LG G6 vs Samsung Galaxy S21 Ultra Specs Comparison

Design

Dimensions
5.86 x 2.83 x 0.31 inches 148.9 x 71.9 x 7.9 mm	6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump) 165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight
5.75 oz (163.0 g)	8.04 oz (229.0 g)
Materials
Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
Water, Dust, Shock; IP68; MIL-STD-810 certified	Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Left: Volume control	Right: Volume control, Lock/Unlock key
Colors
Black, Silver	Phantom black, Silver

Display

Size
5.7-inch	6.8-inch
Resolution
2880x1440px, 561 PPI	3200x1440px, 20:9 ratio, 516 PPI
Technology
IPS LCD	Dynamic AMOLED
Refresh rate
	120Hz (adaptable)
Screen-to-body
79.47 %	89.33 %
Peak brightness
	1500 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 821 MSM8996 Pro (14 nm)	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Quad-core 2350 MHz Kryo	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 530	Adreno 660
RAM
4GB	12GB (LPDDR5)
Internal storage
32GB, available to use: 20.56 GB	128GB (UFS 3.1)
Storage expansion
microSDXC up to 2000 GB	not expandable
OS
Android (8.0 Oreo, 7.0 Nougat), LG UX UI	Android (14, 13, 12, 11), One UI

Battery

Capacity
3300 mAh	5000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Qualcomm Quick Charge 3.0	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Learn more on our PhoneArena Battery Test Results page

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	108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera
13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm	12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
	10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Fourth camera
	10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
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	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Video light, EIS
Front
5 MP (Wide Angle)	40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
4.2	5.1
WLAN
802.11 a,b,g,n,ac,dual-band 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, USB 2.0	Type-C, USB 3.2
Hearing aid compatible
M4/T3	M3/T3
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
32-Bit DAC, aptX-HD	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
DLNA,Wireless screen share	Wireless screen share
Radio
	FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording	Noise cancellation, Video recording

Cellular

5G
	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
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), 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)
4G (TDD)
	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
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 Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes

Phone Features

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

Regulatory Approval

FCC approval
	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
	Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg

Buyers information

MSRP
	$ 1200 / € 1399
In The Box
	C to C Data Cable, Ejection Pin

Availability

Officially announced
Feb 26, 2017	Jan 14, 2021

Alternative variants

with 64 GB storage

Internal storage	64GB, available to use: 50.7 GB

with 256GB storage

Internal storage	256GB
Colors	Phantom black
MSRP	$ 1250

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

with 512GB storage

RAM	16GB
Internal storage	512GB
Colors	Phantom black
MSRP	$ 1380

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 Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	8.01 oz (227.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998B
Measured SAR	Head: 0.16 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 3.86 W/kg

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 S21 Ultra Specs
PhoneArena Review
LG G6 Review	Samsung Galaxy S21 Ultra Review
User Reviews
LG G6 User Reviews	Samsung Galaxy S21 Ultra User Reviews