| Hardware and OS | Samsung i640 | |
| Operating system | Microsoft Windows Mobile 6.0 Standard | |
| Processor | 32-bit Intel XScale PXA270 416 MHz | |
| Internal memory | 64 MB RAM, 128 MB ROM | |
| External memory | microSD (dedicated slot) | |
| Display | Samsung i640 | other phones |
| Type | TFT | |
| Size | 2.4" inc | |
| Resolution | 320 x 240 px | |
| Screen-to-Body Ratio | 31.0% | |
| Display area | 17.8 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 167 PPI | |
| Colors | 65K | |
| Other | Jog Dial | |
| Connectivity | Samsung i640 | other phones |
| 2G Network | GSM 900 / 1800 / 1900 | |
| Wi-Fi | No | |
| Network | GSM / HSPA | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.0 | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | No | |
| Speed | HSPA 3.6/0.384 Mbps | |
| USB | 1.1 | |
| Camera | Samsung i640 | other phones |
| Main camera | 2 MP, Single | |
| Specs | 2 MP | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Samsung i640 | other phones |
| 3.5 mm Jack | No | |
| Radio | No | |
| Design | Samsung i640 | other phones |
| Colors | Silver | |
| Dimensions | 94.4 x 61 x 16.9 mm | |
| Weight | 148 g | |
| Battery | Samsung i640 | other phones |
| Battery capacity | 1000 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 250 h
Talking time- Up to 6 h
| |
| Other | Samsung i640 | other phones |
| SAR | SAR - 1.18 W/kg (head), 1.12 W/kg (body) | |
| Release date | 2008, February | |
| Sensors | | |
