Intel Xeon X5570 vs Core i7 920 |
Released March, 2009
Intel Xeon X5570
- 2.93 GHz
- Quad core
Reasons to buy the Intel Xeon X5570
 | Much lower typical power consumption 77.19W | | Higher turbo clock speed 3.33 GHz |
| | Higher clock speed 2.93 GHz | | Supports more CPUs in SMP configuration 2 |
VS
Released October, 2008
Intel Core i7 920
- 2.66 GHz
- Quad core
Reasons to buy the Core i7 920
| | Much better performance per dollar 0.61 pt/$ | | Better overclocked clock speed (Air) 4.22 GHz |
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Intel Xeon X5570CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| Much lower typical power consumption | 77.19W | vs | 135.63W | Around 45% lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Higher turbo clock speed | 3.33 GHz | vs | 2.93 GHz | Around 15% higher turbo clock speed | |||
| Higher clock speed | 2.93 GHz | vs | 2.66 GHz | More than 10% higher clock speed | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Much lower annual home energy cost | 22.89 $/year | vs | 48.38 $/year | 2.1x lower annual home energy cost | |||
| Better PassMark (Single core) score | 1,357 | vs | 1,164 | More than 15% better PassMark (Single core) score | |||
| Much lower annual commercial energy cost | 83.22 $/year | vs | 134.55 $/year | Around 40% lower annual commercial energy cost | |||
| Better performance per watt | 2.61 pt/W | vs | 1.21 pt/W | Around 2.2x better performance per watt | |||
| Higher Maximum operating temperature | 75 °C | vs | 67.9 °C | More than 10% higher Maximum operating temperature | |||
| Newer | Mar, 2009 | vs | Oct, 2008 | Release date 6 months later | |||
| Better overclocked clock speed (Water) | 4.58 GHz | vs | 4.24 GHz | Around 10% better overclocked clock speed (Water) | |||
| |||||||
| Much better performance per dollar | 0.61 pt/$ | vs | 0.17 pt/$ | More than 3.5x better performance per dollar | |||
| Better overclocked clock speed (Air) | 4.22 GHz | vs | 3.75 GHz | Around 15% better overclocked clock speed (Air) | |||
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Benchmarks Real world tests of Xeon X5570 vs Core i7 920
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 X5570 | vs | Core i7 920 |
|---|---|---|---|
| Clock speed | 2.93 GHz | 2.66 GHz | |
| Turbo clock speed | 3.33 GHz | 2.93 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 1366 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| 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 | 95W | 130W | |
| Annual home energy cost | 22.89 $/year | 48.38 $/year | |
| Annual commercial energy cost | 83.22 $/year | 134.55 $/year | |
| Performance per watt | 2.61 pt/W | 1.21 pt/W | |
| Typical power consumption | 77.19W | 135.63W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Triple Channel | Triple Channel | |
| Supports ECC | Yes | No | |
| Maximum bandwidth | 31,999.98 MB/s | 25,599.99 MB/s | |
details | Xeon X5570 | vs | Core i7 920 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 8 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 8 MB | 8 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Transistor count | 731,000,000 | 731,000,000 | |
| Max CPUs | 2 | 1 | |
| Clock multiplier | 22 | 20 | |
| Voltage range | 0.75 - 1.35V | 0.8 - 1.38V | |
| Operating temperature | Unknown - 75°C | Unknown - 67.9°C | |
overclocking | |||
| Overclocked clock speed | 3.75 GHz | 4.22 GHz | |
| Overclocked clock speed (Water) | 4.58 GHz | 4.24 GHz | |
| Overclocked clock speed (Air) | 3.75 GHz | 4.22 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 | QPI | QPI | |
| Number of links | 2 | 1 | |
| Data rate | 51,200 MB/s | 19,200 MB/s | |
| Transfer rate | 6,400 MT/s | 4,800 MT/s | |
| Clock speed | 3,200 MHz | 2,400 MHz | |
 Intel Xeon X5570  Report a correction |  Intel Core i7 920 Report a correction |
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