Hardware Museum
Over 20 years of PC history
Over 20 years of PC history
| Intel Pentium Extreme Edition 840 | Intel Pentium D 820 | |
|---|---|---|
| Code name | SmithField | SmithField |
| Base clock | 3200 MHz | 2800 MHz (0.88×) |
| Turbo full / half / single | - | - | - | - | - | - |
| Technology | 90 nm | 90 nm |
| Transistors | 230 million | 230 million |
| Die size | 206 mm2 | 206 mm2 |
| Cores / threads | 2 / 4 | 2 / 2 |
| L1 data cache | 2 × 16 kB | 2 × 16 kB |
| L1 inst. cache | 2 × 12 kB | 2 × 12 kB |
| L2 cache | 2 × 1024 kB | 2 × 1024 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 | - | 1.35 V |
| TDP | 130 W | 95 W (0.73×) |