Huawei Y7 (2019) vs Alcatel 3L (2021) vs LG K42 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:
Differences only
Huawei Y7 (2019) Alcatel 3L (2021) LG K42
Released · Mar 07, 2019
Released · Apr 26, 2021
6.3-inch · 1520x720px
6.5-inch · 1600x720px
6.6-inch · 1600x720px
Dual camera
Triple camera
Quad camera
3GB · 32GB
4GB · 64GB
3GB · 32GB
4000 mAh
4000 mAh
4000 mAh
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Availability

Officially announced
Jan 12, 2021
Prices (MSRP)
€149

Design

Dimensions
6.26 x 3.03 x 0.32 inches
158.9 x 76.9 x 8.1 mm
6.52 x 2.98 x 0.34 inches
165.6 x 75.6 x 8.7 mm
6.50 x 3.02 x 0.33 inches
165 x 76.7 x 8.4 mm
Weight
5.93 oz / 168.0 g 6.84 oz / 194.0 g 6.49 oz / 184.0 g
Materials
Back: Plastic
Frame: Plastic
Resistance
Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch) 2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Left: Other; Right: Volume control, Lock/Unlock key Left: Volume control, Other; Right: Lock/Unlock key
Colors
Aurora blue, Midnight black, Coral red Jewelry Blue, Jewelry Black Gray, Green, Sky Blue, Red

Display

Size
6.3-inch, 79.93% screen-to-body 6.5-inch, 88.45% screen-to-body 6.6-inch, 83.04% screen-to-body
Type
IPS LCD IPS LCD IPS LCD
Resolution
1520x720px, 19:9 ratio, 269 PPI 1600x720px, 20:9 ratio, 269 PPI 1600x720px, 20:9 ratio, 266 PPI

Hardware

System chip
Snapdragon 450 SDM450 (14 nm) Mediatek Helio P22 MT6762D (12 nm) Mediatek Helio P22 MT6762 (12 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A53
Octa-core
1800 MHz
Cortex-A53
Octa-core
2000 MHz
Arm Cortex-A53
GPU
Adreno 506 PowerVR GE8320 PowerVR GE8320
Memory
3GB (LPDDR3)/32GB 4GB/64GB (eMMC 5.1) 3GB (LPDDR4)/32GB
3GB/64GB
Storage expansion
microSDXC up to 1000 GB microSDXC up to 512 GB microSDXC up to 2048 GB
OS
Android (8.1 Oreo) Android (11) Android (10)

Battery

Type
4000 mAh, Li - Ion 4000 mAh, Li - Polymer 4000 mAh
Charging
Fast charging
Charge speed
Wired: 10.0W

Camera

Rear
Dual camera Triple camera Quad camera
Main camera
13 MP (PDAF)
Aperture size: F1.8
48 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
13 MP (PDAF)
Focal length: 27 mm
Sensor size: 1/3.1"
Pixel size: 1.12 μm
Second camera
2 MP (Depth information) 2 MP (Macro)
Aperture size: F2.4
5 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Third camera
2 MP (Depth information)
Aperture size: F2.4
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED LED
Video recording
1080p (30 fps) 1080p (30 fps)
EIS
1080p
Front
8 MP (HDR) 8 MP (Wide Angle, HDR)
Video capture: 1080p
8 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
4.2 5.0 5.0
WLAN
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
USB
microUSB, USB 2.0 microUSB, USB 2.0 Type-C, USB 3.1
Sensors
Accelerometer, Compass, Ambient light sensor, Proximity sensor Accelerometer, Compass, Ambient light sensor, Proximity sensor Accelerometer, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Cell ID, Wi-Fi positioning
Other
NFC NFC

Multimedia

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

Cellular

LTE Bands
1, 3, 7, 8, 20 1, 3, 7, 8, 20, 28 1, 3, 7, 8, 20, 28
TDD Bands
38
3G Bands
5, 8, 2, 1 1, 2, 5, 8 1, 2, 5, 8
Data Speed
LTE-A Cat 6 (300/50 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 LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes Yes
SIM type
Nano SIM Nano SIM Nano SIM
HD Voice
Yes

Alternative variants

with 64GB storage
Memory 64GB
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