Intel Core Ultra 7 265K vs Intel Core Ultra 7 255HX

Compare Intel Core Ultra (Series 2) 20 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

16691 points
12% slightly better overall score
14832 points

Gaming Score

The raw gaming performance with a fast GPU

15383 points
2% slightly better gaming score
14976 points

Multitasking Score

Performance in workloads using up to 8 cores

17117 points
15% slightly better multitasking score
14778 points

Heavy Workload Score

Performance in workloads using up to 16 cores

17234 points
16% slightly better heavy workload score
14762 points

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 265K and the Core Ultra 7 255HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

467.43 points
15% slightly higher Blender score
406.07 points

Specifications

Cores

Number of physical processing units

20
Identical
20

Threads

Number of logical processing units

20
Identical
20

Clock Speed

Base frequency at which the chip operates

3.9 GHz
62% significantly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.5 GHz
5% slightly higher turbo speed
5.2 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

24
Identical
24

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

192 GiB
256 GiB
33% slightly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

36 MiB
Identical
36 MiB

L3 Cache

General memory pool for all cores

30 MiB
Identical
30 MiB

Other details

Rank

Ranking in the hardwareDB database

10th of 1,089
25th of 1,089

Family

The product line

Core Ultra (Series 2)
Core Ultra (Series 2)

Release date

The official date of release of this chip

2024 November
2025 February

Memory Type

The type of memory used by this chip

DDR5-6400
DDR5-6400

Supports ECC memory

Does this CPU support error correcting memory

Yes
No

Core Ultra 7 265K vs Core Ultra 7 255HX benchmarks

According to the hardwareDB Benchmark tool, the Core Ultra 7 265K is faster than the Core Ultra 7 255HX. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 255HX in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores and the same number of threads. These CPUs have different clock speeds. Indeed, the Core Ultra 7 265K has a significantly higher clock speed compared to the Core Ultra 7 255HX. Also, the Core Ultra 7 265K has a slightly higher turbo speed. In terms of cache, both these CPUs have the same amount of L2 cache and L3 cache.

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. For instance, the Core Ultra 7 265K has the same number of threads as cores. This means the the CPU does not support hyperthreading.

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