LG G6 vs Samsung Galaxy A21 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.

8.7
LG G6	Samsung Galaxy A21
Released · Mar 10, 2017	Released · Jun 29, 2020
5.7-inch · 2880x1440px	6.5-inch · 1600x720px
Dual camera	Quad camera
4GB · 32GB	3GB · 32GB
3300 mAh	4000 mAh
	Check prices

Design

Dimensions
5.86 x 2.83 x 0.31 inches 148.9 x 71.9 x 7.9 mm	6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm
Weight
5.75 oz (163.0 g)	6.81 oz (193.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum	Back: Plastic Frame: Plastic
Resistance
Water, Dust, Shock; IP68; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Left: Volume control	Right: Volume control, Lock/Unlock key
Colors
Black, Silver	Black

Display

Size
5.7-inch	6.5-inch
Resolution
2880x1440px, 561 PPI	1600x720px, 20:9 ratio, 270 PPI
Technology
IPS LCD	IPS LCD
Refresh rate
	60Hz
Screen-to-body
79.47 %	79.20 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 821 MSM8996 Pro (14 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Quad-core 2350 MHz Kryo	Octa-core 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53
GPU
Adreno 530	PowerVR GE8320
RAM
4GB	3GB (LPDDR4)
Internal storage
32GB, available to use: 20.56 GB	32GB (eMMC 5.1), available to use: 19.8 GB
Storage expansion
microSDXC up to 2000 GB	microSDXC up to 512 GB
OS
Android (8.0 Oreo, 7.0 Nougat), LG UX UI	Android (10), Samsung One UI

Battery

Capacity
3300 mAh	4000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Qualcomm Quick Charge 3.0	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Dual camera	Quad camera
Main camera
13 MP (OIS, PDAF, CMOS image sensor) Aperture size: F1.8 Focal length: 29 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm
Second camera
13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) Time-lapse video, Picture-taking during video recording, EIS, Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
5 MP (Wide Angle)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
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
USB
Type-C, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M4/T3	M4/T3
Location
GPS, A-GPS	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
32-Bit DAC, aptX-HD
Screen mirroring
DLNA,Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation, Video recording

Cellular

4G (FDD)
Bands 1(2100), 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)
4G (TDD)
	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 11 (600/75 Mbit/s), HSPA, HSUPA, UMTS	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes
VoLTE
Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U
Measured SAR
	Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg

Buyers information

MSRP
	$ 250
In The Box
	This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced
Feb 26, 2017	Apr 08, 2020

Alternative variants

with 64 GB storage


Internal storage	64GB, available to use: 50.7 GB

for Verizon


4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for Verizon Wireless


OS	Android (9.0 Pie)
4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)
FCC approval	Date approved: Feb 27, 2017 FCC ID value: ZNFVS988
Measured SAR	Head: 0.30 W/kg Body: 0.49 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.48 W/kg

for Sprint


4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

for T-Mobile


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

for Sprint and Boost Mobile


4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 25(1900+), 26(850+)
4G (TDD)	Bands 41(2600+)
FCC approval	Date approved: Feb 27, 2017 FCC ID value: ZNFLS993
Measured SAR	Head: 0.26 W/kg Body: 1.07 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.07 W/kg

for AT&T


OS	Android (9.0 Pie)
4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 20(800 DD), 29(700 d), 30(2300 WCS)
FCC approval	Date approved: Apr 07, 2017 FCC ID value: ZNFH871
Measured SAR	Head: 0.70 W/kg Body: 0.42 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.42 W/kg

International version


4G (FDD)	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), 28(700 APT)
4G (TDD)	Bands 38(2600)
3G	Bands 5(850), 8(900), 4(1700/2100), 3(1800), 2(1900), 1(2100)
Radio	FM
FCC approval	Date approved: Mar 24, 2017 FCC ID value: ZNFH870
Measured SAR	Head: 0.69 W/kg Body: 0.10 W/kg Simultaneous Transmission: 1.41 W/kg Wireless Router: 0.14 W/kg

Links

Full specifications
LG G6 Specs	Samsung Galaxy A21 Specs
PhoneArena Review
LG G6 Review
User Reviews
LG G6 User Reviews	Samsung Galaxy A21 User Reviews