Micromax Bolt A61 vs Celkon A66
General Info
| Manufacturer | |
| Micromax | Celkon |
| Announced | |
| November 2013 | October 2013 |
| Status | |
| Available - November 2013 | Available - October 2013 |
| Colors | |
| Black | Black |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
| - |
136 x 67.2 x 11 mm (5.35 x 2.65 x 0.43 in) |
| Weight | |
| - | 98 g (3.46 oz) |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 2100 - SIM 1 only | No |
| Messaging | |
| SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
Display
Hardware and OS
| OS | |
| Android OS, v4.1 (Jelly Bean) | Android OS, v4.1.2 (Jelly Bean) |
| Processor | |
| 1 GHz, Spreadtrum SC7710 [Similar] | Dual-core 1.2 GHz, MTK 6572 [Similar] |
| GPU | |
| - | Mali-400 [Similar] |
| RAM | |
| 256 MB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | |
| 512 MB (135 MB for Apps) | 4 GB ROM |
| External Memory | |
| microSD, up to 16 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 | |
| Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Class 10 (4+1/3+2 slots), 32 - 48 kbps |
| Edge | |
| Yes | Class 10, 236.8 kbps |
| 3G | |
| HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | No |
| 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 | Yes, microUSB v2.0 |
| GPS | |
| No | Yes, with A-GPS support |
| Browser | |
| HTML | HTML |
User Memory
| Internal | |
| 512 MB (135 MB for Apps), 256 MB RAM | 4 GB ROM, 512 MB RAM |
| Expandable Storage | |
| microSD, up to 16 GB | microSD, up to 32 GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Li-Ion Battery | Li-Po Battery |
| Capacity | |
| 1500 mAh | 2000 mAh |
| Stand by | |
| Up to 160 h | - |
| Talk Time | |
| Up to 3 h 55 min | - |