Intel Xeon W3520 vs Atom C2308 |
Released March, 2009
Intel Xeon W3520
- 2.66 GHz
- Quad core
Reasons to buy the Intel Xeon W3520
 | Much higher clock speed 2.66 GHz | | Much better overclocked clock speed (Air) 4.38 GHz |
| | More cores 4 | | Supports dynamic frequency scaling Yes |
VS
Released April, 2014
Intel Atom C2308
- 1.25 GHz
- Dual core
Reasons to buy the Atom C2308
| | Much lower typical power consumption 4.88W | | Newer manufacturing process 22 nm |
| | Much lower annual commercial energy cost 5.26 $/year | | Much lower annual home energy cost 1.45 $/year |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 2.66 GHz | vs | 1.25 GHz | Around 2.2x higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much better overclocked clock speed (Air) | 4.38 GHz | vs | 1.25 GHz | More than 3.5x better overclocked clock speed (Air) | |||
| More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
| 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 | |||
| More threads | 8 | vs | 2 | 6 more threads | |||
| Much better overclocked clock speed (Water) | 4.46 GHz | vs | 1.25 GHz | More than 3.5x better overclocked clock speed (Water) | |||
| |||||||
| Much lower typical power consumption | 4.88W | vs | 105.63W | 21.7x lower typical power consumption | |||
| Newer manufacturing process | 22 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much lower annual commercial energy cost | 5.26 $/year | vs | 113.88 $/year | 21.7x lower annual commercial energy cost | |||
| Much lower annual home energy cost | 1.45 $/year | vs | 31.32 $/year | 21.7x lower annual home energy cost | |||
| Newer | Apr, 2014 | vs | Mar, 2009 | Release date over 5 years later | |||
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Features Key features of the Xeon W3520 vs Atom C2308
clock speed
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Xeon W3520 | vs | Atom C2308 |
|---|---|---|---|
| Clock speed | 2.66 GHz | 1.25 GHz | |
| Cores | Quad core | Dual core | |
features | |||
| Has a NX bit | 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 | No | |
power consumption | |||
| TDP | 130W | 6W | |
| Annual home energy cost | 31.32 $/year | 1.45 $/year | |
| Annual commercial energy cost | 113.88 $/year | 5.26 $/year | |
| Typical power consumption | 105.63W | 4.88W | |
bus | |||
| Architecture | QPI | FSB | |
| Number of links | 1 | 1 | |
details | Xeon W3520 | vs | Atom C2308 |
|---|---|---|---|
| Threads | 8 | 2 | |
| Manufacture process | 45 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 4.38 GHz | 1.25 GHz | |
| Overclocked clock speed (Water) | 4.46 GHz | 1.25 GHz | |
| Overclocked clock speed (Air) | 4.38 GHz | 1.25 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 | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Triple Channel | Single Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 25,599.99 MB/s | 10,666.66 MB/s | |
| Maximum memory size | 24,576 MB | 16,384 MB | |
 Intel Xeon W3520  Report a correction |  Intel Atom C2308 Report a correction |
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