Intel Core 2 Quad Q8400 vs AMD EPYC Embedded 3451
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CPU comparison with benchmarks
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| Intel Core 2 Quad Q8400 | AMD EPYC Embedded 3451 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core 2 Quad Q8400 and the AMD EPYC Embedded 3451 and use benchmarks to check which processor is faster.
We compare the Intel Core 2 Quad Q8400 4 core processor released in Q2/2009 with the AMD EPYC Embedded 3451 which has 16 CPU cores and was introduced in Q1/2018. |
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| Intel Core2 Quad (19) | Family | AMD EPYC (129) |
| Intel Core 2 Quad Q8000/Q9000 (16) | CPU group | AMD EPYC Embedded 3000 (7) |
| 2 | Generation | 1 |
| Yorkfield (Penryn) | Architecture | Snowy Owl (Zen) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q8400 is a 4 core processor with a clock frequency of 2.66 GHz. The processor can compute 4 threads at the same time. The AMD EPYC Embedded 3451 clocks with 2.14 GHz (3.00 GHz), has 16 CPU cores and can calculate 32 threads in parallel. |
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| Intel Core 2 Quad Q8400 | Characteristic | AMD EPYC Embedded 3451 |
| 4 | Cores | 16 |
| 4 | Threads | 32 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | Yes |
| 2.66 GHz | Frequency | 2.14 GHz |
| -- | Turbo Frequency (1 Core) | 3.00 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core 2 Quad Q8400, while the AMD EPYC Embedded 3451 supports a maximum of 1024 GB of memory with a maximum memory bandwidth of 85.3 GB/s enabled. |
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| Intel Core 2 Quad Q8400 | Characteristic | AMD EPYC Embedded 3451 |
| DDR3-1066, DDR2-800 | Memory | DDR4-2666 |
| 16 GB | Max. Memory | 1024 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 17.1 GB/s | Max. Bandwidth | 85.3 GB/s |
| No | ECC | Yes |
| 4.00 MB | L2 Cache | 8.00 MB |
| -- | L3 Cache | 32.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 64 |
| -- | PCIe Bandwidth | 63.0 GB/s |
Thermal ManagementThe Intel Core 2 Quad Q8400 has a TDP of 95 W. The TDP of the AMD EPYC Embedded 3451 is 100 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core 2 Quad Q8400 | Characteristic | AMD EPYC Embedded 3451 |
| 95 W | TDP (PL1 / PBP) | 100 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 80 W |
| -- | Tjunction max. | 105 °C |
Technical detailsThe Intel Core 2 Quad Q8400 has 4.00 MB cache and is manufactured in 45 nm. The cache of AMD EPYC Embedded 3451 is at 40.00 MB. The processor is manufactured in 14 nm. |
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| Intel Core 2 Quad Q8400 | Characteristic | AMD EPYC Embedded 3451 |
| 45 nm | Technology | 14 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE2, SSE3, SSE4.1 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| LGA 775 | Socket | SP4 |
| VT-x, VT-d | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q2/2009 | Release date | Q1/2018 |
| -- | Release price | -- |
| show more data | show more data | |
4C 4T @ 2.66 GHz buy now on Amazon and save!
16C 32T @ 2.14 GHz (3.00 GHz) buy now on Amazon and save!
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 Q8400
4C 4T @ 2.66 GHz |
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AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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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 Q8400
4C 4T @ 2.66 GHz |
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AMD EPYC Embedded 3451
16C 32T @ 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 Q8400
4C 4T @ 2.66 GHz |
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AMD EPYC Embedded 3451
16C 32T @ 2.14 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 Q8400
4C 4T @ 2.66 GHz |
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AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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Devices using this processor |
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| Intel Core 2 Quad Q8400 | AMD EPYC Embedded 3451 |
| Unknown | Unknown |
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