LG K30 vs Samsung Galaxy A51 Specs Comparison

Design

Dimensions
5.85 x 2.95 x 0.34 inches 148.6 x 74.9 x 8.6 mm	6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm
Weight
5.93 oz (168.0 g)	6.07 oz (172.0 g)
Materials
Frame: Metal	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Back: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
5.3-inch	6.5-inch
Resolution
1280x720px, 277 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
TFT	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
69.55 %	87.37 %
Features
Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 425 MSM8917 (28 nm)	Samsung Exynos 9611 (10 nm)
Processor
Quad-core 1400 MHz ARM Cortex-A53	Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 308	Mali-G72 MP3
RAM
2GB (LPDDR3)	4GB (LPDDR4)
Internal storage
16GB	128GB, available to use: 105.9 GB
Storage expansion
microSDXC up to 2000 GB	microSDXC up to 512 GB
OS
Android (7.1 Nougat)	Android (11, 10), Samsung One UI

Battery

Capacity
3000 mAh	4000 mAh
Type
Li - Ion	Li - Polymer
Charging
Fast charging	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
8 MP (PDAF) Aperture size: F2.2	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Picture-taking during video recording, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS
Front
5 MP	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	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
microUSB, USB 2.0	Type-C, USB 2.0
Hearing aid compatible
M3/T3
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
	Bands 38(2600), 39(1900+), 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA, UMTS	LTE-A, 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: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
	Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Buyers information

MSRP
$ 180	$ 400
In The Box
SIM removal tool, microUSB Cable, Wall Charging Adapter, Start Guide

Availability

Officially announced
	Dec 12, 2019

Alternative variants

for Sprint, Virgin Mobile and Boost Mobile

System chip	MediaTek MT6750T (28 nm)
Processor	Octa-core 1500 MHz ARM Cortex-A53
GPU	Mali-T860 MP2
Internal storage	32GB, available to use: 18.61 GB
Rear	Single camera
Main camera	13 MP Aperture size: F2.4
4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
FCC approval	Date approved: Jul 20, 2018 FCC ID value: ZNFX410PM
Measured SAR	Head: 0.74 W/kg Body: 1.13 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.13 W/kg

with 128GB storage

RAM	6GB
Internal storage	128GB

for AT&T

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS)

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for T-Mobile

Internal storage	32GB
Rear	Single camera
Main camera	13 MP
4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 7(2600), 12(700 a), 66(AWS-3), 71(600)
FCC approval	Date approved: Jun 05, 2018 FCC ID value: ZNFX410TK
Measured SAR	Head: 0.83 W/kg Body: 1.17 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.17 W/kg

for AT&T

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)
4G (TDD)	Bands 41(2600+)

for Sprint

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)
4G (TDD)	Bands 41(2600+)

for Europe

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
Dual SIM	Yes

Links

Full specifications
LG K30 Specs	Samsung Galaxy A51 Specs
PhoneArena Review
	Samsung Galaxy A51 Review
User Reviews
	Samsung Galaxy A51 User Reviews