Intel Xeon X5355 vs Core i7 860 |
Released November, 2006
Intel Xeon X5355
- 2.66 GHz
- Quad core
Reasons to buy the Intel Xeon X5355
 | Much more l2 cache 8 MB | | Much lower typical power consumption 97.5W |
| | Much more l2 cache per core 2 MB/core | | Supports more CPUs in SMP configuration 2 |
VS
Released July, 2009
Intel Core i7 860
- 2.8 GHz
- Quad core
Reasons to buy the Core i7 860
| | Much newer manufacturing process 45 nm | | Supports trusted computing Yes |
| | Better geekbench 3 single core score 2,065 | | Significantly better performance per dollar 0.57 pt/$ |
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| |  | Intel Core i7 860CPUBoss Winner |
Differences What are the advantages of each
| |||||||
| Much more l2 cache | 8 MB | vs | 1 MB | 8x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much lower typical power consumption | 97.5W | vs | 156.35W | Around 40% lower typical power consumption | |||
| Much more l2 cache per core | 2 MB/core | vs | 0.25 MB/core | 8x more l2 cache per core | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Much lower annual home energy cost | 28.91 $/year | vs | 53.98 $/year | More than 45% lower annual home energy cost | |||
| Much lower annual commercial energy cost | 105.12 $/year | vs | 157.68 $/year | Around 35% lower annual commercial energy cost | |||
| |||||||
| Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
| Better geekbench 3 single core score | 2,065 | vs | 1,408 | More than 45% better geekbench 3 single core score | |||
| Significantly better performance per dollar | 0.57 pt/$ | vs | 0.22 pt/$ | More than 2.5x better performance per dollar | |||
| Significantly better overclocked clock speed (Air) | 4.14 GHz | vs | 3.24 GHz | Around 30% better overclocked clock speed (Air) | |||
| More threads | 8 | vs | 4 | Twice as many threads | |||
| Newer | Jul, 2009 | vs | Nov, 2006 | Release date over 2 years later | |||
| Better PassMark score | 5,051 | vs | 3,266 | Around 55% better PassMark score | |||
| Much better overclocked clock speed (Water) | 4.15 GHz | vs | 2.66 GHz | More than 55% better overclocked clock speed (Water) | |||
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Benchmarks Real world tests of Xeon X5355 vs Core i7 860
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon X5355 | vs | Core i7 860 |
|---|---|---|---|
| Clock speed | 2.66 GHz | 2.8 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 771 | |||
| LGA 1156 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 120W | 95W | |
| Annual home energy cost | 28.91 $/year | 53.98 $/year | |
| Annual commercial energy cost | 105.12 $/year | 157.68 $/year | |
| Performance per watt | 1.37 pt/W | 0.96 pt/W | |
| Typical power consumption | 97.5W | 156.35W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Supports ECC | No | No | |
details | Xeon X5355 | vs | Core i7 860 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 8 | |
| L2 cache | 8 MB | 1 MB | |
| L2 cache per core | 2 MB/core | 0.25 MB/core | |
| Manufacture process | 65 nm | 45 nm | |
| Transistor count | 582,000,000 | 774,000,000 | |
| Max CPUs | 2 | 1 | |
| Clock multiplier | 8 | 21 | |
| Voltage range | 1 - 1.5V | 0.65 - 1.4V | |
| Operating temperature | Unknown - 70°C | Unknown - 72.7°C | |
overclocking | |||
| Overclocked clock speed | 3.24 GHz | 4.14 GHz | |
| Overclocked clock speed (Water) | 2.66 GHz | 4.15 GHz | |
| Overclocked clock speed (Air) | 3.24 GHz | 4.14 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 | DMI | |
| Number of links | 1 | 1 | |
 Intel Xeon X5355  Report a correction |  Intel Core i7 860 Report a correction |
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