Xeon W-1270 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.

Xeon W-1270 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.

Xeon W-1270 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.

Xeon W-1270

2020

Why buy it

✅Better for gaming: +16.0% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (17,456 vs 17,462).
❌128.6% higher power demand at 80W vs 35W.

Xeon W-11855M

2021

Why buy it

✅+0% higher PassMark.
✅Draws 35W instead of 80W, a 45W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-1270 across 50 shared CPU benchmark tests.
❌Launch MSRP is still $450 MSRP, while Xeon W-1270 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Xeon W-11855M better than Xeon W-1270?

It depends on what you want from the system. For gaming, Xeon W-1270 is ahead with a 16.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon W-11855M pulls ahead with 0% better PassMark.

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% better PassMark, backed by 6 cores and 12 threads.

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

Xeon W-11855M is the better buy right now. Xeon W-11855M comes in at an unclear MSRP at $450 MSRP versus unclear MSRP, and it still gives you 0% better PassMark. The compromise is that Xeon W-1270 is still the better pure gaming CPU with a 16.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (38.8 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon W-11855M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020) and more multi-core headroom with 6 cores / 12 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon W-1270 vs Xeon W-11855M Technical Specifications

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

Xeon W-1270

The Xeon W-1270 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 5 GHz. L3 cache: 16 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2933. Passmark benchmark score: 17,456 points. Launch price was $800.

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 Xeon W-1270 packs 8 cores / 16 threads, while the Xeon W-11855M offers 6 cores / 12 threads — the Xeon W-1270 has 2 more cores. Boost clocks reach 5 GHz on the Xeon W-1270 versus 4.9 GHz on the Xeon W-11855M — a 2% clock advantage for the Xeon W-1270 (base: 3.4 GHz vs 3.2 GHz). The Xeon W-11855M is built on the Tiger Lake-H (2021) architecture. In PassMark, the Xeon W-1270 scores 17,456 against the Xeon W-11855M's 17,462 — a 0% lead for the Xeon W-11855M. L3 cache: 16 MB Intel® Smart Cache on the Xeon W-1270 vs 18 MB (total) on the Xeon W-11855M.

Feature	Xeon W-1270	Xeon W-11855M
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	5 GHz+2%	4.9 GHz
Base Clock	3.4 GHz+6%	3.2 GHz
L3 Cache	16 MB Intel® Smart Cache	18 MB (total)+13%
L2 Cache	—	1.25 MB (per core)
Process	14 nm	10 nm SuperFin-29%
Architecture	—	Tiger Lake-H (2021)
PassMark	17,456	17,462

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Memory & Platform

The Xeon W-1270 uses the LGA1200 socket (PCIe 3.0), while the Xeon W-11855M uses FCBGA1787 (PCIe 5.0) — making them incompatible on the same motherboard.