AMD EPYC 7543P vs AMD Ryzen Threadripper PRO 3945WX
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CPU comparison with benchmarks
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| AMD EPYC 7543P | AMD Ryzen Threadripper PRO 3945WX | |
CPU comparisonAMD EPYC 7543P or AMD Ryzen Threadripper PRO 3945WX - 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 AMD EPYC 7543P has 32 cores with 64 threads and clocks with a maximum frequency of 3.70 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7543P was released in Q1/2021. The AMD Ryzen Threadripper PRO 3945WX has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 2048 GB of memory in 8 memory channels. The AMD Ryzen Threadripper PRO 3945WX was released in Q1/2021. |
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| AMD EPYC (129) | Family | AMD Ryzen Threadripper PRO (15) |
| AMD EPYC 7003 (29) | CPU group | AMD Ryzen Threadripper PRO 3000 (4) |
| 3 | Generation | 3 |
| Milan (Zen 3) | Architecture | Castle Peak (Zen 2) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | AMD Ryzen Threadripper PRO 5945WX |
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CPU Cores and Base FrequencyThe AMD EPYC 7543P is a 32 core processor with a clock frequency of 2.80 GHz (3.70 GHz). The AMD Ryzen Threadripper PRO 3945WX has 12 CPU cores with a clock frequency of 4.00 GHz (4.30 GHz). |
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| AMD EPYC 7543P | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
| 32 | Cores | 12 |
| 64 | Threads | 24 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | Yes |
| 2.80 GHz | Frequency | 4.00 GHz |
| 3.70 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
| 3.30 GHz | Turbo Frequency (All Cores) | 4.20 GHz |
Memory & PCIeThe AMD EPYC 7543P supports a maximum of 4096 GB of memory in 8 memory channels. The AMD Ryzen Threadripper PRO 3945WX can connect up to 2048 GB of memory in 8 memory channels. |
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| AMD EPYC 7543P | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
| DDR4-3200 | Memory | DDR4-3200 |
| 4096 GB | Max. Memory | 2048 GB |
| 8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
| 204.8 GB/s | Max. Bandwidth | 51.2 GB/s |
| Yes | ECC | Yes |
| -- | L2 Cache | 6.00 MB |
| 256.00 MB | L3 Cache | 64.00 MB |
| 4.0 | PCIe version | 4.0 |
| 128 | PCIe lanes | 128 |
| 252.0 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7543P has a TDP of 225 W, that of the AMD Ryzen Threadripper PRO 3945WX is 280 W. |
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| AMD EPYC 7543P | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
| 225 W | TDP (PL1 / PBP) | 280 W |
| -- | TDP (PL2) | -- |
| 240 W | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 95 °C |
Technical detailsThe AMD EPYC 7543P has a 256.00 MB cache, while the AMD Ryzen Threadripper PRO 3945WX cache has a total of 70.00 MB. |
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| AMD EPYC 7543P | Characteristic | AMD Ryzen Threadripper PRO 3945WX |
| 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 | WRX8 (sWRX8) |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q1/2021 | Release date | Q1/2021 |
| 2730 $ | Release price | -- |
| show more data | show more data | |
32C 64T @ 2.80 GHz (3.70 GHz) buy now on Amazon and save!
12C 24T @ 4.00 GHz (4.30 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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AMD EPYC 7543P
32C 64T @ 3.70 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 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 7543P
32C 64T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 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 7543P
32C 64T @ 3.70 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 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 7543P
32C 64T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 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 7543P
32C 64T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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Devices using this processor |
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| AMD EPYC 7543P | AMD Ryzen Threadripper PRO 3945WX |
| Unknown | Unknown |
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