Intel Core Ultra 7 265KF vs Intel Core Ultra 9 275HX

Compare Intel Core Ultra (Series 2) 20 core CPU vs Intel 24 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

16156 points
6% slightly better overall score
15155 points

Gaming Score

The raw gaming performance with a fast GPU

15910 points
7% slightly better gaming score
14741 points

Multitasking Score

Performance in workloads using up to 8 cores

16226 points
5% slightly better multitasking score
15354 points

Heavy Workload Score

Performance in workloads using up to 16 cores

16235 points
4% slightly better heavy workload score
15488 points

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 265KF and the Core Ultra 9 275HX? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

16583 points
1% slightly higher 3DMark Physics score
16352 points
Blender score

Blender score

Cycles Render (Samples per minute)

465.77 points
466.44 points
0.14% slightly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

20340 points
13% slightly higher Geekbench 6 (multi) score
17922 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

3050 points
7% slightly higher Geekbench 6 (single) score
2844 points

Specifications

Cores

Number of physical processing units

20
24
20% slightly more cores

Threads

Number of logical processing units

20
24
20% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.9 GHz
44% significantly higher clock speed
2.7 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.5 GHz
1% slightly higher turbo speed
5.4 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
40 MiB
11% slightly more L2 cache

L3 Cache

General memory pool for all cores

30 MiB
36 MiB
20% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

15th of 1,089
21st 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

-
No

Core Ultra 7 265KF vs Core Ultra 9 275HX benchmarks

According to the hardwareDB Benchmark tool, the Core Ultra 7 265KF is faster than the Core Ultra 9 275HX. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 9 275HX in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 9 275HX has slightly more cores than the Core Ultra 7 265KF. Indeed, the Core Ultra 9 275HX has 24 cores compared to 20 cores found in the Core Ultra 7 265KF. It also has more threads than the Core Ultra 7 265KF. These CPUs have different clock speeds. Indeed, the Core Ultra 7 265KF has a significantly higher clock speed compared to the Core Ultra 9 275HX. The info from our database shows that the Core Ultra 9 275HX has more L2 cache than the Core Ultra 7 265KF. The Core Ultra 9 275HX also has slightly more 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 265KF has the same number of threads as cores. This means the the CPU does not support hyperthreading.

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