Xeon W-11955M vs Core i9-9900X
Xeon W-11955M
Core i9-9900X
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-11955M
Performance Per Dollar Core i9-9900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-11955M | Core i9-9900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($450) | ✅ More affordable ($300) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon W-11955M | Core i9-9900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+50%) |
| Upfront Cost | ⚠️ Higher cost ($450) | ✅ More affordable ($300) |
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-11955M and Core i9-9900X
Xeon W-11955M
The Xeon W-11955M is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 5 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 21,702 points. Launch price was $623.
Core i9-9900X
The Core i9-9900X is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 4.5 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 21,655 points. Launch price was $989.
Processing Power
The Xeon W-11955M packs 8 cores / 16 threads, while the Core i9-9900X offers 10 cores / 20 threads — the Core i9-9900X has 2 more cores. Boost clocks reach 5 GHz on the Xeon W-11955M versus 4.5 GHz on the Core i9-9900X — a 10.5% clock advantage for the Xeon W-11955M (base: 2.1 GHz vs 3.5 GHz). The Xeon W-11955M uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Core i9-9900X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon W-11955M scores 21,702 against the Core i9-9900X's 21,655 — a 0.2% lead for the Xeon W-11955M. L3 cache: 24 MB (total) on the Xeon W-11955M vs 19.25 MB (total) on the Core i9-9900X.
| Feature | Xeon W-11955M | Core i9-9900X |
|---|---|---|
| Cores / Threads | 8 / 16 | 10 / 20+25% |
| Boost Clock | 5 GHz+11% | 4.5 GHz |
| Base Clock | 2.1 GHz | 3.5 GHz+67% |
| L3 Cache | 24 MB (total)+25% | 19.25 MB (total) |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | 10 nm SuperFin-29% | 14 nm |
| Architecture | Tiger Lake-H (2021) | Skylake (server) (2017−2018) |
| PassMark | 21,702 | 21,655 |
| Cinebench R23 Multi | — | 13,985 |
| Geekbench 6 Single | — | 1,459 |
| Geekbench 6 Multi | — | 9,475 |
Memory & Platform
The Xeon W-11955M uses the FCBGA1787 socket (PCIe 4.0), while the Core i9-9900X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-11955M | Core i9-9900X |
|---|---|---|
| Socket | FCBGA1787 | LGA2066 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 44 |
Advanced Features
Virtualization: not specified (Xeon W-11955M) / VT-x, VT-d (Core i9-9900X).
| Feature | Xeon W-11955M | Core i9-9900X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
Value Analysis
The Xeon W-11955M launched at $623 MSRP, while the Core i9-9900X debuted at $989. At current prices ($450 vs $300), the Core i9-9900X is $150 cheaper. In terms of value (PassMark points per dollar), the Xeon W-11955M delivers 48.2 pts/$ vs 72.2 pts/$ for the Core i9-9900X — making the Core i9-9900X the 39.8% better value option.
| Feature | Xeon W-11955M | Core i9-9900X |
|---|---|---|
| MSRP | $623-37% | $989 |
| Avg Price (30d) | $450 | $300-33% |
| Performance per Dollar | 48.2 | 72.2+50% |
| Release Date | 2021 | 2018 |
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