LG K51 vs Samsung Galaxy S23 Specs Comparison

Availability

Officially announced
May 06, 2020	Feb 01, 2023
Prices (MSRP)
$200	$800

Design

Dimensions
6.57 x 3.07 x 0.33 inches 166.9 x 77.9 x 8.4 mm	5.76 x 2.79 x 0.30 inches (~0.36 inches with camera bump) 146.3 x 70.9 x 7.6mm (~9.02 mm with camera bump)
Weight
7.17 oz / 203.4 g	5.93 oz / 168.0 g
Materials
	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
Yes; MIL-STD-810 certified	Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Titan gray	Phantom Black, Cream, Green, Lavender

Display

Size
6.5-inch, 79.70% screen-to-body	6.1-inch, 88.57% screen-to-body
Type
IPS LCD	Super AMOLED, 120Hz, HDR, 1750 nits
Resolution
1560x720px, 19.5:9 ratio, 264 PPI	2340x1080px, 19.5:9 ratio, 422 PPI
Protection
	Corning Gorilla Glass Victus 2

PhoneArena Display Test

Bright Max (20% APL)
Untested	1531 (Good)
Bright Min
Untested	0.9 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm)	Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A53	Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve
GPU
IMG PowerVR GE8320	Adreno 740
Memory
3GB/32GB	8GB (LPDDR5X)/128GB (UFS 4.0) 8GB/256GB
Storage expansion
microSDXC up to 2000 GB	not expandable
OS
Android (10)	Android (14, 13)

PhoneArena Performance Test

GeekBench 6 Single
Untested	2023
GeekBench 6 Multi
Untested	5180
3D Mark High
Untested	3807
3D Mark Low
Untested	2079

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh, Li - Ion	3900 mAh, Li - Ion
Charging
	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 10.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 3min

Browsing

15h 21min

Video

8h 6min

Gaming

8h 1min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
13 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3" Pixel size: 1.12 μm	50 MP (OIS, PDAF) Sensor name: Samsung ISOCELL Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	12 MP (Ultra-wide) Sensor name: Sony IMX564 Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
2 MP (Depth information) Sensor size: 1/5" Pixel size: 1.75 μm	12 MP (Telephoto, OIS) Sensor name: Samsung S5K3K1 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 64 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Flash
LED	Dual LED
Video recording
1080p Picture-taking during video recording	8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps) OIS, HDR
Front
13 MP Video capture: 1080p	12 MP Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

137

Overall

139

Photo

134

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
	NFC, Ultra Wideband (UWB)

Discover more

Full Specs LG K51 Specs

Full Specs Samsung Galaxy S23 Specs PA Review Samsung Galaxy S23 Review

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
DTS:X Virtual Surround
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
	n1, n7, n25, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (FDD) Bands
2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
41	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
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
SIM type
Nano SIM	Dual Nano SIM + eSIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Jun 16, 2020 FCC ID value: ZNFL555DL	Date approved: Jan 17, 2023 FCC ID value: A3LSMS911U
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	Head: 0.95 W/kg Body: 0.88 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.24 W/kg

Alternative variants

for Boost Mobile

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

With 256GB internal storage

Memory	256GB
Prices (MSRP)	$860

for Verizon

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

International

5G Bands	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands	38, 39, 40, 41

for Metro

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