Samsung Galaxy A51 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.

7.0
Samsung Galaxy A51
Samsung Galaxy A51 LG K92
Released · Dec 27, 2019
Released · Nov 06, 2020
6.5-inch · 2400x1080px
6.7-inch · 2400x1080px
Quad camera
Quad camera
4GB · 128GB
6GB · 128GB
4000 mAh
4000 mAh
Check prices Check prices

Availability

Officially announced
Dec 12, 2019 Oct 29, 2020
Prices (MSRP)
$400 $395

Design

Dimensions
6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
6.55 x 3.04 x 0.33 inches
166.4 x 77.2 x 8.4 mm
Weight
6.07 oz / 172.0 g 7.14 oz / 202.0 g
Materials
Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue Titan gray

Display

Size
6.5-inch, 87.37% screen-to-body 6.7-inch, 84.36% screen-to-body
Type
Super AMOLED, 60Hz IPS LCD, 60Hz
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2400x1080px, 20:9 ratio, 393 PPI
Protection
Corning Gorilla Glass 3
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.7 (Good) Untested

Hardware

System chip
Samsung Exynos 9611 (10 nm) Snapdragon 690 SM6350 (8 nm)
Processor
Octa-core
2300 MHz
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
2000 MHz
Kryo 560
GPU
Mali-G72 MP3 Adreno 619L
Memory
4GB (LPDDR4)/128GB
6GB/128GB
6GB (LPDDR4)/128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 2000 GB
OS
Android (11, 10) Android (10)

Battery

Type
4000 mAh, Li - Polymer 4000 mAh, Li - Polymer
Charging
Fast charging Qualcomm Quick Charge 4
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Quad camera Quad camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
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)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
5 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
2 MP (Macro)
Aperture size: F2.4
Pixel size: 1.75 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
2 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.75 μm
Flash
LED Quad LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
Hyperlapse, EIS
4K UHD (30 fps)
Time-lapse video, EIS
Front
32 MP (HDR)
Video capture: 1080p
16 MP
Video capture: 1080p

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos aptX
Screen mirroring
Wireless screen share DLNA,Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 1, 2, 3, 4, 5, 7, 12, 14, 20, 29, 30, 66
4G (TDD) Bands
38, 39, 41 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 5
Data Speed
LTE-A, 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: Nov 28, 2019
FCC ID value: A3LSMA515FN
Date approved: Oct 01, 2020
FCC ID value: ZNFK920AM
Measured SAR
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
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

Alternative variants

with 128GB storage
Memory 6GB/128GB
for Cricket
5G Bands n2, n5, n66
3G Bands 5, 4, 2, 1
for Verizon
4G (FDD) Bands 2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands 5, 8, 2, 1
for AT&T
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
for Sprint
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
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
FCC OKs Cingular\'s purchase of AT&T Wireless