Samsung E640
Memory
| Internal | 32MB |
| Call records | 20 dialed, 20 received, 20 missed calls |
| Phonebook | Yes |
| Card slot | No |
Main Camera
| Video | QCIF |
| Features | LED flash |
| Single | 1.3 MP |
Selfie camera
No |
Display
Second external OLED dispalay, 65K colors (80 x 64 pixels) | |
| Resolution | 176 x 220 pixels |
| Size | |
| Type | TFT, 256K colors |
Body
| SIM | Mini-SIM |
| Weight | 90 g (3.17 oz) |
| Dimensions | 85.5 x 45.1 x 23.5 mm (3.37 x 1.78 x 0.93 in) |
Battery
| Type | Removable Li-Ion 820 mAh battery |
Sound
| 3.5mm jack | No |
| Alert types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | No |
Features
MP3/AAC+/MP4 player Predictive text input Organizer SyncML vCalendar vCard | |
| Java | Yes, MIDP 2.0 |
| Games | Yes + downloadable |
| Browser | WAP 2.0/xHTML |
| Messaging | SMS, MMS, EMail |
| Sensors |
Misc
| SAR EU | 0.76 W/kg (head) |
| Colors | Silver |
Comms
| USB | Proprietary |
| Radio | No |
| GPS | No |
| Bluetooth | 1.2 |
| WLAN | No |
Launch
| Status | Discontinued |
| Announced | 2005, Q1 |
Network
| EDGE | No |
| GPRS | Class 10 |
| 2G bands | GSM 900 / 1800 / 1900 |
| Technology |