Intel Pentium D 820 vs 4 631 |
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Released January, 2006
Intel Pentium 4 631
- 3 GHz
- Single core
Reasons to buy the 4 631
 | Supports dynamic frequency scaling Yes |
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Differences What are the advantages of each
| |||||||
| CPUBoss is not aware of any important advantages of the Pentium D 820 vs the Pentium 4 631. | |||||||
| |||||||
| Supports dynamic frequency scaling | Yes | vs | No | Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed | |||
|---|---|---|---|---|---|---|---|
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Features Key features of the Pentium D 820 vs 4 631
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Pentium D 820 | vs | 4 631 |
|---|---|---|---|
| Clock speed | 2.8 GHz | 3 GHz | |
| Cores | Dual core | Single core | |
| Socket type | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | No | No | |
| Instruction set extensions | |||
| MMX | |||
| SSE | |||
| SSE2 | |||
| SSE3 | |||
| Supports dynamic frequency scaling | No | Yes | |
power consumption | |||
| TDP | 95W | 86W | |
| Annual home energy cost | 22.89 $/year | 20.72 $/year | |
| Annual commercial energy cost | 83.22 $/year | 75.34 $/year | |
| Typical power consumption | 77.19W | 69.88W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Supports ECC | No | No | |
details | Pentium D 820 | vs | 4 631 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 1 MB/core | 2 MB/core | |
| Manufacture process | 90 nm | 65 nm | |
| Transistor count | 230,000,000 | 188,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 14 | 15 | |
| Voltage range | 1.2 - 1.4V | 1.2 - 1.34V | |
| Operating temperature | Unknown - 64.1°C | Unknown - 1°C | |
overclocking | |||
| Overclocked clock speed | 3.52 GHz | 4.36 GHz | |
| Overclocked clock speed (Water) | 4.25 GHz | 4.64 GHz | |
| PassMark (Overclocked) | 908.7 | 950.2 | |
| Overclocked clock speed (Air) | 3.52 GHz | 4.36 GHz | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 800 MHz | 800 MHz | |
 Intel Pentium D 820  Report a correction |  Intel Pentium 4 631 Report a correction |
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