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LG V20 vs Google Pixel 3a vs Samsung Galaxy S21

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

Comparison mode:

Display

Size:

5.7 inches
5.6 inches
6.2 inches

Resolution:

2560 x 1440 pixels, 513 PPI
2220 x 1080 pixels, 18.5:9 ratio, 444 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

IPS LCD
OLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptive)

Screen-to-body:

72.40 %
73.93 %
86.06 %

Colors:

16 777 216

Peak brightness:

1300 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Additional display:

160 pixels 1040 x, Touch screen: Yes, Capacitive

Hardware

System chip:

Qualcomm Snapdragon 820 MSM8996
Qualcomm Snapdragon 670 SDM670
Qualcomm Snapdragon 888

Processor:

Quad-core, 2150 MHz, Kryo, 64-bit, 14 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 530
Adreno 615
Adreno 660

RAM:

4GB LPDDR4
4GB LPDDR4
8GB LPDDR5

Internal storage:

64GB, available to use: 50 GB
64GB (eMMC), not expandable
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.0 Oreo, 7.0 Nougat), LG UX UI
Android (12, 11, 10, 9.0 Pie)
Android (12, 11), Samsung One UI

Battery

Capacity:

3200 mAh
3000 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

Qualcomm Quick Charge 3.0
USB Power Delivery
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Dual camera
Single camera
Triple camera

Main camera:

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

Specifications:

Aperture size: F1.8; Focal length: 29 mm; Sensor size: 1/2.8"
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

8 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.4; Focal Length: 12 mm; Sensor size: 1/3.2"
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Continuous autofocus, Object tracking, EIS, Video calling, Video sharing
EIS
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

5 MP (Wide Angle)
8 MP
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.29 x 3.07 x 0.30 inches (159.7 x 78.1 x 7.6 mm)
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

6.14 oz (174.0 g)
5.19 oz (147.0 g)
6.03 oz (171.0 g)

Materials:

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

Resistance:

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

Biometrics:

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

Keys:

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

Colors:

Gray, Silver, Pink
Black, Purple, White
Phantom pink, Violet, Gray, White

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

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), 32(1500 L-band), 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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

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

Data Speed:

LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 11 (600/75 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, UMTS

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

32-Bit DAC, aptX-HD
aptX-HD
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

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

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.2
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2

Features:

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

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M3, T3
M3, T3

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Feb 25, 2019
Dec 08, 2020

FCC ID value:

A4RG020G
A3LSMG991U

Measured SAR:

Head:

1.15 W/kg
0.36 W/kg

Body:

1.13 W/kg
1.08 W/kg

Simultaneous Transmission:

1.59 W/kg
3.96 W/kg

Wireless Router:

1.19 W/kg
1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 399
$ 800

In The Box:

18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Sep 06, 2016
May 07, 2019
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless