Samsung I9300 Galaxy S III (S3) vs Samsung Galaxy S III I535 vs Samsung Galaxy A3 Duos

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
May 2012	June 2012	October 2014
Status
Available - May 2012	Available - July 2012	Available - November 2014
Price
-	-	Rs. 14,265 ($209.78) [Similarly Priced]
Colors
Blue, White	Pebble blue, Marble white	Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor
Candybar	Candybar	Candybar
Dimension
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in)	137.2 x 71.1 x 7.6 mm (5.4 x 2.8 x 0.3 in)	130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in)
Weight
133 g (4.69 oz)	133.2 g (4.69.0.07 oz)	110.3 g (3.88.0.11 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	CDMA 800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	CDMA2000 1xEV-DO HSDPA 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE (regional)	LTE 700 MHz Class 13	LTE
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM

OS
Android OS, v4.0.4 (Ice Cream Sandwich)	Android OS, v4.0.4 (Ice Cream Sandwich)	Android OS, v4.4.4 (KitKat)
Processor
Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad	Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon	Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU
Mali-400MP	Adreno 225	Adreno 306
RAM
1 GB	2 GB	1 GB
Internal Memory
16/32/64 GB storage	16/32 GB storage	16 GB
External Memory
microSD, up to 64 GB	microSD, up to 64 GB	No

Type
Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen	Super AMOLED capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.8 inches	4.8 inches	4.5 inches
Resolution
720 x 1280 pixels (306 ppi)	720 x 1280 pixels (306 ppi)	540 x 960 pixels (245 ppi)
Screen-to-Body Ratio
65.84%	65.09%	65.39%
Multi-Touch

Rear Camera
8 MP, 3264x2448 pixels	8 MP, 3264x2448 pixels	8 MP, 3264 x 2448 pixels
Flash
LED flash	LED flash	LED flash
Features
Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization	Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video
Yes, 1080p@30fps	Yes, 1080p@30fps	-
Front Camera
Yes, 1.9 MP, 720p@30fps	Yes, 1.9 MP, 720p@30fps	5 MP

GPRS
Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps	No	Yes
Edge
Class 12	No	Yes
3G
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps	HSPA+, Rev. A, up to 3.1 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP, EDR	Yes, v4.0 with A2DP, EDR	v4.0, A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB
Yes, microUSB v2.0 (MHL), USB On-the-go	Yes, microUSB v2.0 (MHL), USB On-the-go	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS support	Yes, with A-GPS, GLONASS
Browser
HTML, Adobe Flash	HTML5, Adobe Flash	HTML5