Karbonn Smart A51 vs Panasonic T31
General Info
| Manufacturer | |
| Karbonn | Panasonic |
| Announced | |
| September 2013 | October 2013 |
| Status | |
| Available - September 2013 | Available - November 2013 |
| Colors | |
| White Silver | Bluish Black, Pure White |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
| - |
122 x 64.4 x 11.95 mm (4.8 x 2.54 x 0.47 in) |
| Weight | |
| - | 120 g (4.23 oz) |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | |
| No | HSDPA 850 / 1900 / 2100 |
| Messaging | |
| SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
Display
Hardware and OS
| OS | |
| Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade |
| Processor | |
| 1 GHz [Similar] | Dual-core 1.3 GHz, MTK 6572 [Similar] |
| GPU | |
| - | Mali-400 [Similar] |
| RAM | |
| 256 MB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | |
| 512 MB (100 MB user available) | 4 GB (1.9 GB user memory) |
| External Memory | |
| microSD, up to 32 GB | microSD, up to 32 GB |
Camera
Multimedia
| 3.5mm Jack | |
| Radio | |
| FM radio | FM Radio with Recording |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | Yes |
| 3G | |
| No | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | |
| Yes | Yes, v4.0 with A2DP |
| Wi-Fi | |
| Wi-Fi 802.11 b/g, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | |
| Yes | Yes, microUSB v2.0 |
| GPS | |
| No | Yes, with A-GPS support |
| Browser | |
| HTML | HTML5 |
User Memory
| Internal | |
| 512 MB (100 MB user available), 256 MB RAM | 4 GB (1.9 GB user memory), 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 | |
| 1100 mAh | 1300 mAh |
| Stand by | |
| - | Up to 510 h (2G) Up to 400 h (3G) |
| Talk Time | |
| - | Up to 3 h 30 min (2G) Up to 9 h 30 min (3G) |