Phone Comparison - Micromax A87 Ninja 4.0 vs Micromax Bolt A40 vs Karbonn A12+

general General Info

Manufacturer Micromax Micromax Karbonn
Announced September 2012 September 2013 October 2013
Status Available - September 2012 Available - September 2013 Available - October 2013
Colors Black Black White, Black
Form Factor Candybar Candybar Candybar
Dimension 124.8 x 64 x 11.7 mm
(4.91 x 2.52 x 0.46 in)
- -
Weight - - -
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 - SIM 1 only No HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3.5 (Gingerbread) Android OS, v2.3.5 (Gingerbread) Android OS, v4.2.2 (Jelly Bean)
Processor 1 GHz 1 GHz Cortex-A5, Spreadtrum SC6820 Dual-core 1.3 GHz, MTK 6572
GPU - Mali-400 Mali-400MP
RAM 256 MB 512 MB 512 MB
Internal Memory 130 MB 512 MB (75 MB user available) 4 GB (1.27 GB for apps, 1.24 GB user available)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 256K colors 16M colors 16M colors
Size 4.0 inches 4.5 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 57.13% - -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 2 MP, 1600x1200 pixels 2 MP, 1600x1200 pixels 5 MP, 2592х1944 pixels
Flash No LED Flash LED flash
Features Geo-tagging Fixed Focus, Geo-tagging Auto-focus, Geo-tagging, Face Detection, Panorama
Video Yes Yes, 480p Yes, 720p
Front Camera No [Similar] Yes, VGA [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.1 Yes, 2.1 Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, 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 Yes, microUSB v2.0
GPS Yes No Yes, with A-GPS support
Browser HTML HTML HTML

memory User Memory

Internal 130 MB, 256 MB RAM 512 MB (75 MB user available), 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor not present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1400 mAh 1500 mAh 1400 mAh
Stand by Up to 175 h Up to 175 h -
Talk Time Up to 5 h Up to 4 h 30 min -