Intel Xeon X5677 vs X5675 |
Released March, 2010
Intel Xeon X5677
- 3.46 GHz
- Quad core
Reasons to buy the Intel Xeon X5677
 | Much higher clock speed 3.46 GHz | | Higher turbo clock speed 3.73 GHz |
| | Much better overclocked clock speed (Air) 4.78 GHz | | Much more l3 cache per core 3 MB/core |
VS
Released February, 2011
Intel Xeon X5675
- 3.06 GHz
- Hexa core
Reasons to buy the X5675
| | Much more l2 cache 2 MB | | More cores 6 |
| | More threads 12 | | Significantly lower typical power consumption 77.19W |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 3.46 GHz | vs | 3.06 GHz | Around 15% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Higher turbo clock speed | 3.73 GHz | vs | 3.46 GHz | Around 10% higher turbo clock speed | |||
| Much better overclocked clock speed (Air) | 4.78 GHz | vs | 4.29 GHz | More than 10% better overclocked clock speed (Air) | |||
| Much more l3 cache per core | 3 MB/core | vs | 2 MB/core | 50% more l3 cache per core | |||
| |||||||
| Much more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
| More threads | 12 | vs | 8 | 4 more threads | |||
| Significantly lower typical power consumption | 77.19W | vs | 105.63W | More than 25% lower typical power consumption | |||
| Much better overclocked clock speed (Water) | 4.77 GHz | vs | 3.47 GHz | Around 40% better overclocked clock speed (Water) | |||
| More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
| Significantly lower annual commercial energy cost | 83.22 $/year | vs | 113.88 $/year | More than 25% lower annual commercial energy cost | |||
| Significantly lower annual home energy cost | 22.89 $/year | vs | 31.32 $/year | More than 25% lower annual home energy cost | |||
| Newer | Feb, 2011 | vs | Mar, 2010 | Release date 11 months later | |||
Report a correction
Benchmarks Real world tests of Xeon X5677 vs X5675
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 X5677 | vs | X5675 |
|---|---|---|---|
| Clock speed | 3.46 GHz | 3.06 GHz | |
| Turbo clock speed | 3.73 GHz | 3.46 GHz | |
| Cores | Quad core | Hexa core | |
| Socket type | |||
| LGA 1366 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 130W | 95W | |
| Annual home energy cost | 31.32 $/year | 22.89 $/year | |
| Annual commercial energy cost | 113.88 $/year | 83.22 $/year | |
| Performance per watt | 6.45 pt/W | 8.89 pt/W | |
| Typical power consumption | 105.63W | 77.19W | |
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 | Yes | |
| Maximum bandwidth | 31,999.98 MB/s | 31,999.98 MB/s | |
| Maximum memory size | 294,912 MB | 294,912 MB | |
details | Xeon X5677 | vs | X5675 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 12 | |
| L2 cache | 1 MB | 2 MB | |
| L2 cache per core | 0.25 MB/core | 0.33 MB/core | |
| L3 cache | 12 MB | 12 MB | |
| L3 cache per core | 3 MB/core | 2 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 26 | 23 | |
| Voltage range | 0.75 - 1.35V | 0.75 - 1.35V | |
| Operating temperature | Unknown - 80.4°C | Unknown - 81.3°C | |
overclocking | |||
| Overclocked clock speed | 4.78 GHz | 4.29 GHz | |
| Overclocked clock speed (Water) | 3.47 GHz | 4.77 GHz | |
| Overclocked clock speed (Air) | 4.78 GHz | 4.29 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 | 2 | |
| Data rate | 51,200 MB/s | 51,200 MB/s | |
| Transfer rate | 6,400 MT/s | 6,400 MT/s | |
| Clock speed | 3,200 MHz | 3,200 MHz | |
 Intel Xeon X5677  Report a correction |  Intel Xeon X5675 Report a correction |
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