Google Pixel 4a vs LG K51 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.

9.1
Google Pixel 4a	LG K51
Released · Aug 20, 2020	Released · May 06, 2020
5.8-inch · 2340x1080px	6.5-inch · 1560x720px
Single camera	Triple camera
6GB · 128GB	3GB · 32GB
3140 mAh	4000 mAh
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Design

Dimensions
5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.04 oz (143.0 g)	7.17 oz (203.4 g)
Materials
Back: Plastic Frame: Plastic
Resistance
	Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Just black	Titan gray

Display

Size
5.8-inch	6.5-inch
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
OLED	IPS LCD
Refresh rate
60Hz
Screen-to-body
82.53 %	79.70 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730G SM7150-AA (8 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 618	IMG PowerVR GE8320
Memory
6GB (LPDDR4)/128GB (UFS 2.1)	3GB/32GB
Storage expansion
not expandable	microSDXC up to 2000 GB
OS
Android (12, 11, 10)	Android (10)

Battery

Type
3140 mAh, Li - Polymer	4000 mAh, Li - Ion
Charging
USB Power Delivery
Charge speed
Wired: 18.0W

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Single camera	Triple camera
Main camera
12.2 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS	1080p Picture-taking during video recording
Front
8 MP Video capture: 1080p	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.1	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 2.0
Hearing aid compatible
M3/T4	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass
Other
NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
aptX, aptX-HD	DTS:X Virtual Surround
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 39, 40, 41	Bands 41
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM, eSIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020 FCC ID value: A4RG025J	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 1.18 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.00 W/kg	Head: 0.66 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.27 W/kg Phablet: 3.96 W/kg

Buyers information

MSRP
$ 349	$ 200
In The Box
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool	Charger, USB Cable, SIM Ejector

Availability

Officially announced
Aug 03, 2020	May 06, 2020

Alternative variants

for Boost Mobile


OS	Android (9.0 Pie)
4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 66(AWS-3), 71(600)

for Verizon


4G (FDD)	Bands 2, 3, 4, 5, 7, 12, 13, 20, 66(AWS-3)
MSRP	$ 170

for Metro


4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 38, 41
3G	Bands 5, 4, 2, 1

Links

Full specifications
Google Pixel 4a Specs	LG K51 Specs
PhoneArena Review
Google Pixel 4a Review
User Reviews
Google Pixel 4a User Reviews	LG K51 User Reviews