
Xeon W-3275M

Ryzen Threadripper PRO 3955WX
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 Xeon W-3275M
Performance Per Dollar Ryzen Threadripper PRO 3955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3275M | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($4,449) | ✅ More affordable ($1,130) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Xeon W-3275M | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+289%) |
| Upfront Cost | ⚠️ Higher cost ($4,449) | ✅ More affordable ($1,130) |
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 Xeon W-3275M and Ryzen Threadripper PRO 3955WX

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.

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.
Processing Power
The Xeon W-3275M packs 28 cores / 56 threads, while the Ryzen Threadripper PRO 3955WX offers 16 cores / 32 threads — the Xeon W-3275M has 12 more cores. Boost clocks reach 4.6 GHz on the Xeon W-3275M versus 4.3 GHz on the Ryzen Threadripper PRO 3955WX — a 6.7% clock advantage for the Xeon W-3275M (base: 2.5 GHz vs 3.9 GHz). The Xeon W-3275M uses the Cascade Lake (2019−2020) architecture (14 nm), while the Ryzen Threadripper PRO 3955WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Xeon W-3275M scores 40,419 against the Ryzen Threadripper PRO 3955WX's 39,929 — a 1.2% lead for the Xeon W-3275M. L3 cache: 38.5 MB on the Xeon W-3275M vs 64 MB on the Ryzen Threadripper PRO 3955WX.
| Feature | Xeon W-3275M | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cores / Threads | 28 / 56+75% | 16 / 32 |
| Boost Clock | 4.6 GHz+7% | 4.3 GHz |
| Base Clock | 2.5 GHz | 3.9 GHz+56% |
| L3 Cache | 38.5 MB | 64 MB+66% |
| L2 Cache | 28 MB+5500% | 512 kB (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Cascade Lake (2019−2020) | Castle Peak (2020) |
| PassMark | 40,419+1% | 39,929 |
Memory & Platform
The Xeon W-3275M uses the LGA3647 socket (PCIe 3.0), while the Ryzen Threadripper PRO 3955WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2933 on the Xeon W-3275M versus 3200 on the Ryzen Threadripper PRO 3955WX — 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: 6 (Xeon W-3275M) vs 8 (Ryzen Threadripper PRO 3955WX). PCIe lanes: 64 (Xeon W-3275M) vs 128 (Ryzen Threadripper PRO 3955WX) — the Ryzen Threadripper PRO 3955WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C620 (Xeon W-3275M) and WRX80 (Ryzen Threadripper PRO 3955WX).
| Feature | Xeon W-3275M | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Socket | LGA3647 | sWRX8 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | 2933 | 3200+9% |
| Max RAM Capacity | 2048 | 2048 |
| RAM Channels | 6 | 8+33% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 128+100% |
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 (Xeon W-3275M) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX). Direct competitor: Xeon W-3275M rivals EPYC 7742; Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314.
| Feature | Xeon W-3275M | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The Xeon W-3275M launched at $4449 MSRP, while the Ryzen Threadripper PRO 3955WX debuted at $1149. At current prices ($4449 vs $1130), the Ryzen Threadripper PRO 3955WX is $3319 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3275M delivers 9.1 pts/$ vs 35.3 pts/$ for the Ryzen Threadripper PRO 3955WX — making the Ryzen Threadripper PRO 3955WX the 118.2% better value option.
| Feature | Xeon W-3275M | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| MSRP | $4449 | $1149-74% |
| Avg Price (30d) | $4449 | $1130-75% |
| Performance per Dollar | 9.1 | 35.3+288% |
| Release Date | 2019 | 2020 |
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