Phone Comparison - Asus Zenfone 4 vs Micromax Unite 2 A106 vs Karbonn Titanium S20

general General Info

Manufacturer Asus Micromax Karbonn
Announced January 2014 May 2014 September 2014
Status Available - June 2014 Available - May 2014 Available - September 2014
Price - - Rs. 5,390 ($79.26) [Similarly Priced]
Colors Black, White, Red, Blue, Yellow Pristine White, Balmy Green, Mystic Grey, Raging Red White, Black
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 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100 HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

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

display Display

Type LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen TFT Capacitive Touchscreen
Colors 16M colors 16.7M colors 16M colors
Size 4.0 inches 4.7 inches 4.5 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (199 ppi) 480 x 854 pixels (218 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 with Recording FM Radio with Recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

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

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 8 GB, 1 GB RAM 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB RAM 4 GB ROM, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB microSD, up to 32 GB
USB OTG - Supported 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-Po Battery Li-Ion Battery Li-Ion Battery
Capacity 1200/1600 mAh 2000 mAh 1600 mAh
Stand by Up to 192 h Up to 190 h -
Talk Time Up to 10 h Up to 8 h -