Threadripper PRO 7945WX vs Ryzen 9 3900
Primary details
Comparing Ryzen 9 3900 and Threadripper PRO 7945WX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 291 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 19.95 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Matisse (Ryzen 3000 Desktop) | no data |
| Power efficiency | 28.23 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Storm Peak (2023) |
| Release date | 24 September 2019 (5 years ago) | 19 October 2023 (1 year ago) |
| Launch price (MSRP) | $499 | $1,399 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3900 and Threadripper PRO 7945WX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 12 (Dodeca-Core) |
| Threads | 24 | 24 |
| Base clock speed | 3.1 GHz | 4.7 GHz |
| Boost clock speed | 4.3 GHz | 5.3 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 64 MB | 64 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 5 nm |
| Die size | 2x 74 mm2 | 2x 71 mm2 |
| Number of transistors | 7,600 million | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 3900 and Threadripper PRO 7945WX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | AM4 | sTR5 |
| Power consumption (TDP) | 65 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900 and Threadripper PRO 7945WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3900 and Threadripper PRO 7945WX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Threadripper PRO 7945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900 and Threadripper PRO 7945WX.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 24 | 128 |
Pros & cons summary
| Recency | 24 September 2019 | 19 October 2023 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 65 Watt | 350 Watt |
Ryzen 9 3900 has 438.5% lower power consumption.
Threadripper PRO 7945WX, on the other hand, has an age advantage of 4 years, and a 40% more advanced lithography process.
We couldn't decide between Ryzen 9 3900 and Threadripper PRO 7945WX. We've got no test results to judge.
Should you still have questions on choice between Ryzen 9 3900 and Threadripper PRO 7945WX, ask them in Comments section, and we shall answer.
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