Comparison of Sony CMD J7 and Alcatel OT 531 [S]ave
| Attribute |  Alcatel OT 531 × | Sony CMD J7 × |
|---|---|---|
| General | ||
| Brand | Alcatel | Sony |
| Launch | ||
| Announced | 2003-03-01 | 2001, Q4 |
| Body | ||
| Width (mm) | 20 | 21 |
| Length (mm) | 116 | 113 |
| Height (mm) | 47 | 44 |
| Weight (g) | 95 | 92 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| Memory | ||
| Card slot | No | No |
| Display | ||
| Resolution (px) | 128 x 141 | 96 x 92 |
| Display Type | CSTN | Grayscale graphic |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Ion |
| Comms | ||
| WLAN | No | No |
| Bluetooth | No | No |
| GPS | - | - |
| Radio | No | No |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | - | - |
| Misc | ||
| Colors |
| - |
| Phonebook | 255 x 6 fields | 500 |
| Call records | 10 dialed, 10 received, 10 missed calls | 10 dialed, 10 received, 10 missed calls |
| Alert types | Vibration; Polyphonic(16) ringtones, composer | Downloadable polyphonic ringtones |
| Infrared port | Yes | - |
| Features | ||
| Messaging | SMS, EMS | SMS, Email |
| Browser | WAP 1.2.1 color image viewer (GIF, PNG, JPG) | WAP, HTML (MS) |
| Clock | Yes | Yes |
| Alarm | Yes | Yes |
| Games | 2 + downloadable | Yes |
| Java | No | No |
| Stand-by (h) | 350 | 200 |
| Talk time (h) | Up to 4 h | 3 h 20 min - 6 h |
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