Intel Core Ultra 9 185H vs Intel Core Ultra 7 255HX

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?

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Benchmark Score

Overall Score

A combined score of all workloads

8045 points
13450 points
67% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9968 points
13943 points
39% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

7475 points
13299 points
77% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

7363 points
13279 points
80% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core Ultra 9 185H 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)

208.48 points
406.07 points
94% 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

2.5 GHz
4% slightly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.1 GHz
5.2 GHz
1% 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
256 GiB
166% 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

154th of 1,104
36th of 1,104

Family

The product line

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

Release date

The official date of release of this chip

2023 November
2025 February

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
No

Core Ultra 9 185H vs Core Ultra 7 255HX benchmarks

Our benchmark analysis concludes that the Core Ultra 7 255HX performs better than the Core Ultra 9 185H. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 9 185H in all gaming tests too.

With info from our database, we find that the Core Ultra 7 255HX has slightly more cores with 20 cores whereas the Core Ultra 9 185H has 16 cores. Despite this, the Core Ultra 9 185H has more threads than the Core Ultra 7 255HX. These CPUs have different clock speeds. Indeed, the Core Ultra 9 185H has a slightly higher clock speed compared to the Core Ultra 7 255HX. Despite this, the Core Ultra 7 255HX has a slightly higher turbo speed. The info from our database shows that the Core Ultra 7 255HX has more L2 cache than the Core Ultra 9 185H. The Core Ultra 7 255HX 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 9 185H has more threads than cores. Each physical core is split into multiple threads.

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