Compare LG Optimus GT540

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Photos relative in size Front Side Back	LG Optimus GT540‎	Samsung Galaxy Z Flip 4‎ $ 479.99	Samsung Galaxy S20 5G‎ $ 249.00

Dimensions	109 x 54.5 x 12.7 mm	84.9 x 71.9 x 17.1 mm	151.7 x 69.1 x 7.9 mm
Weight	115 grams	187 grams	163 grams
Stand-by	3 week	depends on usage	depends on usage
Talk time	7 hour	depends on usage	depends on usage
Design type
Monoblock
Clamshell
Controls
Touchscreen	Resistive	Multi-touch, Capacitive	Multi-touch, Capacitive
Voice command
Voice dialing
Facial unlock
Fingerprint recognition			Pressure sensitive in-screen
Operating system
Android	1.6 (Donut)	12	10
Display
Auto-rotate
Color display	Adjustable display brightness, 65.536 colors (16 bits), TFT	Adjustable display brightness, 16.777.216 colors (24 bits), Dynamic AMOLED 2X, HDR10, Hole-punch display, Foldable	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Always On feature, HDR10+, Hole-punch display
Size	3.0 inch	6.7 inch	6.2 inch
Resolution	320 x 480 pixels	2640 x 1080 pixels	3200 x 1440 pixels
Refresh rate		120 Hz	120 Hz
Aspect ratio	3:2	22:9	20:9
Pixels Per Inch (PPI)	192	426	566
Screen-to-body ratio	45.1%		88.5%
External display		Super AMOLED
Size		1.9 inch
Resolution		260 x 512 pixels
Aspect ratio		16:8.1
Pixels Per Inch (PPI)		302
Screen-to-body ratio		15.4%
Hardware
Camera	Auto focus, Blink Shot, Digital zoom, Effects/camera settings, Geotagging, Face recognition, Quality settings, Landscape mode, Burst (Continuous) Shooting, Night mode, Portrait mode, Video recorder, self-timer	Dual camera sensor, Auto focus, Image stabilization, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Panoramic photo, Portrait mode, Video recorder, self-timer	Tri camera sensor, Auto focus, Image stabilization, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Smile Shot, Video recorder, self-timer
Type	3 MP	12 MP + 12 MP	12 MP + 12 MP + 64 MP
Angle of view (AOV)		123° + 83°	120° + 76° + 79°
F-number		f/1.8 + f/2.2	f/1.8 + f/2.0 + f/2.2
Max. resolution	(camera) 2048 x 1536 pixels + (video) 640 x 480 pixels	(camera) 4000 x 3000 pixels	(camera) 4032 x 3024 pixels + (video) 3840 x 2160 pixels
Haptic feedback
Integrated antenna
Foldable design
Processor		Qualcomm Snapdragon 8+ Gen 1, Octa core	Octa core
Secondary camera			Autofocus
Type		10 MP	10 MP
Angle of view (AOV)		80°	80°
F-number		f/2.4	f/2.2
Max. resolution			(video) 3840 x 2160 pixels
Telephony
Flight mode
Integrated handsfree speaker
Vibrating alert
eSIM
nano-SIM (4FF)
Videoconferencing
Dual SIM			Hybrid slot
Operating frequency
Quad band
Data network
EDGE
GPRS
HSDPA			Cat20 42 Mbps
HSUPA			Cat6 5.76 Mbps
UMTS
4G (LTE)		Cat 20 (2 Gbps), Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41	Cat 20 (2 Gbps)
5G
Personal Information Management (PIM)
Agenda
Alarm clock
Calculator
Contact list
Date and time notation
Document viewer	Excel files, PowerPoint files, PDF files, Word files	Excel files, PDF files, Word files	Excel files, PowerPoint files, PDF files, Word files
Phonebook with groups
Photo phonebook
Reminder list
Stopwatch & countdown timer
Voice memo
To-do list
Available applications
Games
Image editor
Java application support
Photo album
Video codec support		MPEG-4	DivX, H.263, H.264, MPEG-4, Sorenson Spark, VC-1, VP8
Movie editor
Video file support		3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV
Messaging
E-mail	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4
Instant messaging	AIM, Google Talk, Yahoo Messenger, Windows Live/MSN Messenger		Google Talk
MMS	Video MMS		Video MMS
Predictive Text Input	T9		T9
SMS	Group messaging, Receive and send concatenated messages	Group messaging, Receive and send concatenated messages	Group messaging, Receive and send concatenated messages
Internet
Internet browser		Google Chrome
RSS reader
YouTube support
Navigation
A-GPS
Build-in navigation system		Google Maps, Google Maps Navigation	Google Maps, Google Maps Navigation
Type	Google Maps
Digital Compass
GPS receiver
Beidou
Galileo
GLONASS
Audio
Audio codec support		AAC, AMR, DSF, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX	AAC, AAC+, AC3, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX
FM-radio	RDS
Polyphonic ringtones	40-tone polyphonic ringtones, MP3 ringtones		MP3 ringtones
Audio file support		3GA, APE, M4A, MP3, WAV, WMA	M4A, MP3, WAV, WMA
Stereo speakers
Build-in memory
Internal memory
Size (RAM)		8 GB	12 GB
Storage	130 MB	128 GB + 256 GB + 512 GB	128 GB
Memory card slot	MicroSDHC memory card
Connections
Audio jack plug	3.5 mm
USB		v3.0, Type-C	v3.0, Type-C
Connectivity
Bluetooth	Advanced Audio Distribution Profile (A2DP)	v5.2	v5.0, Advanced Audio Distribution Profile (A2DP)
Synchronisation	SyncML		ActiveSync, SyncML
Tethering
WAP	2.0		2.0
Wireless Lan (WLAN/Wi-Fi)	Wi-Fi 3 (802.11g)	Wi-Fi 6 (802.11ax), WiFi Direct support	Wi-Fi 6 (802.11ax), WiFi Direct support
NFC
ANT+
DLNA support
Power supply
Battery	User replaceable		Li-ion
Capacity		3700 mAh	4000 mAh
Fast charging		Qualcomm Quick Charge, Samsung Adaptive Fast Charging	Qualcomm Quick Charge, Samsung Adaptive Fast Charging
Max. power		25 Watt
Wireless charging		Omgekeerd opladen	Omgekeerd opladen
Max. power		10 Watt
Sensors
Gesture recognition
Ambient light sensor
Barometer
Gyroscope
Proximity sensor
User interface
One UI		4.1
Materials
Dust and waterproof		IPX8	IP68
Glass
Gorilla Glass
Aluminium
Personalisation
Multiple homescreens
Widgets