Intel Xeon 5133 vs Pentium D 945 |
First seen on June, 2012
Intel Xeon 5133
- 2.2 GHz
- Dual core
Reasons to buy the Intel Xeon 5133
 | Much lower typical power consumption 32.5W | | Has virtualization support Yes |
| | Supports more CPUs in SMP configuration 2 | | Much lower annual home energy cost 9.64 $/year |
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Released July, 2006
Intel Pentium D 945
- 3.4 GHz
- Dual core
Reasons to buy the Pentium D 945
| | Significantly higher clock speed 3.4 GHz |
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Differences What are the advantages of each
| |||||||
| Much lower typical power consumption | 32.5W | vs | 77.19W | 2.4x lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Has virtualization support | Yes | vs | No | Somewhat common; Boosts performance of virtual machines | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Much lower annual home energy cost | 9.64 $/year | vs | 22.89 $/year | 2.4x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 35.04 $/year | vs | 83.22 $/year | 2.4x lower annual commercial energy cost | |||
| Better performance per watt | 2.03 pt/W | vs | 1.14 pt/W | Around 80% better performance per watt | |||
| |||||||
| Significantly higher clock speed | 3.4 GHz | vs | 2.2 GHz | Around 55% higher clock speed | |||
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Features Key features of the Xeon 5133 vs Pentium D 945
clock speed
L2 cache
TDP
Specifications Full list of technical specs
summary | Xeon 5133 | vs | Pentium D 945 |
|---|---|---|---|
| Clock speed | 2.2 GHz | 3.4 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| LGA 771 | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | Yes | No | |
| Instruction set extensions | |||
| MMX | |||
| SSE | |||
| SSE2 | |||
| SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 40W | 95W | |
| Annual home energy cost | 9.64 $/year | 22.89 $/year | |
| Annual commercial energy cost | 35.04 $/year | 83.22 $/year | |
| Performance per watt | 2.03 pt/W | 1.14 pt/W | |
| Typical power consumption | 32.5W | 77.19W | |
details | Xeon 5133 | vs | Pentium D 945 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 4 MB | 4 MB | |
| L2 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 65 nm | 65 nm | |
| Transistor count | 291,000,000 | 376,000,000 | |
| Max CPUs | 2 | 1 | |
| Voltage range | 1.15 - 1.25V | 1.2 - 1.34V | |
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 Xeon 5133  Report a correction |  Intel Pentium D 945 Report a correction |
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