Key facts
Production status: Active
Release date: 25-Jul
Cores / Threads: 12 / 24
Base clock: 4700 MHz
Turbo clock: 5400 MHz
TDP: -
Process: 4 nm
Codename: Shimada Peak
Generation: Ryzen Threadripper (Zen 5 (Shimada Peak))
All available specs
| Field | Value |
|---|---|
| name | Ryzen Threadripper PRO 9945WX |
| Socket | AMD Socket sTR5 |
| Foundry | TSMC |
| Process Size | 4 nm |
| Transistors | 16,630 million |
| Die Size | 2x 70.6 mm² |
| Package | FC-LGA4844 |
| Market | Server/Workstation |
| Production Status | Active |
| Release Date | 25-Jul |
| Part# | 100-000000726 |
| Frequency | 4.7 GHz |
| Turbo Clock | up to 5.4 GHz |
| Base Clock | 100 MHz |
| Multiplier | 47.0x |
| Multiplier Unlocked | Yes |
| Codename | Shimada Peak |
| Generation | Ryzen Threadripper (Zen 5 (Shimada Peak)) |
| Memory Support | DDR5 |
| ECC Memory | Yes |
| # of Cores | 12 |
| # of Threads | 24 |
| SMP # CPUs | 1 |
| Integrated Graphics | N/A |
| Cache L1 | 64 KB (per core) |
| Cache L2 | 1 MB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES-NI, AVX, AVX2, AVX-512, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, VBS, DASH, AMD-V, AMD-V SVM, AMD-V RVI, AMD AVIC, AMD-Vi, SLAT, SMAP, SMEP, SMT, GMET, NX Bit, Windows Secured-Core, AMD Secure Processor, Precision Boost OD, Precision Boost 2 |
| Notes | Processor supports 144 usable PCIe lanes but is limited to 88 usable lanes when installed on TRX50 motherboards. |
| Rated Speed | 6400 MT/s |
| Memory Bus | Eight-channel |
| Memory Bandwidth | 409.6 GB/s |
| tJMax | 95°C |
| PCI-Express | Gen 5, 128 Lanes (CPU only) |
| Cache L3 | 64 MB (shared) |
| Bundled Cooler | None |
| Chipsets | WRX90, TRX50, Pro 695 |
| Secondary PCIe | Gen 3, 8 Lanes |
| I/O Process Size | 6 nm |
| Max. Memory | 2 TB (ECC RDIMM only) |
| I/O Die Size | 388 mm² |
| I/O Transistors | 11,000 million |
| Chipset PCIe | Gen 4, 8 Lanes |