LG G5 vs Samsung Galaxy A51 5G vs Google Pixel 4a

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

Display

Size:

5.3 inches
6.5 inches
5.8 inches

Resolution:

2560 x 1440 pixels, 554 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

IPS LCD
Super AMOLED
OLED

Screen-to-body:

70.15 %
87.37 %
82.53 %

Colors:

16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 820 8996
Samsung Exynos 980
Qualcomm Snapdragon 730 SM7150-AA

Processor:

Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 530
Mali-G76 MP5
Adreno 618

RAM:

4GB LPDDR4
6GB LPDDR4
6GB LPDDR4

Internal storage:

32GB, available to use: 22.4 GB
128GB, available to use: 105.3 GB
128GB, not expandable

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow), LG UX UI
Android (10), Samsung One UI
Android (11, 10)

Battery

Capacity:

2800 mAh
4500 mAh
3140 mAh

Type:

Li - Ion, User replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 3.0
Fast charging
USB Power Delivery

Max charge speed:

Wired: 25.0W
Wired: 18.0W

Camera

Rear:

Dual camera
Quad camera
Single camera

Main camera:

16 MP (OIS, Laser autofocus)
48 MP (PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.4; Focal Length: 9 mm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

HDR, Time-lapse video, Picture-taking during video recording, Video calling, Video sharing
Hyperlapse, EIS
EIS

Front:

8 MP
32 MP (HDR)
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.88 x 2.91 x 0.29 inches (149.4 x 73.9 x 7.3 mm)
6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

5.61 oz (159.0 g)
6.60 oz (187.0 g)
5.04 oz (143.0 g)

Materials:

Back: Metal
Back: Plastic; Frame: Aluminum
Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Fingerprint (touch)

Keys:

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

Colors:

Gold, Gray, Silver, Pink
Prism cube black
Just black

Cellular

5G:

n41, n71, SA, NSA

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM, eSIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

aptX-HD
Dolby Atmos
aptX, aptX-HD

Screen mirroring:

DLNA, Wireless screen share, SlimPort
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0
5.1

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

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

Features:

Mass storage device, Video out, Charging
Charging, OTG
Charging

Location:

GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC, UMA (Wi-Fi Calling), Infrared, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC

Hearing aid compatible:

M3, T3
M3, T3
M3, T4

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval

FCC approval:

Date approved:

Jul 15, 2020
Jun 25, 2020

FCC ID value:

A3LSMA516U link
A4RG025J link

Measured SAR:

Head:

1.18 W/kg
1.18 W/kg

Body:

1.20 W/kg
1.19 W/kg

Simultaneous Transmission:

3.25 W/kg
1.59 W/kg

Wireless Router:

1.37 W/kg
1.00 W/kg

Buyers information

Price:

$ 500
$ 349

User Manual:

This is the official Samsu​ng Galaxy A51 5G User Guide in English provided from the manufacturer.

In The Box:

A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Feb 21, 2016
Apr 08, 2020
Aug 03, 2020
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