Comparison of Panasonic G51 and Siemens AL21 [S]ave
| Attribute |  Siemens AL21 × | Panasonic G51 × |
|---|---|---|
| General | ||
| Brand | Siemens | Panasonic |
| Launch | ||
| Announced | 2005-11-01 | 2003, Q4 |
| Body | ||
| Width (mm) | 19.2 | 18 |
| Length (mm) | 86.8 | 80 |
| Height (mm) | 45.8 | 43 |
| Weight (g) | 78 | 74 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| Memory | ||
| Card slot | No | No |
| Internal |
| - |
| Display | ||
| Resolution (px) | 130 x 130 | 128 x 96 |
| Display Type | TFT | CSTN |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Ion |
| Comms | ||
| WLAN | No | No |
| Bluetooth | No | No |
| GPS | - | - |
| Radio | No | No |
| USB | Proprietary | - |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | - | - |
| Misc | ||
| Colors |
|
|
| Phonebook | Yes | 255 |
| Call records | 10 dialed, 10 received, 10 missed calls | 20 dialed, 10 received, 10 missed calls |
| Alert types | Vibration; Polyphonic(32) ringtones | Vibration; Downloadable polyphonic ringtones |
| Features | ||
| Messaging | SMS, EMS, MMS | SMS, EMS |
| Browser | WAP 1.2.1 | WAP 1.2.1 |
| Games | Yes + downloadable | Yes |
| Java | Yes, MIDP 1.0 | No |
| Stand-by (h) | 220 | 200 |
| Talk time (h) | Up to 5 h | Up to 2 h 30 min |
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