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Intel Core2 Quad Q8400
CPUBoss recommends the Intel Core2 Quad Q8400 based on its .
See full details Intel Core2 Quad Q8400 vs Q6600 |
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Released January, 2007
Intel Core2 Quad Q6600
- 2.4 GHz
- Quad core
3.6 Out of 10
by Tech Radar (Aug, 2007)In real terms, quad-threaded applications are thin on the ground and will be until at least this winter.
CPUBoss Review Our evaluation of Q8400 vs Q6600 among desktop CPUs (over 75W)
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Fire Strike | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more | |
| 3.8 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
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| CPUBoss is not aware of any important advantages of the Q8400 vs the Q6600. | |||||||
| |||||||
| CPUBoss is not aware of any important advantages of the Q6600 vs the Q8400. | |||||||
Report a correction
Benchmarks Real world tests of Core2 Quad Q8400 vs 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
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core2 Quad Q8400 | vs | Q6600 |
|---|---|---|---|
| Clock speed | 2.66 GHz | 2.4 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| 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 | 95W | 105W | |
| Annual home energy cost | 51.39 $/year | 25.29 $/year | |
| Annual commercial energy cost | 130.79 $/year | 91.98 $/year | |
| Performance per watt | 0.94 pt/W | 1.19 pt/W | |
| Typical power consumption | 135.97W | 85.31W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 1,333 MHz | 1,066 MHz | |
details | Core2 Quad Q8400 | vs | Q6600 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 4 MB | 8 MB | |
| L2 cache per core | 1 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 65 nm | |
| Transistor count | 456,000,000 | 582,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 8 | 9 | |
| Voltage range | 0.85 - 1.36V | 0.85 - 1.5V | |
| Operating temperature | Unknown - 71.4°C | Unknown - 62.2°C | |
overclocking | |||
| Overclock popularity | 29 | 278 | |
| Overclocked clock speed | 3.48 GHz | 3.52 GHz | |
| Overclocked clock speed (Water) | 3.91 GHz | 3.6 GHz | |
| Overclocked clock speed (Air) | 3.48 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 Core2 Quad Q8400  Report a correction |  Intel Core2 Quad Q6600 Report a correction |
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