Karbonn Titanium S5i 
Micromax A51 BoltKarbonn Titanium S5i vs Micromax A51 Bolt
General Info
| Manufacturer | |
| Karbonn | Micromax |
| Announced | |
| January 2014 | March 2013 |
| Status | |
| Available - January 2014 | Available - April 2013 |
| Colors | |
| Deep Blue, Pearl White | Black, White |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
| - |
118.5 x 62.5 x 12.8 mm (4.67 x 2.46 x 0.5 in) |
| Weight | |
| - | 118 g (4.16 oz) |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 2100 | HSDPA 900 / 2100 - SIM 1 Only |
| Messaging | |
| SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
Hardware and OS
| OS | |
| Android OS, v4.2.2 (Jelly Bean) | Android OS, v2.3.7 (Gingerbread) |
| Processor | |
| Dual-core 1 GHz [Similar] | 832 MHz, brcm_21552 [Similar] |
| GPU | |
| - | - |
| RAM | |
| 512 MB [Browse Similar] | 256 MB [Browse Similar] |
| Internal Memory | |
| N/A | 512 MB ROM |
| External Memory | |
| microSD, up to 32 GB | microSD, up to 32 GB |
Display
Camera
Multimedia
| 3.5mm Jack | |
 |
|
| Radio | |
| FM radio; FM recording | Stereo FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
|
|
Connectivity and Data Rate
| GPRS | |
| Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | |
| Yes | Yes |
| 3G | |
| HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA |
| Bluetooth | |
| Yes, with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | |
| Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | |
| Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | |
| Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | |
| HTML5 | HTML |
User Memory
| Internal | |
| 512 MB RAM | 512 MB ROM, 256 MB RAM |
| Expandable Storage | |
| microSD, up to 32 GB | microSD, up to 32 GB |
Sensors
| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
|
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| NFC | |
|
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Battery
| Type | |
| Li-Ion Battery | Li-Ion Battery |
| Capacity | |
| 2000 mAh | 1500 mAh |
| Stand by | |
| - | Up to 140 h |
| Talk Time | |
| - | Up to 4 h 30 min |
