AMD 100-100000886WOF
Snapshot
The 30-Second Version
The AMD Ryzen Threadripper PRO 7955WX is a 16-core, 32-thread workstation CPU that delivers top-tier single-thread and AI performance thanks to 8-channel DDR5 memory and 128 PCIe 5.0 lanes. It's the cheapest entry into the Threadripper PRO platform, but the 350W TDP and expensive ecosystem mean it's only worth it for serious workstation users. Gamers and casual users should look elsewhere.
Pros & Cons
Pros
- 8-channel DDR5 memory with ECC support 99th
- 128 PCIe 5.0 lanes for serious expansion 93rd
- Strong single-thread performance at 5.3GHz boost 93rd
- 90th percentile AI and multi-thread scores 90th
- Unlocked for overclocking
Cons
- 350W TDP means high power draw and heat
- Efficiency score of 50.3 is mediocre
- 16 cores may feel limiting for heavy parallel workloads
- Expensive platform cost beyond just the CPU
- No integrated graphics despite the iGPU listing
The proof
Performance
In our benchmarks, the 7955WX posts a PassMark multi-thread score of 41,123 and a single-thread score of 4,128. The single-thread number puts it in the 93rd percentile, which means it's one of the best on the market for lightly threaded tasks. That 5.3GHz boost clock helps a lot here. The multi-thread score lands in the 90th percentile, which is impressive for a 16-core chip, but it's not going to touch the 32-core or 64-core Threadripper PRO parts in heavily parallel workloads. If you're rendering 8K video or running massive simulations, you'll feel the core count ceiling.
For AI and LLM work, the 7955WX scores 82.2 out of 100, which puts it in the 90th percentile. That's a standout result, and it's mostly thanks to the memory bandwidth. Eight channels of DDR5-5200 gives you a ton of throughput for feeding large models, and the 64MB of L3 cache doesn't hurt either. The 350W TDP is the price you pay. Under full load, this chip will pull serious power and need real cooling. The thermal spec tops out at 95°C, so a good liquid cooler or high-end air cooler is basically mandatory.
Specifications
Full Specifications
Processor
| Brand | AMD |
| Series | Ryzen Threadripper PRO |
| Model | 7955WX |
| Codename | Zen 4 |
| Class | hedt |
| Process | 5 |
Cores & Clocks
| Cores | 16 |
| P-cores | 8 |
| E-cores | 8 |
| Threads | 32 |
| Base Clock | 4500 |
| Boost Clock | 5300 |
Cache
| L2 Cache | 16 |
| L3 Cache | 64 MB |
Performance
| PassMark Multi | 41123 |
| PassMark Single | 4128 |
Memory
| Memory Type | DDR5 |
| Max Speed | 5200 |
| Channels | 8 |
| Max Memory | 2048 |
| ECC | Yes |
Platform & Power
| Socket | sTR5 |
| PCIe | 5 |
| PCIe Lanes | 96 |
| TDP | 350 |
| Max Turbo Power | 350 |
| Unlocked | Yes |
Graphics & AI
| Integrated Graphics | UHD Graphics 770 |
vs Competition
The most direct comparison people search for is the Intel Core Ultra 9 285K. That chip is Intel's latest consumer flagship, and it's cheaper than the 7955WX. But it's a different animal. The 285K has 24 cores and runs on a consumer platform with dual-channel memory. The 7955WX has fewer cores but quadruple the memory channels and way more PCIe lanes. For AI workloads and memory-hungry productivity tasks, the Threadripper PRO wins. For gaming or general desktop use, the 285K is the better buy.
Another competitor in our database is the HP Xeon P67080-B21, which is a server-oriented part. That's a different use case entirely, focused on rack servers and enterprise deployments. The 7955WX is a workstation chip, meant for a single user doing serious work at a desk. The D&H Core i9 BX80673I99940X is an older Intel HEDT part, and it doesn't hold up against the Zen 4 architecture here. The 7955WX beats it in single-thread, multi-thread, and AI performance.
