| Local Name | i640 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2008, February. Released 2008, February |
| Status | Discontinued |
| Dimensions | 94.4 x 61 x 16.9 mm (3.72 x 2.40 x 0.67 in) |
| Weight | 148 g (5.22 oz) |
| Keyboard | QWERTY |
| SIM | Mini-SIM |
| Display Type | TFT, 65K colors |
| Screen Size | 2.4 inches (~31.0% screen-to-body ratio) |
| Resolution | 320 x 240 pixels (~167 ppi pixel density) | Jog Dial |
| OS | Microsoft Windows Mobile 6.0 Standard |
| CPU | 32-bit Intel XScale PXA270 416 MHz |
| Card Slot | microSD |
| Internal Memory | 64 MB RAM, 128 MB ROM |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Video | Yes |
| Secondary Camera | VGA videocall camera |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0 |
| GPS | No |
| Radio | No |
| USB | v1.1 |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML, HTML, RSS feeds |
| Java | Yes, MIDP 2.0 |
| Features Summary | WMV/3GP/MP4 player, WMA/MP3/AAC+ player, Organizer, Pocket Office, Voice memo |
| Battery | Li-Ion 1000 mAh battery |
| Stand By | Up to 250 h |
| Talk Time | Up to 6 h |
| Colors | Silver |
| SAR US | 1.18 W/kg (head) 1.12 W/kg (body) |
