LG V30 vs Samsung Galaxy A51 vs Samsung Galaxy A31 - specs comparison

Display

Size:

6.0 inches

6.5 inches

6.4 inches

Resolution:

2880 x 1440 pixels, 18:9 ratio, 537 PPI

2400 x 1080 pixels, 20:9 ratio, 405 PPI

2400 x 1080 pixels, 20:9 ratio, 411 PPI

Technology:

P-OLED

Super AMOLED

Screen-to-body:

81.21 %

87.37 %

84.88 %

Features:

HDR video support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

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

60Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 835 MSM8998

Samsung Exynos 9611

MediaTek Helio P65 MT6768

Processor:

Octa-core, 2450 MHz, Kryo 280, 64-bit, 10 nm

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU:

Adreno 540

Mali-G72 MP3

Mali-G52 MC2

RAM:

4GB LPDDR4

Internal storage:

64GB, available to use: 50 GB

128GB, available to use: 105.9 GB

64GB (eMMC 5.1), available to use: 46.2 GB

Storage expansion:

microSDXC up to 2000 GB

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo, 7.1 Nougat), LG UX UI

Android (10), Samsung One UI

Battery

Capacity:

3300 mAh

4000 mAh

5000 mAh

Type:

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Qualcomm Quick Charge 3.0, Qi and Powermat wireless charging

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera

Quad camera

Main camera:

16 MP (OIS, Laser and PDAF)

48 MP (PDAF)

Specifications:

F1.6; 30 mm; 1/3.09"; 1 μm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

13 MP (Ultra-wide)

12 MP (Ultra-wide)

8 MP (Ultra-wide)

Specifications:

Aperture size: F1.9; Focal Length: 12 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

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

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

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

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

Specifications:

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

Aperture size: F2.4

Video recording:

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

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

1920x1080 (Full HD) (30 fps)

Features:

HDR, Time-lapse video, Continuous autofocus, Object tracking, EIS, Video calling, Video sharing

Hyperlapse, EIS

Front:

5 MP (Wide Angle, Autofocus)

32 MP (HDR)

20 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.97 x 2.97 x 0.29 inches (151.7 x 75.4 x 7.39 mm)

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)

Weight:

5.57 oz (158.0 g)

6.07 oz (172.0 g)

6.53 oz (185.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Back: Plastic; Frame: Plastic

Back: Plastic

Resistance:

Water, Dust, Shock; IP68; MIL-STD-810 certified

Biometrics:

2D Face unlock, Fingerprint (touch)

2D Face unlock, In-screen fingerprint

In-screen fingerprint

Keys:

Left: Volume control, Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Black, Silver, Purple, Blue

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 66(AWS-3)

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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

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

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

UMTS:

850, 900, 1900, 2100 MHz

850, 900, 1700/2100, 1900, 2100 MHz

850, 900, 1900, 2100 MHz

Data Speed:

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

32-Bit DAC, aptX-HD

Dolby Atmos

Screen mirroring:

DLNA, Wireless screen share

Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation, Video recording

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 3.1

Type-C (reversible), USB 2.0

Features:

Video out, Charging

Charging, OTG

Location:

GPS, A-GPS, Glonass, Galileo

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

Sensors:

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

Accelerometer, Gyroscope, Compass

Other:

NFC, UMA (Wi-Fi Calling)

NFC, ANT+

NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Nov 28, 2019

FCC ID value:

A3LSMA515FN link

Measured SAR:

Head:

0.89 W/kg

Body:

1.18 W/kg

Simultaneous Transmission:

1.56 W/kg

Wireless Router:

1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

$ 400

€ 300

User Manual:

This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Aug 31, 2017

Dec 12, 2019

Mar 24, 2020