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Intel Core 2 Quad Q6600 vs Intel Core2 Duo E8400
Last updated:
CPU comparison with benchmarks
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| Intel Core 2 Quad Q6600 | Intel Core2 Duo E8400 | |
CPU comparisonIntel Core 2 Quad Q6600 or Intel Core2 Duo E8400 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core 2 Quad Q6600 has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Quad Q6600 was released in Q1/2007. The Intel Core2 Duo E8400 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E8400 was released in Q1/2008. |
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| Intel Core2 Quad (19) | Family | Intel Core2 Duo (29) |
| Intel Core 2 Quad Q6000 (3) | CPU group | Intel Core 2 Duo E7000/E8000 (14) |
| 1 | Generation | 2 |
| Kentsfield (Core) | Architecture | Wolfdale (Penryn) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q6600 is a 4 core processor with a clock frequency of 2.40 GHz. The Intel Core2 Duo E8400 has 2 CPU cores with a clock frequency of 3.00 GHz. |
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| Intel Core 2 Quad Q6600 | Characteristic | Intel Core2 Duo E8400 |
| 4 | Cores | 2 |
| 4 | Threads | 2 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 2.40 GHz | Frequency | 3.00 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core 2 Quad Q6600 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Core2 Duo E8400 can connect up to 16 GB of memory in 2 memory channels. |
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| Intel Core 2 Quad Q6600 | Characteristic | Intel Core2 Duo E8400 |
| DDR3-1066, DDR2-800 | Memory | DDR3-1333, DDR2-1066 |
| 16 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 17.1 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| 8.00 MB | L2 Cache | 6.00 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core 2 Quad Q6600 has a TDP of 105 W, that of the Intel Core2 Duo E8400 is 65 W. |
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| Intel Core 2 Quad Q6600 | Characteristic | Intel Core2 Duo E8400 |
| 105 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Quad Q6600 has a 8.00 MB cache, while the Intel Core2 Duo E8400 cache has a total of 6.00 MB. |
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| Intel Core 2 Quad Q6600 | Characteristic | Intel Core2 Duo E8400 |
| 65 nm | Technology | 45 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE2, SSE3 | ISA extensions | MMX, SSE, SSE2, SSE3, SSE 4.1 |
| LGA 775 | Socket | LGA 775 |
| VT-x | Virtualization | VT-x |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2007 | Release date | Q1/2008 |
| -- | Release price | -- |
| show more data | show more data | |
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2C 2T @ 3.00 GHz buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core 2 Quad Q6600
4C 4T @ 2.40 GHz |
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Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core 2 Quad Q6600
4C 4T @ 2.40 GHz |
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Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core 2 Quad Q6600
4C 4T @ 2.40 GHz |
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Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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CPU-Z Benchmark 17 (Single-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core 2 Quad Q6600
4C 4T @ 2.40 GHz |
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Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core 2 Quad Q6600
4C 4T @ 2.40 GHz |
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Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Devices using this processor |
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| Intel Core 2 Quad Q6600 | Intel Core2 Duo E8400 |
| Unknown | Unknown |
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