AMD EPYC 7663 vs AMD EPYC 7543P
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CPU comparison with benchmarks
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| AMD EPYC 7663 | AMD EPYC 7543P | |
CPU comparisonIn this CPU comparison, we compare the AMD EPYC 7663 and the AMD EPYC 7543P and use benchmarks to check which processor is faster.
We compare the AMD EPYC 7663 56 core processor released in Q1/2021 with the AMD EPYC 7543P which has 32 CPU cores and was introduced in Q1/2021. |
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| AMD EPYC (129) | Family | AMD EPYC (129) |
| AMD EPYC 7003 (29) | CPU group | AMD EPYC 7003 (29) |
| 3 | Generation | 3 |
| Milan (Zen 3) | Architecture | Milan (Zen 3) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7663 is a 56 core processor with a clock frequency of 2.00 GHz (3.50 GHz). The processor can compute 112 threads at the same time. The AMD EPYC 7543P clocks with 2.80 GHz (3.70 GHz), has 32 CPU cores and can calculate 64 threads in parallel. |
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| AMD EPYC 7663 | Characteristic | AMD EPYC 7543P |
| 56 | Cores | 32 |
| 112 | Threads | 64 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.00 GHz | Frequency | 2.80 GHz |
| 3.50 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
| 3.00 GHz | Turbo Frequency (All Cores) | 3.30 GHz |
Memory & PCIeUp to 4096 GB of memory in a maximum of 8 memory channels is supported by the AMD EPYC 7663, while the AMD EPYC 7543P supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled. |
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| AMD EPYC 7663 | Characteristic | AMD EPYC 7543P |
| DDR4-3200 | Memory | DDR4-3200 |
| 4096 GB | Max. Memory | 4096 GB |
| 8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
| 204.8 GB/s | Max. Bandwidth | 204.8 GB/s |
| Yes | ECC | Yes |
| -- | L2 Cache | -- |
| 256.00 MB | L3 Cache | 256.00 MB |
| 4.0 | PCIe version | 4.0 |
| 128 | PCIe lanes | 128 |
| 252.0 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe AMD EPYC 7663 has a TDP of 240 W. The TDP of the AMD EPYC 7543P is 225 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD EPYC 7663 | Characteristic | AMD EPYC 7543P |
| 240 W | TDP (PL1 / PBP) | 225 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 240 W |
| 225 W | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7663 has 256.00 MB cache and is manufactured in 7 nm. The cache of AMD EPYC 7543P is at 256.00 MB. The processor is manufactured in 7 nm. |
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| AMD EPYC 7663 | Characteristic | AMD EPYC 7543P |
| 7 nm | Technology | 7 nm |
| Chiplet | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| SP3 | Socket | SP3 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2021 | Release date | Q1/2021 |
| 6366 $ | Release price | 2730 $ |
| show more data | show more data | |
56C 112T @ 2.00 GHz (3.50 GHz) buy now on Amazon and save!
32C 64T @ 2.80 GHz (3.70 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 0 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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AMD EPYC 7663
56C 112T @ 3.50 GHz |
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AMD EPYC 7543P
32C 64T @ 3.70 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD EPYC 7663
56C 112T @ 3.50 GHz |
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AMD EPYC 7543P
32C 64T @ 3.70 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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AMD EPYC 7663
56C 112T @ 3.00 GHz |
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AMD EPYC 7543P
32C 64T @ 3.30 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD EPYC 7663
56C 112T @ 3.50 GHz |
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AMD EPYC 7543P
32C 64T @ 3.70 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD EPYC 7663
56C 112T @ 3.00 GHz |
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AMD EPYC 7543P
32C 64T @ 3.30 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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AMD EPYC 7663
56C 112T @ 3.00 GHz |
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AMD EPYC 7543P
32C 64T @ 3.30 GHz |
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Devices using this processor |
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| AMD EPYC 7663 | AMD EPYC 7543P |
| Unknown | Unknown |
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