
Ryzen Threadripper PRO 9955WX
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Xeon w7-3555
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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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
Ryzen Threadripper PRO 9955WX
2025Why buy it
- ✅+37.8% higher Geekbench multi-core.
- ✅Costs $2,320 less on MSRP ($429 MSRP vs $2,749 MSRP).
- ✅Delivers 539.0% more PassMark for each dollar spent, at 157.5 vs 24.6 PassMark/$ ($429 MSRP vs $2,749 MSRP).
- ✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon w7-3555 across 2 shared CPU benchmark tests.
Xeon w7-3555
2024Why buy it
- ✅Better for gaming: +6.8% higher average FPS across 2 shared CPU benchmark tests.
- ✅Draws 325W instead of 350W, a 25W reduction.
Trade-offs
- ❌Lower Geekbench multi-core (17,120 vs 23,596).
- ❌Lower PassMark per dollar, at 24.6 vs 157.5 PassMark/$ ($2,749 MSRP vs $429 MSRP).
Ryzen Threadripper PRO 9955WX
2025Xeon w7-3555
2024Why buy it
- ✅+37.8% higher Geekbench multi-core.
- ✅Costs $2,320 less on MSRP ($429 MSRP vs $2,749 MSRP).
- ✅Delivers 539.0% more PassMark for each dollar spent, at 157.5 vs 24.6 PassMark/$ ($429 MSRP vs $2,749 MSRP).
- ✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.
Why buy it
- ✅Better for gaming: +6.8% higher average FPS across 2 shared CPU benchmark tests.
- ✅Draws 325W instead of 350W, a 25W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon w7-3555 across 2 shared CPU benchmark tests.
Trade-offs
- ❌Lower Geekbench multi-core (17,120 vs 23,596).
- ❌Lower PassMark per dollar, at 24.6 vs 157.5 PassMark/$ ($2,749 MSRP vs $429 MSRP).
Quick Answers
So, is Ryzen Threadripper PRO 9955WX better than Xeon w7-3555?
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?
Games Benchmarks
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.

Path of Exile 2
| Preset | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| 1080p | ||
| low | 297 FPS | 311 FPS |
| medium | 270 FPS | 301 FPS |
| high | 223 FPS | 242 FPS |
| ultra | 188 FPS | 204 FPS |
| 1440p | ||
| low | 273 FPS | 270 FPS |
| medium | 224 FPS | 233 FPS |
| high | 174 FPS | 175 FPS |
| ultra | 153 FPS | 154 FPS |
| 4K | ||
| low | 187 FPS | 184 FPS |
| medium | 154 FPS | 157 FPS |
| high | 118 FPS | 118 FPS |
| ultra | 104 FPS | 106 FPS |

Counter-Strike 2
| Preset | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| 1080p | ||
| low | 786 FPS | 682 FPS |
| medium | 643 FPS | 593 FPS |
| high | 477 FPS | 482 FPS |
| ultra | 403 FPS | 427 FPS |
| 1440p | ||
| low | 647 FPS | 551 FPS |
| medium | 549 FPS | 489 FPS |
| high | 422 FPS | 415 FPS |
| ultra | 328 FPS | 341 FPS |
| 4K | ||
| low | 363 FPS | 324 FPS |
| medium | 312 FPS | 288 FPS |
| high | 273 FPS | 267 FPS |
| ultra | 230 FPS | 234 FPS |

League of Legends
| Preset | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| 1080p | ||
| low | 888 FPS | 1025 FPS |
| medium | 705 FPS | 1057 FPS |
| high | 622 FPS | 974 FPS |
| ultra | 534 FPS | 834 FPS |
| 1440p | ||
| low | 713 FPS | 1001 FPS |
| medium | 567 FPS | 888 FPS |
| high | 489 FPS | 802 FPS |
| ultra | 414 FPS | 656 FPS |
| 4K | ||
| low | 507 FPS | 600 FPS |
| medium | 418 FPS | 517 FPS |
| high | 375 FPS | 461 FPS |
| ultra | 315 FPS | 397 FPS |

