CPU
GPU
Ryzen Threadripper PRO 3955WX
Xeon W-3275M
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen Threadripper PRO 3955WX
Performance Per Dollar Xeon W-3275M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,130) | ⚠️ Higher cost ($4,449) |
| Longevity | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+289%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,130) | ⚠️ Higher cost ($4,449) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen Threadripper PRO 3955WX and Xeon W-3275M
Ryzen Threadripper PRO 3955WX
The Ryzen Threadripper PRO 3955WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.9 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 39,929 points. Launch price was $1,149.
Xeon W-3275M
The Xeon W-3275M is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,419 points. Launch price was $7,453.
Processing Power
The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Xeon W-3275M offers 28 cores / 56 threads — the Xeon W-3275M has 12 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 4.6 GHz on the Xeon W-3275M — a 6.7% clock advantage for the Xeon W-3275M (base: 3.9 GHz vs 2.5 GHz). The Ryzen Threadripper PRO 3955WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Xeon W-3275M uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Xeon W-3275M's 40,419 — a 1.2% lead for the Xeon W-3275M. L3 cache: 64 MB on the Ryzen Threadripper PRO 3955WX vs 38.5 MB on the Xeon W-3275M.
| Feature | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| Cores / Threads | 16 / 32 | 28 / 56+75% |
| Boost Clock | 4.3 GHz | 4.6 GHz+7% |
| Base Clock | 3.9 GHz+56% | 2.5 GHz |
| L3 Cache | 64 MB+66% | 38.5 MB |
| L2 Cache | 512 kB (per core) | 28 MB+5500% |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Castle Peak (2020) | Cascade Lake (2019−2020) |
| PassMark | 39,929 | 40,419+1% |
Memory & Platform
The Ryzen Threadripper PRO 3955WX uses the sWRX8 socket (PCIe 4.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Ryzen Threadripper PRO 3955WX versus 2933 on the Xeon W-3275M — the Ryzen Threadripper PRO 3955WX supports 8.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2048 of RAM. Memory channels: 8 (Ryzen Threadripper PRO 3955WX) vs 6 (Xeon W-3275M). PCIe lanes: 128 (Ryzen Threadripper PRO 3955WX) vs 64 (Xeon W-3275M) — the Ryzen Threadripper PRO 3955WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3955WX) and C620 (Xeon W-3275M).
| Feature | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| Socket | sWRX8 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | 3200+9% | 2933 |
| Max RAM Capacity | 2048 | 2048 |
| RAM Channels | 8+33% | 6 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+100% | 64 |
Advanced Features
Only the Ryzen Threadripper PRO 3955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX) vs VT-x, VT-d (Xeon W-3275M). Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314; Xeon W-3275M rivals EPYC 7742.
| Feature | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The Ryzen Threadripper PRO 3955WX launched at $1149 MSRP, while the Xeon W-3275M debuted at $4449. At current prices ($1130 vs $4449), the Ryzen Threadripper PRO 3955WX is $3319 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 35.3 pts/$ vs 9.1 pts/$ for the Xeon W-3275M — making the Ryzen Threadripper PRO 3955WX the 118.2% better value option.
| Feature | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| MSRP | $1149-74% | $4449 |
| Avg Price (30d) | $1130-75% | $4449 |
| Performance per Dollar | 35.3+288% | 9.1 |
| Release Date | 2020 | 2019 |
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