Samsung Galaxy S9 vs LG K51
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Display
Size
Resolution
Technology
Super AMOLED
IPS LCD
Screen-to-body
84.36 %
79.70 %
Features
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip
Qualcomm Snapdragon 845 SDM845
MediaTek Helio P22 MT6762
Processor
GPU
Adreno 630
IMG PowerVR GE8320
RAM
Internal storage
64GB
32GB, available to use: 18 GB
Storage expansion
microSDXC up to 400 GB
microSDXC up to 2000 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI
Android (10)
Battery
Capacity
3000 mAh
4000 mAh
Type
Li - Ion, Not user replaceable
Li - Ion, Not user replaceable
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Camera
Rear
Single camera
Triple camera
Main camera
Specifications
Aperture size: F1.5/F2.4; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Second camera
5 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Third camera
2 MP (Depth information)
Specifications
Sensor size: 1/5"; Pixel size: 1.75 μm
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD)
Features
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing
Picture-taking during video recording
Front
8 MP (Autofocus, HDR)
13 MP
Design
Dimensions
Weight
the average is 6.2 oz (178 g)
the average is 6.2 oz (178 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance
Water, Dust; IP 68
Yes; MIL-STD-810 certified
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Features
Notification light
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue
Titan gray
Cellular
LTE (FDD)
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
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)
LTE (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 41(2600+)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Multimedia
Headphones
3.5mm jack
3.5mm jack
Speakers
Earpiece, Multiple speakers
Earpiece, Multiple speakers
Features
32-Bit DAC, aptX-HD
DTS:X Virtual Surround
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; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features
Charging, OTG, Video out
Charging
Location
GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Other
NFC, ANT+
Regulatory Approval
Measured SAR
Head
0.35 W/kg
Body
0.96 W/kg
Simultaneous Transmission
1.59 W/kg
Wireless Router
0.95 W/kg
Buyers information
In The Box
Charger, USB Cable, SIM Ejector
Price
$ 720
$ 200
