Intel Pentium D 945 vs 955 |
Released July, 2006
Intel Pentium D 945
- 3.4 GHz
- Dual core
Reasons to buy the Intel Pentium D 945
 | Supports dynamic frequency scaling Yes |
VS
Released December, 2005
Intel Pentium 955
- 3.46 GHz
- Dual core
- Unlocked
Reasons to buy the 955
| | Has virtualization support Yes |
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Differences What are the advantages of each
| |||||||
| 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 | |||
|---|---|---|---|---|---|---|---|
| |||||||
| Has virtualization support | Yes | vs | No | Somewhat common; Boosts performance of virtual machines | |||
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Benchmarks Real world tests of Pentium D 945 vs 955
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench
Specifications Full list of technical specs
summary | Pentium D 945 | vs | 955 |
|---|---|---|---|
| Clock speed | 3.4 GHz | 3.46 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | No | Yes | |
| Instruction set extensions | |||
| MMX | |||
| SSE | |||
| SSE2 | |||
| SSE3 | |||
| Supports dynamic frequency scaling | Yes | No | |
power consumption | |||
| TDP | 95W | 130W | |
| Annual home energy cost | 22.89 $/year | 31.32 $/year | |
| Annual commercial energy cost | 83.22 $/year | 113.88 $/year | |
| Performance per watt | 1.14 pt/W | 0.49 pt/W | |
| Typical power consumption | 77.19W | 105.63W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Supports ECC | No | No | |
details | Pentium D 945 | vs | 955 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 4 | |
| L2 cache | 4 MB | 4 MB | |
| L2 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 65 nm | 65 nm | |
| Transistor count | 376,000,000 | 376,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 17 | 13 | |
| Voltage range | 1.2 - 1.34V | 1.2 - 1.34V | |
| Operating temperature | Unknown - 63.4°C | Unknown - 68.6°C | |
overclocking | |||
| Overclocked clock speed | 4.22 GHz | 4.39 GHz | |
| Overclocked clock speed (Water) | 4.59 GHz | 4.61 GHz | |
| Overclocked clock speed (Air) | 4.22 GHz | 4.39 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 | 1,066 MHz | |
 Intel Pentium D 945  Report a correction |  Intel Pentium 955 Report a correction |
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