Samsung Galaxy Grand 2 Duos (Dual SIM) vs Samsung Galaxy Grand 2 vs Samsung Galaxy Star Advance

BASIC INFO
Model No - - Galaxy Star Advance
Status Available. Released, 2013, November Available. Released 2013, December Discontinued
Release Date November, 2013 November, 2013 2014, August
Dimension 146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) 146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) 129.7 x 65.9 x 9.4 mm (5.11 x 2.59 x 0.37 in)
Weight 163 g (5.75 oz) 163 g (5.75 oz) 129 g (4.55 oz)
Colors Black, White, Pink Black, White, Pink Black, White
Body Metrial - - -
W & D Proof - - -
SIM Type - - Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Technology - - GSM
OS Android OS, v4.3 (Jelly Bean) Android OS, v4.3 (Jelly Bean) Android OS, v4.4.2 (KitKat)
PROSESSING
Processor Quad-core 1.2 GHz Quad-core 1.2 GHz 1.2 GHz Cortex-A7
Chipset - - -
GPU - - -
MEMORY
RAM - - 512MB
Storage - - 4 GB
Card Slot 8 GBInternal Storage, 1.5 GB RAM, microSD, up to 64 GB 8 GBInternal Storage, 1.5 GB RAM, microSD, up to 64 GB microSD, up to 32 GB
DISPLAY
Size 720 x 1280 pixels, 5.25 inches (~280 ppi pixel density) 720 x 1280 pixels, 5.25 inches (~280 ppi pixel density) 4.3 inches,
Type TFT capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors
Resolation - - 480 x 800 pixels
PPI - - 217 ppi pixel density
Multi touch - - Yes
Protection - - -
CAMERA
Primary 8 MP, 3264x2448 pixels, autofocus, LED flash with Geo-tagging, touch focus, face and smile detection, image stabilization features 8 MP, 3264x2448 pixels, autofocus, LED flash with Geo-tagging, touch focus, face and smile detection, image stabilization features 3.15 MP, LED flash
Video Yes, 1080p@30fps, stereo sound rec. Yes, 1080p@30fps, stereo sound rec. 320p
Flash - - -
Features - - Geo-tagging
Selfie Yes, 1.9 MP Yes, 1.9 MP No
BATTERY
Battery Li-Ion 2600 mAh battery Li-Ion 2600 mAh battery Li-Ion battery
Capacity - - 1800 mAh
Removable - - Removable
StandBy - - -
Talk Time - - Up to 17 h
Music Play - - Up to 32 h
Browsing - - HTML5
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA HSDPA 850 / 900 / 1900 / 2100 -
4G Network - LTE - SM-G7105 -
Speed - - -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
BlueTooth V4.0 with A2DP, EDR, LE Yes, v4.0 with A2DP, EDR, LE v4.0, A2DP
USB MicroUSB v2.0 Micro USB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS No
NFC - - -
Audio jeck - - 3.5mm Jack
OTHERS
Sensors - - Accelerometer, proximity
Radio - - FM radio
SARUS - - 0.75 W/kg (head) 1.12 W/kg (body)
SAREU - - 0.48 W/kg (head) 0.49 W/kg (body)
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