Hardware Museum
Over 20 years of PC history
Over 20 years of PC history
| Intel Pentium 4 661 | Intel Pentium 4 651 | |
|---|---|---|
| Code name | Cedar Mill | Cedar Mill |
| Base clock | 3600 MHz | 3400 MHz (0.94×) |
| Turbo full / half / single | - | - | - | - | - | - |
| Technology | 65 nm | 65 nm |
| Transistors | 188 million | 188 million |
| Die size | 81 mm2 | 81 mm2 |
| Cores / threads | 1 / 2 | 1 / 2 |
| L1 data cache | 1 × 16 kB | 1 × 16 kB |
| L1 inst. cache | 1 × 12 kB | 1 × 12 kB |
| L2 cache | 1 × 2048 kB | 1 × 2048 kB |
| L3 cache | - | - |
| Bus type | QDR, 800 MHz, 64 bit | QDR, 800 MHz, 64 bit |
| Bus bandwith | 6400 MB/s | 6400 MB/s |
| Socket | Socket 775 | Socket 775 |
| Voltage | - | 1.25 V |
| TDP | 65 W | 65 W |