LG K20 (2019) vs LG K51 Specs Comparison

Availability

Officially announced
Aug 07, 2019	May 06, 2020
Prices (MSRP)
	$200

Design

Dimensions
5.85 x 2.83 x 0.33 inches 148.6 x 71.9 x 8.3 mm	6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm
Weight
5.40 oz / 153.0 g	7.17 oz / 203.4 g
Materials
Back: Plastic Frame: Plastic
Resistance
Yes; MIL-STD-810 certified	Yes; MIL-STD-810 certified
Biometrics
	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Aurora black, Moroccan blue	Titan gray

Display

Size
5.5-inch, 71.76% screen-to-body	6.5-inch, 79.70% screen-to-body
Type
IPS LCD	IPS LCD
Resolution
960x480px, 18:9 ratio, 197 PPI	1560x720px, 19.5:9 ratio, 264 PPI

Hardware

System chip
MediaTek MT6739 (28 nm)	MediaTek Helio P22 MT6762 (12 nm)
Processor
Quad-core 1500 MHz ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
PowerVR GE8100	IMG PowerVR GE8320
Memory
1GB (LPDDR3)/16GB	3GB/32GB
Storage expansion
microSDHC up to 32 GB	microSDXC up to 2000 GB
OS
Android (9.0 Pie)	Android (10)

Battery

Type
3000 mAh, Li - Polymer	4000 mAh, Li - Ion

Camera

Rear
Single camera	Triple camera
Main camera
8 MP (Autofocus) Aperture size: F2.2 Focal length: 27 mm Sensor size: 1/4" Pixel size: 1.12 μm	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
1080p (30 fps)	1080p Picture-taking during video recording
Front
5 MP (Flash)	13 MP Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
Yes Wi-Fi Direct 802.11 b, g, n	dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T3
Location
GPS, A-GPS	GPS, A-GPS, Cell ID, Wi-Fi positioning

Multimedia

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

Cellular

LTE Bands
1, 3, 7, 8, 20	2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71
TDD Bands
38	41
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

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

Alternative variants

for Boost Mobile

OS	Android (9.0 Pie)
LTE Bands	2, 4, 5, 12, 13, 25, 26, 66, 71

for Verizon

LTE Bands	2, 3, 4, 5, 7, 12, 13, 20, 66
Prices (MSRP)	$170

for Metro

LTE Bands	1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71
TDD Bands	38, 41
3G Bands	5, 4, 2, 1

Discover more

Full Specs LG K20 (2019) Specs

Full Specs LG K51 Specs