AMD · Threadripper
Ryzen Threadripper PRO 7955WX
A 16-core Zen 4 workstation processor for sTR5, with eight-channel DDR5 RDIMM memory, 64 MB L3 cache and PCIe 5.0.
- Cores
- 16/32
- Boost
- 5.3 GHz
- L3
- 64 MB
- Power
- 350 W
- Socket
- sTR5
Specifications
Report a wrong or missing specCores and clocks
- Cores
- 16
- Threads
- 32
- Base clock
- 4.5 GHz
- Boost clock
- 5.3 GHz
- L3 cache
- 64 MB
- Cores
- Storm Peak; Zen 4. Boxed product ID 100-100000886WOF; tray ID 100-000000886. Announced 19 October 2023. HP stated November 2023 availability for the Z6 G5 A; its original 27 November QuickSpecs lists this exact processor as a factory option. Release is kept at OEM month precision; the exact first shipping day is unverified. AMD’s 21 November DIY date covered selected PRO models and is not applied here.
- Clocks
- Precision Boost 2; maximum boost up to 5.3 GHz. Unlocked for overclocking; OEM system restrictions can differ.
- Cache
- L1 1024 KB; L2 16 MB; L3 64 MB
Graphics and AI
- Built-in graphics
- No
- Graphics
- A separate graphics card is required
Platform
- Socket
- sTR5
- Base power
- 350 W
- Unlocked
- Yes
- Cooler in the box
- No
- Memory support
- DDR5 RDIMM; eight channels; up to 5200 MT/s; ECC enabled by default. WRX90 supports up to 2 TB and eight channels; TRX50 with a PRO processor supports up to 1 TB and four channels.
- PCIe
- PCIe 5.0; native total/usable/Gen5 lanes: 148/144/128. AMD lists 128 Gen5 lanes on WRX90, or 48 on TRX50. Four native USB 3.2 Gen 2 ports and four SATA ports.
- Chipsets
- WRX90 and TRX50; motherboard and OEM system configuration determines available memory channels, I/O and overclocking support
- Process
- CPU cores: TSMC 5 nm FinFET; I/O die: TSMC 6 nm FinFET. CCD 71 mm²; I/O die 388 mm²; three package dies.
- Cooler
- Cooler not included. Maximum operating temperature 95°C.
Pros and cons
Pros
- 16 cores and 32 threads
- Eight-channel memory with ECC support
- PCIe 5.0 expansion support
Cons
- 350 W TDP
- Requires a compatible workstation motherboard
- No integrated graphics
Closest rivals
Model | Cores | Boost | L3 | Power | Socket | Released |
|---|---|---|---|---|---|---|
| 12/24 | 5.3 GHz | 64 MB | 350 W | sTR5 | Nov 2023 | |
| 16/32 | 5.4 GHz | 64 MB | 350 W | sTR5 | Jul 2025 | |
| 24/48 | 5.3 GHz | 128 MB | 350 W | sTR5 | Nov 2023 |
Newer model: Ryzen Threadripper PRO 9955WX.
Sources
- amd.com/en/support/downloads/drivers.html/processors/ryzen-threadripper-pro/amd…
- ir.amd.com/news-events/press-releases/detail/1162/amd-introduces-new-amd-ryzen-…
- hp.com/us-en/newsroom/press-releases/2023/introducing-hp-z6-g5-a.html
- uploads.brandlive.com/8770b358-5c14-4990-b957-4ebc39cb14a7/1701703932271/QuickS…
- ibfusion.com/amd-threadripper/amd-ryzen-threadripper-pro-7955wx
