Intel Core Ultra 7 155H vs Intel Core Ultra 7 265KF

Compare Intel Core Ultra (Series 1) 16 core CPU vs Intel Core Ultra (Series 2) 20 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

7084 points
16156 points
128% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9220 points
15910 points
72% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6469 points
16226 points
150% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6362 points
16235 points
155% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 155H and the Core Ultra 7 265KF? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

6426 points
16583 points
158% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

159.93 points
465.77 points
191% significantly higher Blender score

Specifications

Cores

Number of physical processing units

16
20
25% slightly more cores

Threads

Number of logical processing units

22
10% slightly more threads
20

Clock Speed

Base frequency at which the chip operates

1.4 GHz
3.9 GHz
178% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
5.5 GHz
14% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

28
16% slightly more pcie lanes
24

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

96 GiB
192 GiB
100% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

18 MiB
36 MiB
100% significantly 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

186th of 1,089
15th of 1,089

Family

The product line

Core Ultra (Series 1)
Core Ultra (Series 2)

Release date

The official date of release of this chip

2023 November
2024 November

Memory Type

The type of memory used by this chip

DDR5-7467
DDR5-6400

Supports ECC memory

Does this CPU support error correcting memory

No
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Core Ultra 7 155H vs Core Ultra 7 265KF specs and performance

According to the hardwareDB Benchmark tool, the Core Ultra 7 265KF is faster than the Core Ultra 7 155H. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 155H in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 265KF has slightly more cores than the Core Ultra 7 155H. Indeed, the Core Ultra 7 265KF has 20 cores compared to 16 cores found in the Core Ultra 7 155H. Despite this, the Core Ultra 7 155H has more threads than the Core Ultra 7 265KF. Our comparison shows that the Core Ultra 7 265KF has a significantly higher clock speed compared to the Core Ultra 7 155H. Also, the Core Ultra 7 265KF has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 265KF has significantly more L2 cache than the Core Ultra 7 155H. The Core Ultra 7 265KF 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. Indeed, the Core Ultra 7 155H has more threads than cores. Each physical core is split into multiple threads.

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