Valorant
| Preset | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| 1080p | ||
| low | 1106 FPS | 1212 FPS |
| medium | 991 FPS | 1015 FPS |
| high | 867 FPS | 925 FPS |
| ultra | 781 FPS | 809 FPS |
| 1440p | ||
| low | 860 FPS | 980 FPS |
| medium | 759 FPS | 845 FPS |
| high | 664 FPS | 736 FPS |
| ultra | 576 FPS | 635 FPS |
| 4K | ||
| low | 632 FPS | 727 FPS |
| medium | 562 FPS | 632 FPS |
| high | 496 FPS | 557 FPS |
| ultra | 429 FPS | 437 FPS |
Technical Specifications
Side-by-side comparison of Ryzen Threadripper PRO 9955WX and Xeon w7-3555


Ryzen Threadripper PRO 9955WX
Ryzen Threadripper PRO 9955WX
The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 67,561 points. Launch price was $1,649.

Xeon w7-3555
Xeon w7-3555
The Xeon w7-3555 is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 75 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 325 Watt. Memory support: DDR5-4800. Passmark benchmark score: 67,754 points. Launch price was $2,339.
Processing Power
The Ryzen Threadripper PRO 9955WX packs 16 cores / 32 threads, while the Xeon w7-3555 offers 28 cores / 56 threads — the Xeon w7-3555 has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9955WX versus 4.8 GHz on the Xeon w7-3555 — a 11.8% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 4.5 GHz vs 2.7 GHz). The Ryzen Threadripper PRO 9955WX uses the Shimada Peak (2025) architecture (4 nm), while the Xeon w7-3555 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 9955WX scores 67,561 against the Xeon w7-3555's 67,754 — a 0.3% lead for the Xeon w7-3555. Geekbench 6 single-core — the metric most relevant to gaming — records 3,016 vs 2,300, a 26.9% lead for the Ryzen Threadripper PRO 9955WX that directly translates to higher frame rates. Multi-core Geekbench: 23,596 vs 17,120 (31.8% advantage for the Ryzen Threadripper PRO 9955WX). L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 9955WX vs 75 MB on the Xeon w7-3555.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Cores / Threads | 16 / 32 | 28 / 56+75% |
| Boost Clock | 5.4 GHz+13% | 4.8 GHz |
| Base Clock | 4.5 GHz+67% | 2.7 GHz |
| L3 Cache | 64 MB (total) | 75 MB+17% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-43% | Intel 7 nm |
| Architecture | Shimada Peak (2025) | Sapphire Rapids (2023−2024) |
| PassMark | 67,561 | 67,754 |
| Cinebench R23 Multi | 40,000 | — |
| Geekbench 6 Single | 3,016+31% | 2,300 |
| Geekbench 6 Multi | 23,596+38% | 17,120 |
Memory & Platform
The Ryzen Threadripper PRO 9955WX uses the sTR5 socket (PCIe 4.0), while the Xeon w7-3555 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Xeon w7-3555 supports up to 4096 GB of RAM compared to 2048 GB — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 9955WX) vs 112 (Xeon w7-3555) — the Ryzen Threadripper PRO 9955WX offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90 (Ryzen Threadripper PRO 9955WX) and W790 (Xeon w7-3555).
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Socket | sTR5 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-6400 | DDR5-4800 |
| Max RAM Capacity | 2048 GB | 4096 GB+100% |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+14% | 112 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support true virtualization. Direct competitor: Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555; Xeon w7-3555 rivals Threadripper PRO 7965WX.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | true |
Value Analysis
The Ryzen Threadripper PRO 9955WX launched at $429 MSRP, while the Xeon w7-3555 debuted at $2749. On MSRP ($429 vs $2749), the Ryzen Threadripper PRO 9955WX is $2320 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 9955WX delivers 157.5 pts/$ vs 24.6 pts/$ for the Xeon w7-3555 — making the Ryzen Threadripper PRO 9955WX the 145.9% better value option.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| MSRP | $429-84% | $2749 |
| Performance per Dollar | 157.5+540% | 24.6 |
| Release Date | 2025 | 2024 |
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