Intel Xeon L5640 vs L5630 |
Released March, 2010
Intel Xeon L5640
- 2.26 GHz
- Hexa core
Reasons to buy the Intel Xeon L5640
 | Much more l2 cache 2 MB | | Much better PassMark score 6,451 |
| | Significantly higher turbo clock speed 2.8 GHz | | More cores 6 |
VS
Released March, 2010
Intel Xeon L5630
- 2.13 GHz
- Quad core
Reasons to buy the L5630
| | Much more l3 cache per core 3 MB/core | | Lower typical power consumption 32.5W |
| | Much better overclocked clock speed (Water) 3.48 GHz | | Lower annual commercial energy cost 35.04 $/year |
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Intel Xeon L5640CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| 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 | |||
|---|---|---|---|---|---|---|---|
| Much better PassMark score | 6,451 | vs | 4,420 | More than 45% better PassMark score | |||
| Significantly higher turbo clock speed | 2.8 GHz | vs | 2.4 GHz | More than 15% higher turbo clock speed | |||
| More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
| Much better performance per watt | 10.46 pt/W | vs | 1.92 pt/W | Around 5.5x better performance per watt | |||
| Higher clock speed | 2.26 GHz | vs | 2.13 GHz | More than 5% higher clock speed | |||
| More threads | 12 | vs | 8 | 4 more threads | |||
| Significantly better overclocked clock speed (Air) | 3.9 GHz | vs | 3.66 GHz | More than 5% better overclocked clock speed (Air) | |||
| More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
| |||||||
| Much more l3 cache per core | 3 MB/core | vs | 2 MB/core | 50% more l3 cache per core | |||
| Lower typical power consumption | 32.5W | vs | 48.75W | Around 35% lower typical power consumption | |||
| Much better overclocked clock speed (Water) | 3.48 GHz | vs | 2.27 GHz | Around 55% better overclocked clock speed (Water) | |||
| Lower annual commercial energy cost | 35.04 $/year | vs | 52.56 $/year | Around 35% lower annual commercial energy cost | |||
| Lower annual home energy cost | 9.64 $/year | vs | 14.45 $/year | Around 35% lower annual home energy cost | |||
Report a correction
Benchmarks Real world tests of Xeon L5640 vs L5630
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon L5640 | vs | L5630 |
|---|---|---|---|
| Clock speed | 2.26 GHz | 2.13 GHz | |
| Turbo clock speed | 2.8 GHz | 2.4 GHz | |
| Cores | Hexa core | Quad 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 | 60W | 40W | |
| Annual home energy cost | 14.45 $/year | 9.64 $/year | |
| Annual commercial energy cost | 52.56 $/year | 35.04 $/year | |
| Performance per watt | 10.46 pt/W | 1.92 pt/W | |
| Typical power consumption | 48.75W | 32.5W | |
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 | 25,599.99 MB/s | |
| Maximum memory size | 294,912 MB | 294,912 MB | |
details | Xeon L5640 | vs | L5630 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 12 | 8 | |
| L2 cache | 2 MB | 1 MB | |
| L2 cache per core | 0.33 MB/core | 0.25 MB/core | |
| L3 cache | 12 MB | 12 MB | |
| L3 cache per core | 2 MB/core | 3 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 17 | 16 | |
| Voltage range | 0.75 - 1.35V | 0.75 - 1.35V | |
| Operating temperature | Unknown - 69.4°C | Unknown - 63.1°C | |
overclocking | |||
| Overclocked clock speed | 3.9 GHz | 3.66 GHz | |
| Overclocked clock speed (Water) | 2.27 GHz | 3.48 GHz | |
| Overclocked clock speed (Air) | 3.9 GHz | 3.66 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 | 46,928 MB/s | 46,928 MB/s | |
| Transfer rate | 5,860 MT/s | 5,860 MT/s | |
| Clock speed | 2,930 MHz | 2,930 MHz | |
 Intel Xeon L5640  Report a correction |  Intel Xeon L5630 Report a correction |
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