Intel Core Ultra 7 255H vs Intel Core Ultra 7 255HX

Compare Intel Core Ultra (Series 2) 16 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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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

2788 points

14832 points

431% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3457 points

14976 points

333% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2584 points

14778 points

471% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2521 points

14762 points

485% significantly better heavy workload score

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

212.94 points

406.07 points

90% significantly higher Blender score

Specifications

Cores

Number of physical processing units

25% slightly more cores

Threads

Number of logical processing units

25% slightly more threads

Clock Speed

Base frequency at which the chip operates

2 GHz

2.4 GHz

20% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz

5.2 GHz

1% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16% 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

L2 Cache

Secondary embedded memory, slower than L1 cache

28 MiB

36 MiB

28% slightly more L2 cache

L3 Cache

General memory pool for all cores

24 MiB

30 MiB

25% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

572nd of 1,089

25th of 1,089

Family

The product line

Core Ultra (Series 2)

Release date

The official date of release of this chip

2025 February

Memory Type

The type of memory used by this chip

DDR5-8400

DDR5-6400

Supports ECC memory

Does this CPU support error correcting memory

Core Ultra 7 255H vs Core Ultra 7 255HX comparison

Our benchmark analysis concludes that the Core Ultra 7 255HX performs better than the Core Ultra 7 255H. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 255H in all gaming tests too.

With info from our database, we find that the Core Ultra 7 255HX has slightly more cores with 20 cores whereas the Core Ultra 7 255H has 16 cores. It also has more threads than the Core Ultra 7 255H. With our hardware info, we find that the Core Ultra 7 255HX has a slightly higher clock speed than the Core Ultra 7 255H. Also, the Core Ultra 7 255HX has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 255HX has slightly more L2 cache than the Core Ultra 7 255H. The Core Ultra 7 255HX also has slightly more L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. For instance, the Core Ultra 7 255H has the same number of threads as cores. This means the the CPU does not support hyperthreading.