands 1(2100), 2(1900), 5(850), 8(900)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE-A, 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 11 Mbit/s, UMTS

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

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):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
4.2

Wi-Fi:

802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features:

Charging
Charging

Location:

GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Compass
Accelerometer

Other:

NFC

Hearing aid compatible:

M3

Availability

Officially announced:

Sep 05, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless