Samsung Galaxy J7 vs LG K51 Specs Comparison

Design

Dimensions
6.00 x 3.09 x 0.30 inches 152.4 x 78.6 x 7.5 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
6.03 oz (171.0 g)	7.17 oz (203.4 g)
Resistance
	Yes; MIL-STD-810 certified
Biometrics
	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, White	Titan gray

Display

Size
5.5-inch	6.5-inch
Resolution
1280x720px, 267 PPI	1560x720px, 19.5:9 ratio, 264 PPI
Technology
Super AMOLED	IPS LCD
Screen-to-body
69.72 %	79.70 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 615 8939	MediaTek Helio P22 MT6762 (12 nm)
Processor
Octa-core 1500 MHz ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 405	IMG PowerVR GE8320
RAM
1.5GB (LPDDR3)	3GB
Internal storage
16GB, available to use: 11.6 GB	32GB, available to use: 18 GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 2000 GB
OS
Android (6.0 Marshmallow, 5.1 Lollipop)	Android (10)

Battery

Capacity
3000 mAh	4000 mAh
Type
	Li - Ion

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus) Aperture size: F1.9 Focal length: 28 mm	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	1920x1080 (Full HD) Picture-taking during video recording
Front
5 MP (Flash)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	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	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
ANT+

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, RDS	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 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, HSPA	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Micro SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Phone Features

Notifications
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL
Measured SAR
	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
$ 234	$ 200
In The Box
	Charger, USB Cable, SIM Ejector

Availability

Officially announced
Jul 16, 2015	May 06, 2020

Alternative variants

RAM	2GB
4G (FDD)	Bands 12(700 a), 5(850), 26(850+), 4(AWS-1), 2(1900), 25(1900+)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

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)

RAM	2GB
OS	Android (7.1 Nougat)
4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a)
3G	Bands 5(850), 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

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