| Spec | AMD 100-100000886WOF | Intel Core Ultra 9 285K | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | HP Xeon P67080-B21 | D&H Core i9 BX80673I99940X | Lenovo Ryzen 5 Sparepart: |
|---|---|---|---|---|---|---|
| Cores | 16 | 24 | 24 | 16 | 14 | 6 |
| Threads | 32 | 24 | 48 | 32 | 28 | 12 |
| Boost Clock Mhz | 5300 | 5700 | 4000 | 3900 | 4400 | 4000 |
| L3 Cache Mb | 64 | 36 | 128 | 37.5 | 19.25 | 8 |
| Tdp W | 350 | 125 | 200 | 195 | 165 | 15 |
| Socket | sTR5 | LGA 1851 | AMD Socket SP3 | LGA 4677 | LGA2066 | AM4 |
| Integrated Graphics | UHD Graphics 770 | Intel Graphics | - | No | - | AMD Integrated Graphics |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Single Thread |
|---|---|---|---|---|---|---|
| AMD 100-100000886WOF | 90 | 93.3 | 99 | 61.2 | 90.4 | 93.1 |
| Intel Core Ultra 9 285K Compare | 96.2 | 99.8 | 95.9 | 97.1 | 96.6 | 99.8 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.8 | 77 | 84.1 | 83.8 | 94.5 | 80.2 |
| HP Xeon P67080-B21 Compare | 91.7 | 77 | 90.7 | 78.2 | 90.9 | 80.4 |
| D&H Core i9 BX80673I99940X Compare | 87.3 | 62.4 | 77.1 | 72.2 | 84.7 | 73.9 |
| Lenovo Ryzen 5 Sparepart: Compare | 64.1 | 54.7 | 57 | 99.3 | 64.9 | 66.5 |
Price
Value & Pricing
Value is tricky here. The 7955WX costs around $1,616 to $1,647 USD, which is a lot for a 16-core processor. But you're not just buying a CPU. You're buying into the Threadripper PRO platform, which means expensive sTR5 motherboards, 8 sticks of DDR5 ECC memory, and a beefy cooler. The total system cost will easily push past $3,000 to $4,000. Compared to something like the Intel Core Ultra 9 285K, which is a consumer desktop chip, the 7955WX is in a different league for memory bandwidth and PCIe lanes. But if you don't need 8 memory channels or 128 PCIe lanes, you're paying a premium for features you'll never use. For pure core count per dollar, a Ryzen 9 7950X or even a Threadripper non-PRO part might make more sense.
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Price History
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Overview
The AMD Ryzen Threadripper PRO 7955WX is a 16-core, 32-thread workstation processor that sits in a weird but interesting spot. It's the entry point into AMD's Threadripper PRO 7000 WX-series, built on the 5nm Zen 4 architecture, and it runs on the sTR5 socket with 8-channel DDR5 memory support. Pricing lands around $1,616 to $1,647 USD, or roughly 1,698 to 1,842 EUR depending on where you shop. That's a lot of money for 16 cores, but you're not just paying for cores here. You're paying for the platform.
People searching for this chip usually want to know if it's good for AI workloads, heavy productivity, or building a serious workstation without jumping to 32 or 64 cores. The short answer is yes, with caveats. It scores 82.2 out of 100 for AI and LLM tasks in our database, and 78.6 for productivity. Those are strong numbers, but the efficiency score of 50.3 tells you this thing drinks power like it's going out of style.
What makes the 7955WX interesting is that it gives you the full Threadripper PRO platform, 8 memory channels, ECC support, up to 2TB of RAM, and 128 PCIe 5.0 lanes, without forcing you into a higher core count you might not need. For a lot of workstation buyers, that's the sweet spot. You get the bandwidth and expandability of a flagship platform at a lower entry price.
Common Questions
Q: Is the Ryzen Threadripper PRO 7955WX good for gaming?
It can game, but it's not what it's built for. The single-thread performance is strong at 5.3GHz boost, but you're paying a huge premium for workstation features like 8-channel memory and 128 PCIe lanes that games won't use. A Ryzen 7 or Core i7 will give you nearly identical gaming performance for a fraction of the cost.
Q: How much RAM does the Threadripper PRO 7955WX support?
It supports up to 2TB (2048GB) of DDR5 ECC memory across 8 channels. That's a massive amount of RAM, which is one of the main reasons people choose this platform for AI and data-heavy workloads.
Q: Does the Ryzen Threadripper PRO 7955WX need a special motherboard?
Yes, it requires a motherboard with the sTR5 socket. These are workstation-class boards designed for the Threadripper PRO platform, and they're significantly more expensive than consumer AM5 boards.
Q: Is the 7955WX good for AI and machine learning?
Yes, it scores 82.2 out of 100 for AI and LLM workloads in our database, putting it in the 90th percentile. The 8-channel memory bandwidth is a big advantage for feeding large models, though you'll still want a dedicated GPU for most training tasks.
Who Should Skip This
Skip the 7955WX if you're a gamer, a casual content creator, or anyone who doesn't need 8 memory channels and 128 PCIe lanes. The platform cost is brutal, and the 350W power draw means you'll need serious cooling and a beefy power supply. If you're doing light video editing or streaming, a Ryzen 9 7950X or Intel Core Ultra 9 285K will save you a ton of money with minimal performance loss. Also skip it if you need maximum multi-core performance for rendering or simulation work. The 32-core and 64-core Threadripper PRO parts exist for a reason, and if your software scales well with cores, the 16-core 7955WX will leave you wanting more.
Verdict
Should you buy the AMD Ryzen Threadripper PRO 7955WX? If you're building a workstation for AI development, heavy data analysis, or professional content creation, and you need the memory bandwidth and PCIe expansion that only the Threadripper PRO platform offers, then yes. This is the cheapest way into that ecosystem, and it delivers excellent performance for the price of entry. The single-thread speed is genuinely great, and the multi-thread and AI scores are strong for a 16-core part.
But if you're a gamer, a casual streamer, or someone who just wants a fast PC for everyday use, this is overkill in the worst way. You'll spend thousands on a platform you won't fully utilize, and the 350W power draw means your electricity bill will notice. For most people, a Ryzen 9 or Core Ultra 9 on a consumer motherboard is the smarter choice. The 7955WX is a specialist tool, and it's excellent at what it does, but it's not for everyone.