Samsung SGH-X640 vs LG KG800 vs Samsung Galaxy S23 Specs Comparison

Display

Size
		6.1-inch
Resolution
160 x 128 px	220 x 176 px	2340 x 1080 px, 19.5:9 ratio, 422 PPI
Technology
TFT	TFT	Super AMOLED
Refresh rate
		120Hz
Screen-to-body
		88.57 %
Colors
65 536
Peak brightness
		1750 cd/m2 (nit)
Features
		HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
		Qualcomm Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
		Octa-core, 1x 3.36GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silver
GPU
		Adreno 740
RAM
		8GB (LPDDR5X)
Internal storage
0.01GB	0.128GB	128GB (UFS 4.0), not expandable
OS
		Android (14, 13), One UI
Device type
		Smartphone

Battery

Capacity
800 mAh	800 mAh	3900 mAh
Type
Li - Ion, User replaceable	Li - Ion, User replaceable	Li - Ion, Not user replaceable
Charging
		Fast charging, Qi wireless charging, Reverse wireless charging
Max charge speed
		Wired: 25.0W Wireless: 10.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 3min

Browsing

15h 21min

Video

8h 6min

Gaming

8h 1min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Single camera	Single camera	Triple camera
Main camera
0.3 MP VGA	1.3 MP	50 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
		10 MP (Telephoto, OIS) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 69 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Third camera
		12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
	Yes	Dual LED
Video recording
	220x176	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps) Features: OIS, HDR
Front
		12 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

137

Overall

139

Photo

134

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
3.44 x 1.85 x 0.91 inches (87.4 x 47 x 23 mm)	3.74 x 1.89 x 0.60 inches (95 x 48 x 15.2 mm)	5.76 x 2.79 x 0.30 inches (146.3 x 70.9 x 7.6mm) thickness with camera 0.36 inches (9.02 mm)
Weight
3.00 oz(85.0 g)	2.93 oz(83.0 g)	5.93 oz(168.0 g)
Materials
		Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
		Water, Dust; IP68
Biometrics
		2D Face unlock, Ultrasonic in-screen fingerprint
Features
Numeric keypad, Soft keys, Notification light	Numeric keypad, Soft keys
Keys
	Left: Volume control; Right: Multimedia control, Other	Right: Volume control, Lock/Unlock key
Colors
		Phantom Black, Cream, Green, Lavender

Cellular

5G
		Bands n1, n7, n25, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (FDD)
		Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)
		Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
		Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
		LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
		Dual Nano SIM + eSIM

Multimedia

Headphones
		No 3.5mm jack
Speakers
		Earpiece, Multiple speakers
Screen mirroring
		Wireless screen share
Additional microphone(s)
		Noise cancellation

Connectivity & Features

Bluetooth
	1.2	5.3
Wi-Fi
		802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Yes	Yes	Type-C (reversible), Features: Charging, OTG
Location
		GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
		Accelerometer, Gyroscope, Compass
Other
Computer sync		NFC, Ultra Wideband (UWB)

Regulatory Approval

FCC approval
Date approved: Feb 03, 2005 FCC ID value: A3LSGHX640	Date approved: Feb 28, 2006 FCC ID value: BEJKG800	Date approved: Jan 17, 2023 FCC ID value: A3LSMS911U
Measured SAR
Head: 0.56 W/kg Measured in: 1900 MHz Body: 0.30 W/kg Measured in: 1900 MHz	Head: 0.14 W/kg Measured in: 1900 MHz Body: 0.16 W/kg Measured in: 1900 MHz	Head: 0.95 W/kg Body: 0.88 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.24 W/kg

Buyers information

MSRP
		$ 800
In The Box
		USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Mar 10, 2005		Feb 01, 2023

Alternative variants

With 256GB internal storage

Internal storage	256GB
MSRP	$ 860

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(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

Links

Full specifications
Samsung SGH-X640 Specs	LG KG800 Specs	Samsung Galaxy S23 Specs
PhoneArena Review
	LG KG800 Review	Samsung Galaxy S23 Review
User Reviews
		Samsung Galaxy S23 User Reviews