Ryzen AI Max PRO 490 vs Ryzen Threadripper PRO 3945WX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 428 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | AMD Ryzen Threadripper | AMD Strix / Gorgon Halo |
| Power efficiency | 2.89 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Castle Peak (2020) | Gorgon Halo PRO (2026) |
| Release date | 14 July 2020 (6 years ago) | 21 May 2026 (less than a year ago) |
Detailed specifications
Basic parameters of Ryzen Threadripper PRO 3945WX and Ryzen AI Max PRO 490: 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 | 4 GHz | 3.2 GHz |
| Boost clock speed | 4.3 GHz | 5 GHz |
| Multiplier | 40 | no data |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 512 KB (per core) | 12 MB |
| L3 cache | 64 MB | 64 MB |
| Chip lithography | 7 nm, 12 nm | 4 nm |
| Die size | 2x 74 mm2 | no data |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 7,600 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Ryzen AI Max PRO 490 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 | no data |
| Socket | WRX8 | FP11 |
| Power consumption (TDP) | 280 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Ryzen AI Max PRO 490. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | USB 4, XDNA 2 NPU (50 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A |
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Ryzen AI Max PRO 490 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and Ryzen AI Max PRO 490. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 2 TiB | no data |
| Maximum memory bandwidth | 204.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon 8050S ( - 2800 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Ryzen AI Max PRO 490.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Recency | 14 July 2020 | 21 May 2026 |
| Chip lithography | 7 nm | 4 nm |
Ryzen AI Max PRO 490 has an age advantage of 5 years, and a 75% more advanced lithography process.
We couldn't decide between AMD Ryzen Threadripper PRO 3945WX and AMD Ryzen AI Max PRO 490. We've got no test results to judge.
Be aware that Ryzen Threadripper PRO 3945WX is a server/workstation processor while Ryzen AI Max PRO 490 is a notebook one.
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