Comparison of BenQ-Siemens A58 and Siemens A31 [S]ave
| Attribute |  BenQ-Siemens A58 × | Siemens A31 × |
|---|---|---|
| General | ||
| Brand | BenQ-Siemens | Siemens |
| Launch | ||
| Announced | 2006-05-01 | 2005-11-01 |
| Body | ||
| Width (mm) | 17.6 | 17.6 |
| Length (mm) | 102 | 102 |
| Height (mm) | 46 | 46 |
| Weight (g) | 85 | 85 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| Memory | ||
| Card slot | No | No |
| Internal |
|
|
| Display | ||
| Resolution (px) | 128 x 128 | 128 x 128 |
| Display Type | CSTN | CSTN |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Ion |
| Comms | ||
| WLAN | No | No |
| Bluetooth | Yes | No |
| GPS | - | - |
| Radio | No | No |
| USB | No | No |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | - | - |
| Misc | ||
| Colors |
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| Phonebook | 500 entries | Yes |
| Call records | 10 dialed, 10 received, 10 missed calls | 10 dialed, 10 received, 10 missed calls |
| Alert types | Vibration; Polyphonic(32), MP3 ringtones | Vibration; Polyphonic(32) ringtones |
| Features | ||
| Messaging | SMS, EMS, MMS, Email | SMS, EMS, MMS |
| Browser | WAP 2.0/xHTML | WAP 1.2.1 |
| Games | Yes + Java downloadable | Yes + downloadable |
| Java | Yes, MIDP 2.0 | Yes, MIDP 1.0 |
| Stand-by (h) | 300 | 270 |
| Talk time (h) | Up to 6 h | Up to 5 h |
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