Micromax Bolt A37B vs Karbonn Smart A12 Star
General Info
| Manufacturer | |
| Micromax | Karbonn |
| Announced | |
| January 2014 | June 2014 |
| Status | |
| Available - January 2014 | Available - June 2014 |
| Colors | |
| Black | White, Black |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
| - |
124.2 x 64.2 x 10.1 mm (4.89 x 2.53 x 0.4 in) |
| Weight | |
| - | 130 g (4.59 oz) |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 2100 | HSDPA 2100 |
| Messaging | |
| SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
Display
Hardware and OS
| OS | |
| Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | |
| Dual-core 1.3 GHz, MTK 6572M [Similar] | Dual-core 1.2 GHz, MTK 6572 [Similar] |
| GPU | |
| Mali-400 [Similar] | Mali-400MP [Similar] |
| RAM | |
| 256 MB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | |
| 512 MB (107 MB for Apps, 27.82 MB for Mass Storage) | 4 GB (2.4 GB internal storage) |
| 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 | |
| HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | |
| Yes, v2.1 with EDR | 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 |
| USB | |
| Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | |
| No | Yes, with A-GPS support |
| Browser | |
| HTML | HTML |
User Memory
| Internal | |
| 512 MB (107 MB for Apps, 27.82 MB for Mass Storage), 256 MB RAM | 4 GB (2.4 GB internal storage), 512 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 | |
| 1450 mAh | 1400 mAh |
| Stand by | |
| Up to 256 h | Up to 300 h (2G) |
| Talk Time | |
| Up to 5 h 30 min | - |