Micromax Bolt A40 vs Karbonn Smart A51
General Info
| Manufacturer | |
| Micromax | Karbonn |
| Announced | |
| September 2013 | September 2013 |
| Status | |
| Available - September 2013 | Available - September 2013 |
| Colors | |
| Black | White Silver |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
| - | - |
| Weight | |
| - | - |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | |
| No | No |
| Messaging | |
| SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
Display
Hardware and OS
| OS | |
| Android OS, v2.3.5 (Gingerbread) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | |
| 1 GHz Cortex-A5, Spreadtrum SC6820 [Similar] | 1 GHz [Similar] |
| GPU | |
| Mali-400 [Similar] | - |
| RAM | |
| 512 MB [Browse Similar] | 256 MB [Browse Similar] |
| Internal Memory | |
| 512 MB (75 MB user available) | 512 MB (100 MB user available) |
| External Memory | |
| microSD, up to 32 GB | microSD, up to 32 GB |
Camera
Multimedia
| 3.5mm Jack | |
| Radio | |
| FM radio | FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | Yes |
| 3G | |
| No | No |
| Bluetooth | |
| Yes, 2.1 | Yes |
| Wi-Fi | |
| Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g, Wi-Fi hotspot |
| USB | |
| Yes | Yes |
| GPS | |
| No | No |
| Browser | |
| HTML | HTML |
User Memory
| Internal | |
| 512 MB (75 MB user available), 512 MB RAM | 512 MB (100 MB user available), 256 MB RAM |
| Expandable Storage | |
| microSD, up to 32 GB | microSD, up to 32 GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Li-Ion Battery | Li-Ion Battery |
| Capacity | |
| 1500 mAh | 1100 mAh |
| Stand by | |
| Up to 175 h | - |
| Talk Time | |
| Up to 4 h 30 min | - |