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)
FCC OKs Cingular\'s purchase of AT&T Wireless