Intel Core i5-11400H vs Intel Core Ultra 7 155H

Compare Intel 11th Generation Core i5 6 core CPU vs Intel 16 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

5137 points
7084 points
37% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7413 points
9220 points
24% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4443 points
6469 points
45% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4295 points
6362 points
48% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-11400H and the Core Ultra 7 155H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

5385 points
6426 points
19% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

107.17 points
159.93 points
49% significantly higher Blender score
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

9406 points
15043 points
59% significantly higher Cinebench R23 score

Specifications

Cores

Number of physical processing units

6
16
166% significantly more cores

Threads

Number of logical processing units

12
22
83% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.69 GHz
92% significantly higher clock speed
1.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.5 GHz
4.8 GHz
6% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
28
40% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
33% slightly more supported memory
96 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

7.5 MiB
18 MiB
139% significantly more L2 cache

L3 Cache

General memory pool for all cores

12 MiB
24 MiB
100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

333rd of 1,089
186th of 1,089

Family

The product line

11th Generation Core i5
Core Ultra (Series 1)

Release date

The official date of release of this chip

2021 May
2023 November

Memory Type

The type of memory used by this chip

-
DDR5-7467

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-11400H vs Core Ultra 7 155H benchmarks

Our benchmark analysis concludes that the Core Ultra 7 155H performs better than the Core i5-11400H. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-11400H in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core Ultra 7 155H has significantly more cores with 16 cores compared to the Core i5-11400H that has 6 cores. It also has more threads than the Core i5-11400H. With our hardware info, we find that the Core i5-11400H 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 significantly more L2 cache than the Core i5-11400H. The Core Ultra 7 155H also has significantly 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. Indeed, the Core i5-11400H has more threads than cores. Each physical core is split into multiple threads.

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