Core Ultra 5 235U vs Xeon W-11855M

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.

Core Ultra 5 235U vs Xeon W-11855M 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.

Core Ultra 5 235U vs Xeon W-11855M: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core Ultra 5 235U

2025

Why buy it

✅Better for gaming: +17.2% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 14W instead of 35W, a 21W reduction.
✅Newer platform on FCBGA2049 with DDR5 support instead of FCBGA1787 and DDR4.

Trade-offs

❌Lower PassMark (17,397 vs 17,462).
❌Smaller total L3 cache (12 MB vs 18 MB).

Xeon W-11855M

2021

Why buy it

✅+0.4% higher PassMark.
✅+50% larger total L3 cache (18 MB vs 12 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 5 235U across 50 shared CPU benchmark tests.
❌Launch MSRP is still $450 MSRP, while Core Ultra 5 235U mostly shows up through inconsistent older-market listings.
❌150% higher power demand at 35W vs 14W.
❌Older platform position on FCBGA1787 with DDR4, while Core Ultra 5 235U moves to FCBGA2049 and DDR5.

Quick Answers

So, is Core Ultra 5 235U better than Xeon W-11855M?

Not really, because they are built for different jobs. Xeon W-11855M makes more sense for workstation-style multi-core throughput, while Core Ultra 5 235U is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon W-11855M is the stronger fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Core Ultra 5 235U is the easy recommendation for a fresh desktop build. Core Ultra 5 235U comes in at an unclear MSRP at unclear MSRP versus $450 MSRP, and it still gives you a 17.2% average FPS lead across 50 shared CPU game tests in our data. Xeon W-11855M only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 17.2% in the shared gaming data.

Which one is more future-proof for 2026 and beyond?

Core Ultra 5 235U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021) and a healthier platform with FCBGA2049 and DDR5 instead of FCBGA1787. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 5 235U vs Xeon W-11855M Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.

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Processing Power

The Core Ultra 5 235U packs 12 cores / 14 threads, while the Xeon W-11855M offers 6 cores / 12 threads — the Core Ultra 5 235U has 6 more cores. Boost clocks reach 4.9 GHz on the Core Ultra 5 235U versus 4.9 GHz on the Xeon W-11855M — identical boost frequencies (base: 2.4 GHz vs 3.2 GHz). The Core Ultra 5 235U uses the Arrow Lake-U (2025) architecture (5 nm), while the Xeon W-11855M uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Core Ultra 5 235U scores 17,397 against the Xeon W-11855M's 17,462 — a 0.4% lead for the Xeon W-11855M. L3 cache: 12 MB on the Core Ultra 5 235U vs 18 MB (total) on the Xeon W-11855M.

Feature	Core Ultra 5 235U	Xeon W-11855M
Cores / Threads	12 / 14+100%	6 / 12
Boost Clock	4.9 GHz	4.9 GHz
Base Clock	2.4 GHz	3.2 GHz+33%
L3 Cache	12 MB	18 MB (total)+50%
L2 Cache	—	1.25 MB (per core)
Process	5 nm-50%	10 nm SuperFin
Architecture	Arrow Lake-U (2025)	Tiger Lake-H (2021)
PassMark	17,397	17,462

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Memory & Platform

The Core Ultra 5 235U uses the FCBGA2049 socket (PCIe 5.0), while the Xeon W-11855M uses FCBGA1787 (PCIe 5.0) — making them incompatible on the same motherboard.