Intel Core 2 Quad Q8400s | AMD EPYC 7543 | |
CPU comparisonIntel Core 2 Quad Q8400s or AMD EPYC 7543 - 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 Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009. The AMD EPYC 7543 has 32 cores with 64 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7543 was released in Q1/2021. |
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Intel Core2 Quad (19) | Family | AMD EPYC (129) |
Intel Core 2 Quad Q8000/Q9000 (16) | CPU group | AMD EPYC 7003 (29) |
2 | Generation | 3 |
Yorkfield (Penryn) | Architecture | Milan (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q8400s is a 4 core processor with a clock frequency of 2.66 GHz. The AMD EPYC 7543 has 32 CPU cores with a clock frequency of 2.80 GHz (3.70 GHz). |
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Intel Core 2 Quad Q8400s | Characteristic | AMD EPYC 7543 |
4 | Cores | 32 |
4 | Threads | 64 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.66 GHz | Frequency | 2.80 GHz |
-- | Turbo Frequency (1 Core) | 3.70 GHz |
-- | Turbo Frequency (All Cores) | 3.30 GHz |
Memory & PCIeThe Intel Core 2 Quad Q8400s supports a maximum of 16 GB of memory in 2 memory channels. The AMD EPYC 7543 can connect up to 4096 GB of memory in 8 memory channels. |
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Intel Core 2 Quad Q8400s | Characteristic | AMD EPYC 7543 |
DDR3-1066, DDR2-800 | Memory | DDR4-3200 |
16 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
17.1 GB/s | Max. Bandwidth | 204.8 GB/s |
No | ECC | Yes |
4.00 MB | L2 Cache | -- |
-- | L3 Cache | 256.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core 2 Quad Q8400s has a TDP of 65 W, that of the AMD EPYC 7543 is 225 W. |
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Intel Core 2 Quad Q8400s | Characteristic | AMD EPYC 7543 |
65 W | TDP (PL1 / PBP) | 225 W |
-- | TDP (PL2) | -- |
-- | TDP up | 240 W |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Quad Q8400s has a 4.00 MB cache, while the AMD EPYC 7543 cache has a total of 256.00 MB. |
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Intel Core 2 Quad Q8400s | Characteristic | AMD EPYC 7543 |
45 nm | Technology | 7 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 | SP3 |
VT-x, VT-d | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2009 | Release date | Q1/2021 |
-- | Release price | 3761 $ |
show more data | show more data | |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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AMD EPYC 7543
32C 64T @ 3.70 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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AMD EPYC 7543
32C 64T @ 3.70 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 GHz |
Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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AMD EPYC 7543
32C 64T @ 3.30 GHz |
Devices using this processor |
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Intel Core 2 Quad Q8400s | AMD EPYC 7543 |
Unknown | Unknown |