Samsung Galaxy S Duos S7562 vs LG Optimus L7 II Dual P715 vs Samsung I9506 Galaxy S4

General Info

Manufacturer
Samsung	LG	Samsung
Announced
July 2012	February 2013	Q3 2013
Status
Available - September 2012	Available - March 2013	Available - Q3 2013
Colors
White	Black, White	White Frost, Black Mist / Arctic Blue, Red Aurora
Form Factor
Candybar	Candybar	Candybar
Dimension
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in)	122.2 x 66.6 x 9.7 mm (4.81 x 2.62 x 0.38 in)	136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in)
Weight
120 g (4.23 oz)	115.5 g (4.06.0.18 oz)	130 g (4.59 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO
3G Network
HSDPA 900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA
4G Network
-	-	LTE 800 / 850 / 900 / 1800 / 2100 / 2600
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, EMail, IM

OS
Android OS, v4.0 (Ice Cream Sandwich)	Android OS, v4.1.2 (Jelly Bean)	Android OS, v4.2.2 (Jelly Bean)
Processor
1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon	Dual-core 1 GHz Cortex-A5, Qualcomm MSM8225 Snapdragon	Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800
GPU
Adreno 200	Adreno 203	Adreno 330
RAM
768 MB	768 MB	2 GB
Internal Memory
4 GB storage	4 GB	16/32 GB
External Memory
microSD, up to 32 GB	microSD, up to 32 GB	microSD, up to 64 GB

Type
TFT capacitive touchscreen	IPS LCD capacitive touchscreen	Super AMOLED capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.0 inches	4.3 inches	5.0 inches
Resolution
480 x 800 pixels (233 ppi)	480 x 800 pixels (217 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
59.52%	64.64%	72.15%
Multi-Touch

Rear Camera
5 MP, 2592х1944 pixels	8 MP, 3264 x 2448 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	LED flash	LED flash
Features
Auto focus, Geo-tagging	Auto focus, Geo-tagging	Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR
Video
Yes, FWVGA@30fps	Yes, 720p@30fps	Yes, 1080p@30fps, dual-video rec.
Front Camera
Yes, VGA	Yes, VGA	Yes, 2 MP,1080p@30fps, dual video call

GPRS
Yes	Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps	Yes
Edge
Yes	Class 12	Yes
3G
HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps	HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps	HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth
Yes, v3.0 with A2DP	Yes, v3.0 with A2DP	Yes, v4.0 with A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 b/g/n, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA	Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot
USB
Yes, microUSB v2.0	Yes, microUSB v2.0	Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host
GPS
Yes, with A-GPS support	Yes, with A-GPS support	Yes, with A-GPS support and GLONASS
Browser
HTML, Adobe Flash Lite	HTML	HTML5