| Attribute | Siemens ST55 × | Amoi CS6 × |
|---|---|---|
| General | ||
| Brand | Siemens | Amoi |
| Launch | ||
| Announced | 2003, Q3 | 2004, Q1 |
| Body | ||
| Width (mm) | 22 | 21 |
| Length (mm) | 99 | 91.5 |
| Height (mm) | 47 | 44 |
| Weight (g) | 87 | 80 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
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| 2G bands |
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| Memory | ||
| Card slot | No | No |
| Display | ||
| Resolution (px) | 120 x 160 | 128 x 128 |
| Display Type | TFT | CSTN |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Ion |
| Main Camera | ||
| Main Camera Type | Single | - |
| Main Camera Properties |
| - |
| Main Camera Video | No | - |
| Comms | ||
| WLAN | No | No |
| Bluetooth | No | No |
| GPS | - | - |
| Radio | No | No |
| Sound | ||
| Loudspeaker | + | - |
| 3.5mm jack | - | - |
| Phonebook | 255 x 15 entries | 500 |
| Call records | 10 dialed, 20 received, 20 missed calls | 10 dialed, 10 received, 10 missed calls |
| Alert types | Vibration; Downloadable polyphonic ringtones | Vibration; Downloadable polyphonic ringtones |
| Features | ||
| Messaging | SMS, EMS, MMS, Email | SMS, EMS, MMS |
| Browser | WAP 2.0/xHTML | WAP |
| Clock | Yes | - |
| Alarm | Yes | - |
| Games | 3 - Wacko, Toggle, Tetris + Java | 6 + Java downloadable |
| Java | No | Yes |
| Stand-by (h) | 140 | 100 |
| Talk time (h) | Up to 4 h 30 min | Up to 3 h |