| Local Name | P505 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2006, March |
| Status | Discontinued |
| Dimensions | 108 x 60 x 22.5 mm (4.25 x 2.36 x 0.89 in) |
| Weight | 165g (5.82 oz) |
| SIM | Mini-SIM |
| Display Type | TFT resistive touchscreen, 65K colors |
| Screen Size | 2.8 inches (~37.5% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~143 ppi pixel density) |
| OS | Microsoft Windows Mobile OS for PocketPC |
| CPU | Intel PXA270 416 MHz |
| Card Slot | MMC/SD, SDIO |
| Internal Memory | 64 MB RAM, 64 MB ROM |
| Primary Camera | 1.3 MP, 1280 x 1024 pixels, LED flash |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, WAV, WMA, MIDI ringtones |
| Loudspeaker | No |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v1.1 |
| GPS | No |
| Infrared Port | Yes |
| Radio | No |
| USB | v1.1 |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | No |
| Java | Yes, MIDP 2.0; CLDC 1.1 |
| Features Summary | Asus Smart Keeper, Instant capturing, Image editing, MMS Composer, Conference call for max. 5 persons, PC Sync, Pocket Office, Organizer, World time, Stopwatch |
| Battery | Li-Ion 1000 mAh battery |
| Stand By | Up to 140 h |
| Talk Time | Up to 4 h |
| Colors | Silver |