Karbonn K440 vs Karbonn K451+ Sound Wave
General Info
| Manufacturer | |
| Karbonn | Karbonn |
| Announced | |
| 2012 | 2012 |
| Status | |
| Available | Available |
| Colors | |
| Black/White, Black/Red | Silver/Black |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
119.5 x 54 x 13.5 mm (4.7 x 2.13 x 0.53 in) |
116.5 x 51.9 x 14.6 mm (4.59 x 2.04 x 0.57 in) |
| Weight | |
| - | - |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | |
| N/A | N/A |
| Messaging | |
| SMS, MMS | SMS, MMS |
Display
Hardware and OS
| OS | |
| - | - |
| Processor | |
| - | - |
| GPU | |
| - | - |
| RAM | |
| N/A | N/A |
| Internal Memory | |
| - | - |
| External Memory | |
| microSD, up to 16 GB | microSD, up to 8 GB |
Camera
Multimedia
| 3.5mm Jack | |
| Radio | |
| FM radio; FM recording | FM radio; FM recording |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| No | No |
| 3G | |
| N/A | N/A |
| Bluetooth | |
| Yes | Yes |
| Wi-Fi | |
| No | No |
| USB | |
| Yes | Yes |
| GPS | |
| No | No |
| Browser | |
| Yes | Yes |
User Memory
| Phonebook | |
| 1000 entries | 500 entries |
| Call Records | |
| Yes | Yes |
| Internal | |
| - | - |
| Expandable Storage | |
| microSD, up to 16 GB | microSD, up to 8 GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Li-Ion Battery | Li-Ion Battery |
| Capacity | |
| 2100 mAh | 1800 mAh |
| Stand by | |
| Up to 800 h | Up to 500 h |
| Talk Time | |
| Up to 12 h | Up to 8 h |