AMD Ryzen Threadripper PRO 7945WX | AMD Ryzen 9 3900X | |
CPU comparisonAMD Ryzen Threadripper PRO 7945WX or AMD Ryzen 9 3900X - 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 9 3900X has 12 cores with 24 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900X was released in Q3/2019. |
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AMD Ryzen Threadripper PRO (15) | Family | AMD Ryzen 9 (40) |
AMD Ryzen Threadripper PRO 7000 (6) | CPU group | AMD Ryzen 3000 (15) |
5 | Generation | 3 |
Storm Peak (Zen 4) | Architecture | Matisse (Zen 2) |
Desktop / Server | Segment | Desktop / Server |
AMD Ryzen Threadripper PRO 5945WX | Predecessor | -- |
-- | Successor | AMD Ryzen 9 5900X |
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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 9 3900X has 12 CPU cores with a clock frequency of 3.80 GHz (4.60 GHz). |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen 9 3900X |
12 | Cores | 12 |
24 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
4.70 GHz | Frequency | 3.80 GHz |
5.30 GHz | Turbo Frequency (1 Core) | 4.60 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 9 3900X can connect up to 128 GB of memory in 2 memory channels. |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen 9 3900X |
DDR5-5200 | Memory | DDR4-3200 |
2048 GB | Max. Memory | 128 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
332.8 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
12.00 MB | L2 Cache | 6.00 MB |
64.00 MB | L3 Cache | 64.00 MB |
5.0 | PCIe version | 4.0 |
128 | PCIe lanes | 20 |
504.1 GB/s | PCIe Bandwidth | 39.4 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 9 3900X is 105 W. |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen 9 3900X |
350 W | TDP (PL1 / PBP) | 105 W |
-- | TDP (PL2) | 142 W |
-- | 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 9 3900X cache has a total of 70.00 MB. |
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AMD Ryzen Threadripper PRO 7945WX | Characteristic | AMD Ryzen 9 3900X |
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 | AM4 (PGA 1331) |
AMD-V | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2023 | Release date | Q3/2019 |
-- | Release price | 485 $ |
show more data | show more data | |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 3.80 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 5.30 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
AMD Ryzen Threadripper PRO 7945WX
12C 24T @ 4.70 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 7945WX | AMD Ryzen 9 3900X |
Unknown | Unknown |