
Xeon W-11855M vs Core Ultra 5 235U

Xeon W-11855M

Core Ultra 5 235U
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-11855M
Performance Per Dollar Core Ultra 5 235U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-11855M | Core Ultra 5 235U |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | ✨ Modern (Arrow Lake-U (2025) / 5 nm) |
💎 Value Proposition
| Insight | Xeon W-11855M | Core Ultra 5 235U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
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-11855M and Core Ultra 5 235U

Xeon W-11855M
The Xeon W-11855M 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 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 4.9 GHz. L3 cache: 18 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: 17,462 points. Launch price was $450.

Core Ultra 5 235U
The Core Ultra 5 235U is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-U (2025) architecture. It features 12 cores and 14 threads. Base frequency is 2.4 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 14 MB + 12 MB. Memory support: DDR5. Passmark benchmark score: 17,397 points. Launch price was $299.
Processing Power
The Xeon W-11855M packs 6 cores / 12 threads, while the Core Ultra 5 235U offers 12 cores / 14 threads — the Core Ultra 5 235U has 6 more cores. Boost clocks reach 4.9 GHz on the Xeon W-11855M versus 4.9 GHz on the Core Ultra 5 235U — identical boost frequencies (base: 3.2 GHz vs 2.4 GHz). The Xeon W-11855M uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Core Ultra 5 235U uses Arrow Lake-U (2025) (5 nm). In PassMark, the Xeon W-11855M scores 17,462 against the Core Ultra 5 235U's 17,397 — a 0.4% lead for the Xeon W-11855M. L3 cache: 18 MB (total) on the Xeon W-11855M vs 12 MB on the Core Ultra 5 235U.
| Feature | Xeon W-11855M | Core Ultra 5 235U |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 14+100% |
| Boost Clock | 4.9 GHz | 4.9 GHz |
| Base Clock | 3.2 GHz+33% | 2.4 GHz |
| L3 Cache | 18 MB (total)+50% | 12 MB |
| L2 Cache | 1.25 MB (per core) | — |
| Process | 10 nm SuperFin | 5 nm-50% |
| Architecture | Tiger Lake-H (2021) | Arrow Lake-U (2025) |
| PassMark | 17,462 | 17,397 |
Memory & Platform
The Xeon W-11855M uses the FCBGA1787 socket (PCIe 5.0), while the Core Ultra 5 235U uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-11855M | Core Ultra 5 235U |
|---|---|---|
| Socket | FCBGA1787 | FCBGA2049 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
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