| Local Name | D820 |
| Additional Information | Samsung T809 for T-Mobile |
| Technology | GSM |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2005, 4Q |
| Status | Discontinued |
| Dimensions | 95 x 51 x 15.2 mm (3.74 x 2.01 x 0.60 in) |
| Weight | 99 g (3.49 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.1 inches, 32 x 42 mm (~28.2% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~190 ppi pixel density) |
| Card Slot | microSD |
| Phone Book | 1000 x 12 fields, Photo call |
| Call Records | 30 dialed, 30 received, 30 missed calls |
| Internal Memory | 73 MB | 4 MB for Java apps |
| Primary Camera | 1.3 MP, 1280 x 1024 pixels, 180 deg rotating lens |
| Video | CIF |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v1.2, A2DP |
| GPS | No |
| Radio | No |
| USB | v1.1 |
| Messaging | SMS, EMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | TV-out, MP3/AAC+/MP4 player, Picsel viewer, SyncML, Predictive text input, Organizer, Voice memo |
| Battery | Li-Ion 800 mAh battery |
| Stand By | Up to 180 h |
| Talk Time | Up to 3 h |
| Colors | Noir Black, Blue Black, Charcoal Gray |
| SAR US | 0.36 W/kg (head) 0.41 W/kg (body) |
| SAR EU | 0.70 W/kg (head) |
