Intel Core2 Quad Q9550S vs Q9400S |
Released January, 2009
Intel Core2 Quad Q9550S
- 2.83 GHz
- Quad core
Reasons to buy the Intel Core2 Quad Q9550S
 | Higher clock speed 2.83 GHz | | Better overclocked clock speed (Air) 2.83 GHz |
| | Better overclocked clock speed (Water) 2.83 GHz |
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Differences What are the advantages of each
| |||||||
| Higher clock speed | 2.83 GHz | vs | 2.66 GHz | More than 5% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Better overclocked clock speed (Air) | 2.83 GHz | vs | 2.67 GHz | More than 5% better overclocked clock speed (Air) | |||
| Better overclocked clock speed (Water) | 2.83 GHz | vs | 2.67 GHz | More than 5% better overclocked clock speed (Water) | |||
| |||||||
| CPUBoss is not aware of any important advantages of the Q9400S vs the Q9550S. | |||||||
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Features Key features of the Core2 Quad Q9550S vs Q9400S
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Core2 Quad Q9550S | vs | Q9400S |
|---|---|---|---|
| Clock speed | 2.83 GHz | 2.66 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | 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 | 65W | 65W | |
| Annual home energy cost | 15.66 $/year | 15.66 $/year | |
| Annual commercial energy cost | 56.94 $/year | 56.94 $/year | |
| Typical power consumption | 52.81W | 52.81W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 1,333 MHz | 1,333 MHz | |
details | Core2 Quad Q9550S | vs | Q9400S |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 12 MB | 6 MB | |
| L2 cache per core | 3 MB/core | 1.5 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Transistor count | 820,000,000 | 456,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 8 | 8 | |
| Voltage range | 0.85 - 1.36V | 0.85 - 1.36V | |
| Operating temperature | Unknown - 76.3°C | Unknown - 76.3°C | |
overclocking | |||
| Overclocked clock speed | 2.83 GHz | 2.67 GHz | |
| Overclocked clock speed (Water) | 2.83 GHz | 2.67 GHz | |
| Overclocked clock speed (Air) | 2.83 GHz | 2.67 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 Core2 Quad Q9550S  Report a correction |  Intel Core2 Quad Q9400S Report a correction |
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