Product Overview
| Type | CPU / Microprocessor |
| Market segment | Desktop |
| Family | Intel Pentium 4 |
| Model number | 520 / 520J |
| CPU part numbers | JM80547PG0721M / HH80547PG0721M is an OEM/tray CPU |
| BX80547PG2800E / BX80547PG2800EJ is a boxed microprocessor | |
| Spec Code | SL7J5 / SL7KJ / SL7PR / SL7PT / SL82V / SL82W |
| 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 | Prescott |
| Data width | 32 bit |
| The number of cores | 1 |
| The number of threads | 2 |
| Level 1 cache size | 16 KB |
| Level 2 cache size | 1 MB |