Intel Pentium D 945 vs 4 650 |
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Differences What are the advantages of each
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| CPUBoss is not aware of any important advantages of the Pentium D 945 vs the Pentium 4 650. | |||||||
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| CPUBoss is not aware of any important advantages of the Pentium 4 650 vs the Pentium D 945. | |||||||
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Features Key features of the Pentium D 945 vs 4 650
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Pentium D 945 | vs | 4 650 |
|---|---|---|---|
| Clock speed | 3.4 GHz | 3.4 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 | Yes | Yes | |
power consumption | |||
| TDP | 95W | 84W | |
| Annual home energy cost | 22.89 $/year | 20.24 $/year | |
| Annual commercial energy cost | 83.22 $/year | 73.58 $/year | |
| Typical power consumption | 77.19W | 68.25W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 800 MHz | 800 MHz | |
details | Pentium D 945 | vs | 4 650 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 4 MB | 2 MB | |
| L2 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 65 nm | 90 nm | |
| Transistor count | 376,000,000 | 169,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 17 | 17 | |
| Voltage range | 1.2 - 1.34V | 1.2 - 1.4V | |
| Operating temperature | Unknown - 63.4°C | Unknown - 66.6°C | |
overclocking | |||
| Overclocked clock speed | 4.22 GHz | 3.98 GHz | |
| Overclocked clock speed (Water) | 4.59 GHz | 4.59 GHz | |
| Overclocked clock speed (Air) | 4.22 GHz | 3.98 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 | |
 Intel Pentium D 945  Report a correction |  Intel Pentium 4 650 Report a correction |
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