Intel Core Ultra 7 155H vs Intel Core Ultra 5 125H

Compare Intel 16 core CPU vs Intel 14 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

7084 points
18% slightly better overall score
5962 points

Gaming Score

The raw gaming performance with a fast GPU

9220 points
12% slightly better gaming score
8201 points

Multitasking Score

Performance in workloads using up to 8 cores

6469 points
21% slightly better multitasking score
5307 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6362 points
23% slightly better heavy workload score
5169 points

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 155H and the Core Ultra 5 125H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

6426 points
8% slightly higher 3DMark Physics score
5946 points
Blender score

Blender score

Cycles Render (Samples per minute)

159.93 points
13% slightly higher Blender score
141.11 points

Specifications

Cores

Number of physical processing units

16
14% slightly more cores
14

Threads

Number of logical processing units

22
22% slightly more threads
18

Clock Speed

Base frequency at which the chip operates

1.4 GHz
3.6 GHz
157% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
6% slightly higher turbo speed
4.5 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

28
Identical
28

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

96 GiB
Identical
96 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

18 MiB
28% slightly more L2 cache
14 MiB

L3 Cache

General memory pool for all cores

24 MiB
33% slightly more L3 cache
18 MiB

Other details

Rank

Ranking in the hardwareDB database

186th of 1,089
252nd of 1,089

Family

The product line

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

Release date

The official date of release of this chip

2023 November
2023 November

Memory Type

The type of memory used by this chip

DDR5-7467
DDR5-7467

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core Ultra 7 155H vs Core Ultra 5 125H comparison

In our benchmarks, the Core Ultra 5 125H beats the Core Ultra 7 155H in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 155H in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 155H has slightly more cores with 16 cores compared to the Core Ultra 5 125H that has 14 cores. It also has more threads than the Core Ultra 5 125H. With our hardware info, we find that the Core Ultra 5 125H has a significantly higher clock speed than the Core Ultra 7 155H. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 155H has slightly more L2 cache than the Core Ultra 5 125H. The Core Ultra 7 155H 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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