AMD EPYC 7281 | AMD Ryzen Threadripper PRO 5945WX | |
CPU comparisonIn this CPU comparison, we compare the AMD EPYC 7281 and the AMD Ryzen Threadripper PRO 5945WX and use benchmarks to check which processor is faster.
We compare the AMD EPYC 7281 16 core processor released in Q3/2017 with the AMD Ryzen Threadripper PRO 5945WX which has 12 CPU cores and was introduced in Q1/2022. |
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AMD EPYC (129) | Family | AMD Ryzen Threadripper PRO (15) |
AMD EPYC 7001 (12) | CPU group | AMD Ryzen Threadripper PRO 5000 (5) |
1 | Generation | 4 |
Naples (Zen) | Architecture | Chagall (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen Threadripper PRO 3945WX |
-- | Successor | AMD Ryzen Threadripper PRO 7945WX |
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CPU Cores and Base FrequencyThe AMD EPYC 7281 is a 16 core processor with a clock frequency of 2.20 GHz (2.70 GHz). The processor can compute 32 threads at the same time. The AMD Ryzen Threadripper PRO 5945WX clocks with 4.10 GHz (4.50 GHz), has 12 CPU cores and can calculate 24 threads in parallel. |
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AMD EPYC 7281 | Characteristic | AMD Ryzen Threadripper PRO 5945WX |
16 | Cores | 12 |
32 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.20 GHz | Frequency | 4.10 GHz |
2.70 GHz | Turbo Frequency (1 Core) | 4.50 GHz |
2.70 GHz | Turbo Frequency (All Cores) | 4.30 GHz |
Memory & PCIeUp to GB of memory in a maximum of 8 memory channels is supported by the AMD EPYC 7281, while the AMD Ryzen Threadripper PRO 5945WX supports a maximum of 2048 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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AMD EPYC 7281 | Characteristic | AMD Ryzen Threadripper PRO 5945WX |
DDR4-2666 | Memory | DDR4-3200 |
Max. Memory | 2048 GB | |
8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
170.6 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 6.00 MB |
32.00 MB | L3 Cache | 64.00 MB |
3.0 | PCIe version | 4.0 |
128 | PCIe lanes | 128 |
126.1 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe AMD EPYC 7281 has a TDP of 170 W. The TDP of the AMD Ryzen Threadripper PRO 5945WX is 280 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD EPYC 7281 | Characteristic | AMD Ryzen Threadripper PRO 5945WX |
170 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe AMD EPYC 7281 has 32.00 MB cache and is manufactured in 14 nm. The cache of AMD Ryzen Threadripper PRO 5945WX is at 70.00 MB. The processor is manufactured in 7 nm. |
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AMD EPYC 7281 | Characteristic | AMD Ryzen Threadripper PRO 5945WX |
14 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 |
Q3/2017 | Release date | Q1/2022 |
625 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.30 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.30 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.30 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Ryzen Threadripper PRO 5945WX
12C 24T @ 4.30 GHz |
Devices using this processor |
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AMD EPYC 7281 | AMD Ryzen Threadripper PRO 5945WX |
Unknown | Unknown |