Intel Xeon W-11855M vs Intel Core Ultra 7 255HX

Compare Intel Xeon W 6 core CPU vs Intel Core Ultra (Series 2) 20 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

5286 points

14832 points

180% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7503 points

14976 points

99% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4615 points

14778 points

220% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4471 points

14762 points

230% significantly better heavy workload score

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

121.37 points

406.07 points

234% significantly higher Blender score

Specifications

Cores

Number of physical processing units

233% significantly more cores

Threads

Number of logical processing units

66% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.2 GHz

33% slightly higher clock speed

2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.9 GHz

5.2 GHz

6% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

Identical

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB

256 GiB

100% significantly more supported memory

L3 Cache

General memory pool for all cores

18 MiB

30 MiB

66% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

315th of 1,091

25th of 1,091

Family

The product line

Xeon W

Core Ultra (Series 2)

Release date

The official date of release of this chip

2021 May

2025 February

Memory Type

The type of memory used by this chip

DDR5-6400

Is Unlocked

Can this CPU can be overclocked

Supports ECC memory

Does this CPU support error correcting memory

Yes

Xeon W-11855M vs Core Ultra 7 255HX comparison

According to the hardwareDB Benchmark tool, the Core Ultra 7 255HX is faster than the Xeon W-11855M. Furthermore, our gaming benchmark shows that it also outperforms the Xeon W-11855M in all gaming tests too.

With info from our database, we find that the Core Ultra 7 255HX has significantly more cores with 20 cores whereas the Xeon W-11855M has 6 cores. It also has more threads than the Xeon W-11855M. These CPUs have different clock speeds. Indeed, the Xeon W-11855M has a slightly higher clock speed compared to the Core Ultra 7 255HX. Despite this, the Core Ultra 7 255HX has a slightly higher turbo speed.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Xeon W-11855M has more threads than cores. Each physical core is split into multiple threads.