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Samsung Galaxy J7 Prime 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 J7 Prime	LG K51
Released · Sep 01, 2016	Released · May 06, 2020
5.5-inch · 1920x1080px	6.5-inch · 1560x720px
Single camera	Triple camera
3GB · 16GB	3GB · 32GB
3300 mAh	4000 mAh

Design

Dimensions
5.97 x 2.95 x 0.31 inches 151.7 x 75 x 8 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.89 oz (167.0 g)	7.17 oz (203.4 g)
Materials
Back: Metal
Resistance
	Yes; MIL-STD-810 certified
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black, Gold, Rose gold	Titan gray

Display

Size
5.5-inch	6.5-inch
Resolution
1920x1080px, 401 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
73.39 %	79.70 %
Features
Scratch-resistant glass (Corning Gorilla Glass), Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
Mali-T830 MP2	IMG PowerVR GE8320
RAM
3GB (LPDDR3)	3GB
Internal storage
16GB, available to use: 10.3 GB	32GB, available to use: 18 GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 2000 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow), Samsung Experience UI	Android (10)

Battery

Capacity
3300 mAh	4000 mAh
Type
Li - Ion	Li - Ion

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus, CMOS image sensor) Aperture size: F1.9	13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm
Second camera
	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) Picture-taking during video recording
Front
8 MP	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass
Other
ANT+, Tethering, Computer sync, OTA sync

Multimedia

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

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	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), 40(2300)	Bands 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
	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
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Aug 18, 2016 FCC ID value: A3LSMG610F	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
Head: 0.43 W/kg Body: 1.03 W/kg Simultaneous Transmission: 1.09 W/kg Wireless Router: 1.03 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

Buyers information

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

Availability

Officially announced
Sep 01, 2016	May 06, 2020

Alternative variants


Dual SIM	Yes

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 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

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 J7 Prime Specs	LG K51 Specs
User Reviews
Samsung Galaxy J7 Prime User Reviews	LG K51 User Reviews