LG G8 ThinQ vs Samsung Galaxy A51 Specs Comparison

Availability

Officially announced
Feb 24, 2019	Dec 12, 2019
Prices (MSRP)
$820	$400

Design

Dimensions
5.98 x 2.83 x 0.33 inches 151.9 x 71.8 x 8.4 mm	6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm
Weight
5.89 oz / 167.0 g	6.07 oz / 172.0 g
Materials
Back: Glass (Corning Gorilla Glass 6) Frame: Aluminum	Back: Plastic Frame: Plastic
Resistance
Water, Dust; IP68; MIL-STD-810 certified
Biometrics
3D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Aurora black, Platinum gray, Carmine red	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
6.1-inch, 83.66% screen-to-body	6.5-inch, 87.37% screen-to-body
Type
OLED, HDR, 600 nits	Super AMOLED, 60Hz
Resolution
3120x1440px, 19.5:9 ratio, 563 PPI	2400x1080px, 20:9 ratio, 405 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
3 (Average)	1.7 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 855 (7 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Adreno 640	Mali-G72 MP3
Memory
6GB (LPDDR4)/128GB	4GB (LPDDR4)/128GB 6GB/128GB
Storage expansion
microSDXC up to 2000 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie)	Android (11, 10)

Battery

Type
3500 mAh, Li - Polymer	4000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 3.0, USB Power Delivery Qi wireless charging	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5 Focal length: 27 mm Sensor size: 1/2.6" Pixel size: 1.4 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
16 MP (Ultra-wide) Aperture size: F1.9 Focal Length: 16 mm Sensor size: 1/3.1" Pixel size: 1 μm	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
4K UHD (60 fps), 1080p (60 fps), 720p (240 fps) HDR, Time-lapse video, EIS, Video calling, Video sharing	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS
Front
8 MP (Dual-Camera, Autofocus) Video capture: 1080p	32 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 3.1	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, UMA (Wi-Fi Calling)	NFC, ANT+

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
32-Bit DAC, DTS:X Virtual Surround, aptX-HD	Dolby Atmos
Screen mirroring
DLNA,Wireless screen share,MirrorLink	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation, Video recording	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46	38, 39, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 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
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Feb 15, 2019 FCC ID value: ZNFG820UM	Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
Head: 0.98 W/kg Body: 0.95 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.29 W/kg Phablet: 3.88 W/kg	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

Alternative variants

Dual SIM

Dual SIM	Yes

with 128GB storage

Memory	6GB/128GB

for T-Mobile

OS	Android (10)
4G (FDD) Bands	1, 3, 7, 8, 13, 20, 25, 26, 28

for Verizon

4G (FDD) Bands	2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands	5, 8, 2, 1

for Sprint

OS	Android (10)
4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71
4G (TDD) Bands	40, 41, 46

for AT&T

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for AT&T

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 12, 14, 20, 29, 30, 66
3G Bands	5, 4, 2, 1

for Sprint

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for Verizon Wireless

OS	Android (10)
4G (FDD) Bands	2, 3, 4, 5, 7, 13, 20, 28, 66
4G (TDD) Bands	46, 48
3G Bands	5, 8, 2, 1

for Europe

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands	38, 40, 41
Dual SIM	Yes

Discover more

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