Intel Xeon 5138 vs Core2 Quad Q9400 |
Released December, 2006
Intel Xeon 5138
- 2.13 GHz
- Dual core
Reasons to buy the Intel Xeon 5138
 | Much lower typical power consumption 28.44W | | Supports more CPUs in SMP configuration 2 |
| | Much more l2 cache per core 2 MB/core | | Much lower annual home energy cost 8.43 $/year |
VS
Released July, 2008
Intel Core2 Quad Q9400
- 2.66 GHz
- Quad core
Reasons to buy the Core2 Quad Q9400
| | Much more l2 cache 6 MB | | Much newer manufacturing process 45 nm |
| | Higher clock speed 2.66 GHz | | Much better overclocked clock speed (Air) 3.54 GHz |
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Differences What are the advantages of each
| |||||||
| Much lower typical power consumption | 28.44W | vs | 77.19W | 2.7x lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Supports more CPUs in SMP configuration | 2 | vs | 1 | Twice as many CPUs in SMP configuration | |||
| Much more l2 cache per core | 2 MB/core | vs | 1.5 MB/core | Around 35% more l2 cache per core | |||
| Much lower annual home energy cost | 8.43 $/year | vs | 22.89 $/year | 2.7x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 30.66 $/year | vs | 83.22 $/year | 2.7x lower annual commercial energy cost | |||
| |||||||
| Much more l2 cache | 6 MB | vs | 4 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 | |||
| Higher clock speed | 2.66 GHz | vs | 2.13 GHz | Around 25% higher clock speed | |||
| Much better overclocked clock speed (Air) | 3.54 GHz | vs | 2.13 GHz | More than 65% better overclocked clock speed (Air) | |||
| Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
| More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
| Much better overclocked clock speed (Water) | 4.15 GHz | vs | 2.13 GHz | Around 95% better overclocked clock speed (Water) | |||
| More threads | 4 | vs | 2 | Twice as many threads | |||
| Newer | Jul, 2008 | vs | Dec, 2006 | Release date over 1 years later | |||
Report a correction
Features Key features of the Xeon 5138 vs Core2 Quad Q9400
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Xeon 5138 | vs | Core2 Quad Q9400 |
|---|---|---|---|
| Clock speed | 2.13 GHz | 2.66 GHz | |
| Cores | Dual core | Quad core | |
| Socket type | |||
| LGA 771 | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | Yes | |
| 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 | 35W | 95W | |
| Annual home energy cost | 8.43 $/year | 22.89 $/year | |
| Annual commercial energy cost | 30.66 $/year | 83.22 $/year | |
| Typical power consumption | 28.44W | 77.19W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 1,066 MHz | 1,333 MHz | |
details | Xeon 5138 | vs | Core2 Quad Q9400 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 4 | |
| L2 cache | 4 MB | 6 MB | |
| L2 cache per core | 2 MB/core | 1.5 MB/core | |
| Manufacture process | 65 nm | 45 nm | |
| Transistor count | 291,000,000 | 456,000,000 | |
| Max CPUs | 2 | 1 | |
| Clock multiplier | 8 | 8 | |
| Voltage range | 1 - 1.5V | 0.85 - 1.36V | |
| Operating temperature | Unknown - 70.8°C | Unknown - 71.4°C | |
overclocking | |||
| Overclocked clock speed | 2.13 GHz | 3.54 GHz | |
| Overclocked clock speed (Water) | 2.13 GHz | 4.15 GHz | |
| Overclocked clock speed (Air) | 2.13 GHz | 3.54 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 5138  Report a correction |  Intel Core2 Quad Q9400 Report a correction |
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