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Intel Core 2 Quad Q8300 vs Intel Core 2 Quad Q8400
Last updated:
CPU comparison with benchmarks
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| Intel Core 2 Quad Q8300 | Intel Core 2 Quad Q8400 | |
CPU comparisonIntel Core 2 Quad Q8300 or Intel Core 2 Quad Q8400 - 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 Q8300 has 4 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Quad Q8300 was released in Q3/2008. The Intel Core 2 Quad Q8400 has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400 was released in Q2/2009. |
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| Intel Core2 Quad (19) | Family | Intel Core2 Quad (19) |
| Intel Core 2 Quad Q8000/Q9000 (16) | CPU group | Intel Core 2 Quad Q8000/Q9000 (16) |
| 2 | Generation | 2 |
| Yorkfield (Penryn) | Architecture | Yorkfield (Penryn) |
| Desktop | Segment | Desktop |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q8300 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Quad Q8300 is 2.50 GHz while the Intel Core 2 Quad Q8400 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Quad Q8400 is at 2.66 GHz. |
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| Intel Core 2 Quad Q8300 | Characteristic | Intel Core 2 Quad Q8400 |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.50 GHz | Frequency | 2.66 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core 2 Quad Q8300 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Core 2 Quad Q8400 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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| Intel Core 2 Quad Q8300 | Characteristic | Intel Core 2 Quad Q8400 |
| DDR3-1066, DDR2-800 | Memory | DDR3-1066, DDR2-800 |
| 16 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 17.1 GB/s | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| 4.00 MB | L2 Cache | 4.00 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core 2 Quad Q8300 is 95 W, while the Intel Core 2 Quad Q8400 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core 2 Quad Q8300 | Characteristic | Intel Core 2 Quad Q8400 |
| 95 W | TDP (PL1 / PBP) | 95 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Quad Q8300 is manufactured in 45 nm and has 4.00 MB cache. The Intel Core 2 Quad Q8400 is manufactured in 45 nm and has a 4.00 MB cache. |
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| Intel Core 2 Quad Q8300 | Characteristic | Intel Core 2 Quad Q8400 |
| 45 nm | Technology | 45 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE2, SSE3, SSE4.1 | ISA extensions | MMX, SSE2, SSE3, SSE4.1 |
| LGA 775 | Socket | LGA 775 |
| VT-x, VT-d | Virtualization | VT-x, VT-d |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q3/2008 | Release date | Q2/2009 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 2.66 GHz buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 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 Q8300
4C 4T @ 2.50 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 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 Q8300
4C 4T @ 2.50 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 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 Q8300
4C 4T @ 2.50 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 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 Q8300
4C 4T @ 2.50 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz |
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Devices using this processor |
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| Intel Core 2 Quad Q8300 | Intel Core 2 Quad Q8400 |
| Unknown | Unknown |
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