Phone Comparison - Samsung I9300 Galaxy S III (S3) vs Samsung Galaxy A3 Duos vs Samsung Galaxy A7

general General Info

Manufacturer Samsung Samsung Samsung
Announced May 2012 October 2014 Expected Announcement - December 2014
Status Available - May 2012 Available - November 2014 Rumored - January 2015
Price - Rs. 14,265 ($209.78) [Similarly Priced] Rs. 19,499 ($286.75) [Similarly Priced]
Colors Blue, White Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B 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)
130.1 x 65.5 x 6.9 mm
(5.12 x 2.58 x 0.27 in)
150.9 x 75.9 x 6.3 mm
(5.94 x 2.99 x 0.25 in)
Weight 133 g (4.69 oz) 110.3 g (3.88.0.11 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE (regional) LTE LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Mali-400MP Adreno 306 Adreno 405
RAM 1 GB 1 GB 2 GB
Internal Memory 16/32/64 GB storage 16 GB 16 GB
External Memory microSD, up to 64 GB No microSD, up to 64 GB

display Display

Type Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.8 inches 4.5 inches 5.5 inches
Resolution 720 x 1280 pixels (306 ppi) 540 x 960 pixels (245 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 65.84% 65.39% 72.64%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS - -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264 x 2448 pixels 12 MP, 4608 x 2592 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, Geo-tagging, Touch Focus, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video Yes, 1080p@30fps - 1080p@30fps
Front Camera Yes, 1.9 MP, 720p@30fps [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR v4.0, A2DP, EDR, LE 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 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML, Adobe Flash HTML5 HTML5

memory User Memory

Internal 16/32/64 GB storage, 1 GB RAM 16 GB, 1 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB No microSD, up to 64 GB
USB OTG Supported - -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Ion Battery Non-removable Li-Ion battery
Capacity 2100 mAh 1900 mAh 2600 mAh
Stand by Up to 830Hr (2G)/up to 770Hr hours (3G) - -
Talk Time Up to 1350Min (2G)/up to 700Min hours (3G) - -