Product Overview
| Type | CPU / Microprocessor |
| Market segment | Desktop |
| Family | Intel Pentium D |
| Model number | 820 |
| CPU part numbers | HH80551PG0722MN / HH80551PG0721MN are OEM/tray CPU |
| BX80551PG2800FN / BX80551PG2800FT are boxed CPU | |
| Spec Codes | SL88T / SL8CP |
| Frequency | 2800 MHz |
| Bus speed | 800 MHz |
| Package | 775-land Flip Chip Land Grid Array (FC-LGA4) |
| Socket | Socket 775 / LGA775 / T |
| Microarchitecture | Netburst |
| Processor core | Smithfield |
| Data width | 64 bit |
| The number of cores | 2 |
| The number of threads | 2 |
| Level 1 cache size | 2 x 16 KB |
| Level 2 cache size | 2 x 1 MB |