Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Samsung Galaxy A3 Duos vs Samsung Galaxy A7

general General Info

Manufacturer Samsung Samsung Samsung
Announced December 2012 October 2014 Expected Announcement - December 2014
Status Available - January 2013 Available - November 2014 Rumored - January 2015
Price - Rs. 14,265 ($209.78) [Similarly Priced] Rs. 19,499 ($286.75) [Similarly Priced]
Colors Black, 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 143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 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 162 g (5.71 oz) 110.3 g (3.88.0.11 oz) 133 g (4.69 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
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
3G Network HSDPA 850 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 1900 / 2100 - SIM 1 only
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Dual-core 1.2 GHz Cortex-A9, Broadcom 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 Broadcom VideoCore IV Adreno 306 Adreno 405
RAM 1 GB 1 GB 2 GB
Internal Memory 8 GB 16 GB 16 GB
External Memory microSD, up to 64 GB No microSD, up to 64 GB

display Display

Type Capacitive touchscreen Super AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.5 inches 5.5 inches
Resolution 480 x 800 pixels (187 ppi) 540 x 960 pixels (245 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 64.20% 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, 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, 2 MP [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes 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, LE, EDR v4.0, A2DP, EDR, LE v4.0, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, 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 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 HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 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

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 not 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 440 h - -
Talk Time Up to 10 h 10 min - -