Samsung Galaxy A51 5G vs LG K51 Specs Comparison

Availability

Officially announced
Apr 08, 2020	May 06, 2020
Prices (MSRP)
$500	$200

Design

Dimensions
6.26 x 2.90 x 0.34 inches 158.9 x 73.6 x 8.7 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
6.60 oz / 187.0 g	7.17 oz / 203.4 g
Materials
Back: Plastic Frame: Aluminum
Resistance
	Yes; MIL-STD-810 certified
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 cube black	Titan gray

Display

Size
6.5-inch, 87.37% screen-to-body	6.5-inch, 79.70% screen-to-body
Type
Super AMOLED, 60Hz	IPS LCD
Resolution
2400x1080px, 20:9 ratio, 405 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Protection
Corning Gorilla Glass 3

Hardware

System chip
Samsung Exynos 980 (8 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 2x2.2GHz Cortex-A77 6x1.8G​Hz Cortex-A55	Octa-core 2000 MHz Arm Cortex-A53
GPU
Mali-G76 MP5	IMG PowerVR GE8320
Memory
6GB (LPDDR4)/128GB 8GB/128GB	3GB/32GB
Storage expansion
microSDXC up to 1000 GB	microSDXC up to 2000 GB
OS
Android (11, 10)	Android (10)

Battery

Type
4500 mAh, Li - Polymer	4000 mAh, Li - Ion
Charging
Fast charging
Charge speed
Wired: 25.0W

Camera

Rear
Quad camera	Triple camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 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 (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
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 (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS	1080p Picture-taking during video recording
Front
32 MP (HDR) Video capture: 1080p	13 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 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Other
NFC, ANT+

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos	DTS:X Virtual Surround
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
n41, n71, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71	2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71
4G (TDD) Bands
38, 39, 40, 41	41
3G Bands
1, 2, 4, 5	1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
	Nano SIM
HD Voice
Yes	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 1.18 W/kg Body: 1.20 W/kg Simultaneous Transmission: 3.25 W/kg Wireless Router: 1.37 W/kg	Head: 0.66 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.27 W/kg Phablet: 3.96 W/kg

Alternative variants

with 8GB RAM

Memory	8GB

for Boost Mobile

OS	Android (9.0 Pie)
4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71

for Europe

Colors	Prism cube black, Prism cube white
5G Bands	n41, n78, SA, NSA
4G (FDD) Bands	1, 3, 4, 5, 7, 8, 12, 20, 28
4G (TDD) Bands	38, 40, 41
3G Bands	5, 8, 2, 1
Dual SIM	Yes
SIM type	Nano SIM

for Verizon

4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 20, 66
Prices (MSRP)	$170

for Verizon

System chip	Snapdragon 765G SM7250-AB (7 nm)
Processor	Octa-core 2400 MHz Kryo 475
GPU	Adreno 620
Colors	Prism bricks blue
5G Bands	n260, n261, mmWave
4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 20, 28, 66
3G Bands	5, 8, 2, 1
FCC approval	Date approved: Jul 20, 2020 FCC ID value: A3LSMA516V
Measured SAR	Head: 0.32 W/kg Body: 1.32 W/kg Simultaneous Transmission: 3.01 W/kg Wireless Router: 1.37 W/kg Phablet: 3.91 W/kg
Prices (MSRP)	$550

for Metro

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71
4G (TDD) Bands	38, 41
3G Bands	5, 4, 2, 1

Links

Full specifications
Samsung Galaxy A51 5G Specs	LG K51 Specs
User Reviews
Samsung Galaxy A51 5G User Reviews	LG K51 User Reviews