AMD Ryzen Threadripper PRO 7945WX | AMD Ryzen Threadripper PRO 3955WX | |
CPU comparisonAMD Ryzen Threadripper PRO 7945WX or AMD Ryzen Threadripper PRO 3955WX - 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 Ryzen Threadripper PRO 7945WX has 12 cores with 24 threads and clocks with a maximum frequency of 5.30 GHz. Up to 2048 GB of memory is supported in 8 memory channels. The AMD Ryzen Threadripper PRO 7945WX was released in Q4/2023. The AMD Ryzen Threadripper PRO 3955WX has 16 cores with 32 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 3955WX was released in Q1/2021. |
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AMD Ryzen Threadripper PRO (15) | Family | AMD Ryzen Threadripper PRO (15) |
AMD Ryzen Threadripper PRO 7000 (6) | CPU group | AMD Ryzen Threadripper PRO 3000 (4) |
5 | Generation | 3 |
Storm Peak (Zen 4) | Architecture | Castle Peak (Zen 2) |
Desktop / Server | Segment | Desktop / Server |
AMD Ryzen Threadripper PRO 5945WX | Predecessor | -- |
-- | Successor | AMD Ryzen Threadripper PRO 5955WX |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 7945WX is a 12 core processor with a clock frequency of 4.70 GHz (5.30 GHz). The AMD Ryzen Threadripper PRO 3955WX has 16 CPU cores with a clock frequency of 3.90 GHz (4.30 GHz). |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen Threadripper PRO 3955WX |
12 | Cores | 16 |
24 | Threads | 32 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
4.70 GHz | Frequency | 3.90 GHz |
5.30 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
-- | Turbo Frequency (All Cores) | 4.00 GHz |
Memory & PCIeThe AMD Ryzen Threadripper PRO 7945WX supports a maximum of 2048 GB of memory in 8 memory channels. The AMD Ryzen Threadripper PRO 3955WX can connect up to 2048 GB of memory in 8 memory channels. |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen Threadripper PRO 3955WX |
DDR5-5200 | Memory | DDR4-3200 |
2048 GB | Max. Memory | 2048 GB |
8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
332.8 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
12.00 MB | L2 Cache | 8.00 MB |
64.00 MB | L3 Cache | 64.00 MB |
5.0 | PCIe version | 4.0 |
128 | PCIe lanes | 128 |
504.1 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen Threadripper PRO 7945WX has a TDP of 350 W, that of the AMD Ryzen Threadripper PRO 3955WX is 280 W. |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen Threadripper PRO 3955WX |
350 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD Ryzen Threadripper PRO 7945WX has a 76.00 MB cache, while the AMD Ryzen Threadripper PRO 3955WX cache has a total of 72.00 MB. |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen Threadripper PRO 3955WX |
5 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4A, SSE4.2, SSSE3, AVX2, AVX512, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
sTR5 | Socket | WRX8 (sWRX8) |
AMD-V | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2023 | Release date | Q1/2021 |
-- | Release price | 1149 $ |
show more data | show more data | |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 4.30 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 4.30 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen Threadripper PRO 3955WX
16C 32T @ 3.90 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 7945WX | AMD Ryzen Threadripper PRO 3955WX |
Unknown | Unknown |