
Ryzen Threadripper PRO 3955WX

Xeon W-3275M
Ryzen Threadripper PRO 3955WX vs Xeon W-3275M Performance Spectrum
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.
Ryzen Threadripper PRO 3955WX vs Xeon W-3275M FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Ryzen Threadripper PRO 3955WX vs Xeon W-3275M: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Ryzen Threadripper PRO 3955WX
2020Why buy it
- β +66.2% larger total L3 cache (64 MB vs 39 MB).
- β Costs $3,300 less on MSRP ($1,149 MSRP vs $4,449 MSRP).
- β Delivers 282.5% more PassMark for each dollar spent, at 34.8 vs 9.1 PassMark/$ ($1,149 MSRP vs $4,449 MSRP).
- β 100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.
Trade-offs
- βWorse for gaming: lower average FPS than Xeon W-3275M across 50 shared CPU benchmark tests.
- βLower PassMark (39,929 vs 40,419).
- β36.6% higher power demand at 280W vs 205W.
Xeon W-3275M
2019Why buy it
- β Better for gaming: +4.3% higher average FPS across 50 shared CPU benchmark tests.
- β Draws 205W instead of 280W, a 75W reduction.
Trade-offs
- βSmaller total L3 cache (39 MB vs 64 MB).
- βLower PassMark per dollar, at 9.1 vs 34.8 PassMark/$ ($4,449 MSRP vs $1,149 MSRP).
Quick Answers
So, is Xeon W-3275M better than Ryzen Threadripper PRO 3955WX?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 3955WX vs Xeon W-3275M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.


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 (2019β2020) 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 β 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 β 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 (2019β2020) (14 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Xeon W-3275M's 40,419 β 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 (2019β2020) |
| 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) β 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 β the Ryzen Threadripper PRO 3955WX supports 9.1% 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) β 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 | Yes | Yes |
| PCIe Lanes | 128+100% | 64 |
Advanced Features
Only the Ryzen Threadripper PRO 3955WX has an unlocked multiplier for overclocking β 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
At launch, the Ryzen Threadripper PRO 3955WX was priced at $1149, while the Xeon W-3275M came in at $4449. On launch pricing ($1149 vs $4449), Ryzen Threadripper PRO 3955WX was $3300 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 34.8 pts/$ vs 9.1 pts/$ for the Xeon W-3275M β making the Ryzen Threadripper PRO 3955WX the 117.1% better value option.
| Feature | Ryzen Threadripper PRO 3955WX | Xeon W-3275M |
|---|---|---|
| MSRP | $1149-74% | $4449 |
| Performance per Dollar | 34.8+282% | 9.1 |
| Release Date | 2020 | 2019 |
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