Phone Comparison - Asus Google Nexus 7 vs Karbonn A9 Star vs Samsung Galaxy A7

general General Info

Manufacturer Asus Karbonn Samsung
Announced June 2012 September 2013 Expected Announcement - December 2014
Status Available - July 2012 Available - September 2013 Rumored - January 2015
Price - - Rs. 19,499 ($286.75) [Similarly Priced]
Colors Black Black Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor Candybar Candybar Candybar
Dimension 198.5 x 120 x 10.5 mm
(7.81 x 4.72 x 0.41 in)
- 150.9 x 75.9 x 6.3 mm
(5.94 x 2.99 x 0.25 in)
Weight 340 g (11.99 oz) - 133 g (4.69 oz)
2G Network N/A GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
3G Network N/A HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE
Messaging , Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1 (Jelly Bean), upgradable to v4.1.2 Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.4.4 (KitKat)
Processor Quad-core 1.3 GHz Cortex-A9, Nvidia Tegra 3 Dual-core 1 GHz Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU ULP GeForce - Adreno 405
RAM 1 GB 512 MB 2 GB
Internal Memory 32 GB storage 4 GB 16 GB
External Memory No microSD, up to 32 GB microSD, up to 64 GB

display Display

Type LED-backlit IPS LCD capacitive touchscreen TFT Capacitive Touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 262K colors 16M colors
Size 7.0 inches 3.97 inches 5.5 inches
Resolution 800 x 1280 pixels (216 ppi) 480 x 800 pixels (235 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 59.45% - 72.64%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker no yes yes

camera Camera

Rear Camera 1.2 MP 5 MP, 2592х1944 pixels 12 MP, 4608 x 2592 pixels
Flash No LED flash LED flash
Features Video-calling Auto focus, Geo-tagging, Touch Focus Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama
Video Yes, 720p Yes 1080p@30fps
Front Camera No [Similar] Yes, VGA [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G N/A HSDPA, HSUPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes Yes, with A2DP v4.0, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 b/g/n 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 Yes, microUSB v2.0 microUSB v2.0
GPS Yes Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML, HTML5 HTML HTML5

memory User Memory

Internal 32 GB storage, 1GB RAM 4 GB, 512 MB RAM 16 GB, 2 GB RAM
Expandable Storage No microSD, up to 32 GB 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 supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Non-removable Li-Ion battery
Capacity 4325 mAh 1500 mAh 2600 mAh
Stand by 300 h - -
Talk Time Up to 10 h - -