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Samsung Galaxy A71 5G vs LG K51 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.


Samsung Galaxy A71 5G	LG K51
Released · Jun 19, 2020	Released · May 06, 2020
6.7-inch · 2400x1080px	6.5-inch · 1560x720px
Quad camera	Triple camera
6GB · 128GB	3GB · 32GB
4500 mAh	4000 mAh
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Design

Dimensions
6.40 x 2.97 x 0.32 inches 162.5 x 75.5 x 8.1 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
6.53 oz (185.0 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, Prism Cube sliver, Prism Cube blue	Titan gray

Display

Size
6.7-inch	6.5-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
Super AMOLED Plus	IPS LCD
Refresh rate
60Hz
Screen-to-body
88.38 %	79.70 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 765 SM7250-AA (7 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 1x 2.3GHz Kryo 475 + 1x 2.2GHz Kryo 475 + 6x 1.8GHz Kryo 475	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 620	IMG PowerVR GE8320
RAM
6GB (LPDDR4)	3GB
Internal storage
128GB (UFS 2.1), available to use: 104.3 GB	32GB, available to use: 18 GB
Storage expansion
microSDXC up to 1000 GB	microSDXC up to 2000 GB
OS
Android (12, 11, 10), Samsung One UI	Android (10)

Battery

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

Camera

Rear
Quad camera	Triple camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" 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: 12 mm	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: 25 mm Sensor size: 1/5" Pixel size: 1.12 μm	2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
Fourth camera
5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Hyperlapse, EIS	1920x1080 (Full HD) Picture-taking during video recording
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	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	M3/T3
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
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 n2, n5, n41, n66, n71, Sub-6, mmWave
4G (FDD)
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)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, 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	Nano SIM
HD Voice
Yes	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jun 04, 2020 FCC ID value: A3LSMA716U	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 0.69 W/kg Body: 1.11 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.93 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
EU SAR
Head: 1.24 W/kgBody: 1.53 W/kg

Buyers information

MSRP
$ 600	$ 200
In The Box
	Charger, USB Cable, SIM Ejector

Availability

Officially announced
Apr 08, 2020	May 06, 2020

Alternative variants

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), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)

for Boost Mobile


OS	Android (9.0 Pie)
4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)

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)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for Verizon


4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3)
MSRP	$ 170

International version


Storage expansion	microSDXC
5G	Bands n41, n78, SA, NSA, Sub-6
Dual SIM	Yes

for Metro


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), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 38(2600), 41(2600+)
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)

Links

Full specifications
Samsung Galaxy A71 5G Specs	LG K51 Specs
User Reviews
Samsung Galaxy A71 5G User Reviews	LG K51 User Reviews