Intel Xeon L5408 vs Core2 Quad Q6600 |
Released February, 2008
Intel Xeon L5408
- 2.13 GHz
- Quad core
Reasons to buy the Intel Xeon L5408
 | Much more l2 cache 12 MB | | Much newer manufacturing process 45 nm |
| | Much lower typical power consumption 32.5W | | Much more l2 cache per core 3 MB/core |
VS
Released January, 2007
Intel Core2 Quad Q6600
- 2.4 GHz
- Quad core
Reasons to buy the Core2 Quad Q6600
| | Higher clock speed 2.4 GHz | | Slightly better overclocked clock speed (Air) 3.52 GHz |
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Intel Xeon L5408CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| Much more l2 cache | 12 MB | vs | 8 MB | 50% more l2 cache; more data can be stored in the l2 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much lower typical power consumption | 32.5W | vs | 85.31W | 2.6x lower typical power consumption | |||
| Much more l2 cache per core | 3 MB/core | vs | 2 MB/core | 50% more l2 cache per core | |||
| Much better geekbench 3 AES single core score | 105,400 MB/s | vs | 102,800 MB/s | Around 5% better geekbench 3 AES single core score | |||
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Better geekbench 3 Multi-Core score | 6,095 | vs | 4,490 | More than 35% better geekbench 3 Multi-Core score | |||
| Better performance per watt | 3.41 pt/W | vs | 1.19 pt/W | More than 2.8x better performance per watt | |||
| Higher Maximum operating temperature | 72 °C | vs | 62.2 °C | More than 15% higher Maximum operating temperature | |||
| Much lower annual home energy cost | 9.64 $/year | vs | 25.29 $/year | 2.6x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 35.04 $/year | vs | 91.98 $/year | 2.6x lower annual commercial energy cost | |||
| Newer | Feb, 2008 | vs | Jan, 2007 | Release date over 1 years later | |||
| Better overclocked clock speed (Water) | 4.12 GHz | vs | 3.6 GHz | Around 15% better overclocked clock speed (Water) | |||
| |||||||
| Higher clock speed | 2.4 GHz | vs | 2.13 GHz | Around 15% higher clock speed | |||
| Slightly better overclocked clock speed (Air) | 3.52 GHz | vs | 3.34 GHz | More than 5% better overclocked clock speed (Air) | |||
Report a correction
Benchmarks Real world tests of Xeon L5408 vs Core2 Quad Q6600
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 L5408 | vs | Core2 Quad Q6600 |
|---|---|---|---|
| Clock speed | 2.13 GHz | 2.4 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 771 | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 40W | 105W | |
| Annual home energy cost | 9.64 $/year | 25.29 $/year | |
| Annual commercial energy cost | 35.04 $/year | 91.98 $/year | |
| Performance per watt | 3.41 pt/W | 1.19 pt/W | |
| Typical power consumption | 32.5W | 85.31W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 1,066 MHz | 1,066 MHz | |
details | Xeon L5408 | vs | Core2 Quad Q6600 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 12 MB | 8 MB | |
| L2 cache per core | 3 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 65 nm | |
| Transistor count | 820,000,000 | 582,000,000 | |
| Max CPUs | 2 | 1 | |
| Clock multiplier | 8 | 9 | |
| Voltage range | 0.85 - 1.35V | 0.85 - 1.5V | |
| Operating temperature | Unknown - 72°C | Unknown - 62.2°C | |
overclocking | |||
| Overclocked clock speed | 3.34 GHz | 3.52 GHz | |
| Overclocked clock speed (Water) | 4.12 GHz | 3.6 GHz | |
| Overclocked clock speed (Air) | 3.34 GHz | 3.52 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 | |
 Intel Xeon L5408  Report a correction |  Intel Core2 Quad Q6600 Report a correction |
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