Display
Size:
6.5 inches
6.5 inches
Resolution:
1560 x 720 pixels, 19.5:9 ratio, 264 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
Super AMOLED
Refresh rate:
60Hz
Screen-to-body:
79.70 %
87.37 %
Features:
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
MediaTek Helio P22 MT6762 (12 nm)
Samsung Exynos 9611 (10 nm)
Processor:
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit
Octa-core, 2300 MHz, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
IMG PowerVR GE8320
Mali-G72 MP3
RAM:
3GB
4GB LPDDR4
Internal storage:
32GB, available to use: 18 GB
128GB, available to use: 105.9 GB
Storage expansion:
microSDXC up to 2000 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10)
Android (11, 10), Samsung One UI
Battery
Capacity:
4000 mAh
4000 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Camera
Rear:
Triple camera
Quad camera
Main camera:
13 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
5 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Third camera:
2 MP (Depth information)
5 MP (Macro)
Specifications:
Sensor size: 1/5"; Pixel size: 1.75 μm
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Flash:
LED
LED
Video recording:
1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Picture-taking during video recording
Hyperlapse, EIS
Front:
13 MP
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
Weight:
7.17 oz (203.4 g)
6.07 oz (172.0 g)
Materials:
Back: Plastic; Frame: Plastic
Resistance:
Yes; MIL-STD-810 certified
Biometrics:
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Titan gray
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cellular
4G (FDD):
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)
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 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Features:
DTS:X Virtual Surround
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
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:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging
Charging, OTG
Location:
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC, ANT+
Hearing aid compatible:
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Jun 16, 2020
Nov 28, 2019
FCC ID value:
ZNFL555DL
A3LSMA515FN
Measured SAR:
Head:
0.66 W/kg
0.89 W/kg
Body:
1.20 W/kg
1.18 W/kg
Simultaneous Transmission:
1.59 W/kg
1.56 W/kg
Wireless Router:
1.27 W/kg
1.12 W/kg
Phablet:
3.96 W/kg
2.76 W/kg
Buyers information
Price:
$ 200
$ 400
User Manual:
This is the official LG K51 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
In The Box:
Charger, USB Cable, SIM Ejector
Availability
Officially announced:
May 06, 2020
Dec 12, 2019