Samsung Galaxy S21 Ultra vs LG K92 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.

9.1
Samsung Galaxy S21 Ultra	LG K92
Released · Jan 29, 2021	Released · Nov 06, 2020
6.8-inch	6.7-inch
Quad camera	Quad camera
12GB · 128GB	6GB · 128GB
5000 mAh	4000 mAh
Check prices	Check prices

Design

Dimensions
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)	6.55 x 3.04 x 0.33 inches 166.4 x 77.2 x 8.4 mm
Weight
8.04 oz (229.0 g)	7.14 oz (202.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Phantom black, Silver	Titan gray

Display

Size
6.8-inch	6.7-inch
Resolution
3200x1440px, 20:9 ratio, 516 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
Dynamic AMOLED	IPS LCD
Refresh rate
120Hz (adaptable)	60Hz
Screen-to-body
89.33 %	84.36 %
Peak brightness
1500 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	Qualcomm Snapdragon 690 SM6350 (8 nm)
Processor
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680	Octa-core 2000 MHz Kryo 560
GPU
Adreno 660	Adreno 619L
RAM
12GB (LPDDR5)	6GB (LPDDR4)
Internal storage
128GB (UFS 3.1)	128GB, available to use: 99 GB
Storage expansion
not expandable	microSDXC up to 2000 GB
OS
Android (14, 13, 12, 11), One UI	Android (10)

Battery

Capacity
5000 mAh	4000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Qualcomm Quick Charge 4
Charge speed
Wired: 25.0W Wireless: 15.0W

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Quad camera
Main camera
108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 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	2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 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	2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	Quad LED
Video recording
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	3840x2160 (4K UHD) (30 fps) Time-lapse video, EIS
Front
40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	16 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.1	5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 3.1
Hearing aid compatible
M3/T3	M4/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Heart rate, Barometer
Other
NFC, ANT+	NFC, UMA (Wi-Fi Calling)

Multimedia

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

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands SA, NSA
4G (FDD)
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)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 20(800 DD), 29(700 d), 30(2300 WCS), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 5(850)
Data Speed
LTE-A Pro Cat 20 (2000/150 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: Dec 22, 2020 FCC ID value: A3LSMG998U	Date approved: Oct 01, 2020 FCC ID value: ZNFK920AM
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	Head: 1.13 W/kg Body: 0.57 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.67 W/kg Phablet: 3.53 W/kg

Buyers information

MSRP
$ 1200 / € 1399	$ 395
In The Box
C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021	Oct 29, 2020

Alternative variants

with 256GB storage


Internal storage	256GB
Colors	Phantom black
MSRP	$ 1250

for Cricket


5G	Bands n2, n5, n66
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)

with 512GB storage


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

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

Links

Full specifications
Samsung Galaxy S21 Ultra Specs	LG K92 Specs
PhoneArena Review
Samsung Galaxy S21 Ultra Review
User Reviews
Samsung Galaxy S21 Ultra User Reviews	LG K92 User Reviews