AMD Ryzen Threadripper PRO 3945WX | AMD Ryzen Threadripper PRO 7945WX | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen Threadripper PRO 3945WX and the AMD Ryzen Threadripper PRO 7945WX and use benchmarks to check which processor is faster.
We compare the AMD Ryzen Threadripper PRO 3945WX 12 core processor released in Q1/2021 with the AMD Ryzen Threadripper PRO 7945WX which has 12 CPU cores and was introduced in Q4/2023. |
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AMD Ryzen Threadripper PRO (15) | Family | AMD Ryzen Threadripper PRO (15) |
AMD Ryzen Threadripper PRO 3000 (4) | CPU group | AMD Ryzen Threadripper PRO 7000 (6) |
3 | Generation | 5 |
Castle Peak (Zen 2) | Architecture | Storm Peak (Zen 4) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen Threadripper PRO 5945WX |
AMD Ryzen Threadripper PRO 5945WX | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 3945WX is a 12 core processor with a clock frequency of 4.00 GHz (4.30 GHz). The processor can compute 24 threads at the same time. The AMD Ryzen Threadripper PRO 7945WX clocks with 4.70 GHz (5.30 GHz), has 12 CPU cores and can calculate 24 threads in parallel. |
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AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Ryzen Threadripper PRO 7945WX |
12 | Cores | 12 |
24 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
4.00 GHz | Frequency | 4.70 GHz |
4.30 GHz | Turbo Frequency (1 Core) | 5.30 GHz |
4.20 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 2048 GB of memory in a maximum of 8 memory channels is supported by the AMD Ryzen Threadripper PRO 3945WX, while the AMD Ryzen Threadripper PRO 7945WX supports a maximum of 2048 GB of memory with a maximum memory bandwidth of 332.8 GB/s enabled. |
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AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Ryzen Threadripper PRO 7945WX |
DDR4-3200 | Memory | DDR5-5200 |
2048 GB | Max. Memory | 2048 GB |
8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
51.2 GB/s | Max. Bandwidth | 332.8 GB/s |
Yes | ECC | Yes |
6.00 MB | L2 Cache | 12.00 MB |
64.00 MB | L3 Cache | 64.00 MB |
4.0 | PCIe version | 5.0 |
128 | PCIe lanes | 128 |
252.0 GB/s | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe AMD Ryzen Threadripper PRO 3945WX has a TDP of 280 W. The TDP of the AMD Ryzen Threadripper PRO 7945WX is 350 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Ryzen Threadripper PRO 7945WX |
280 W | TDP (PL1 / PBP) | 350 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD Ryzen Threadripper PRO 3945WX has 70.00 MB cache and is manufactured in 7 nm. The cache of AMD Ryzen Threadripper PRO 7945WX is at 76.00 MB. The processor is manufactured in 5 nm. |
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AMD Ryzen Threadripper PRO 3945WX | Characteristic | AMD Ryzen Threadripper PRO 7945WX |
7 nm | Technology | 5 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, SSE4.2, SSSE3, AVX2, AVX512, FMA3 |
WRX8 (sWRX8) | Socket | sTR5 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 11, Linux |
Q1/2021 | Release date | Q4/2023 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
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AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.30 GHz |
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AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
AMD Ryzen Threadripper PRO 3945WX
12C 24T @ 4.20 GHz |
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AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 3945WX | AMD Ryzen Threadripper PRO 7945WX |
Unknown | Unknown |