Phone Comparison - Karbonn A16 vs Asus Zenfone 4 vs Micromax Unite 2 A106

general General Info

Manufacturer Karbonn Asus Micromax
Announced October 2013 January 2014 May 2014
Status Available - October 2013 Available - June 2014 Available - May 2014
Colors White, Black Black, White, Red, Blue, Yellow Pristine White, Balmy Green, Mystic Grey, Raging Red
Form Factor Candybar Candybar Candybar
Dimension - 124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
138.9 x 71.9 x 9.4 mm
(5.47 x 2.83 x 0.37 in)
Weight - 115 g (4.06 oz) 158.5 g (5.57.0.18 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1.3 GHz, MTK 6572 Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.3 GHz, Mediatek MT6582M
GPU Mali-400MP PowerVR SGX544MP2 Mali-400MP2
RAM 512 MB 1 GB 1 GB
Internal Memory 4 GB 8 GB 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage)
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16.7M colors
Size 3.9 inches 4.0 inches 4.7 inches
Resolution 480 x 800 pixels (239 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (199 ppi)
Screen-to-Body Ratio - 59.74% 62.64%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM Radio FM Radio with Recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 5 MP, 2592 x 1944 pixels 5 MP, 2592x1944 pixels
Flash No No LED flash
Features Adjust Exposure Auto focus, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes, 720p Yes, 1080p@30fps Yes, 1080p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.0 A2DP, EDR Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB ROM, 512 MB RAM 8 GB, 1 GB RAM 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 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 not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Po Battery Li-Ion Battery
Capacity 1350 mAh 1200/1600 mAh 2000 mAh
Stand by - Up to 192 h Up to 190 h
Talk Time - Up to 10 h Up to 8 h