Intel Core Ultra 7 155H vs Intel Core Ultra 9 285K

Compare Intel Core Ultra (Series 1) 16 core CPU vs Intel Core Ultra (Series 2) 24 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 1499.99
$ 758.99
$ 741.00 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

7084 points
17900 points
152% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9220 points
16115 points
74% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6469 points
18547 points
186% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6362 points
18824 points
195% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core Ultra 7 155H and the Core Ultra 9 285K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

6426 points
18587 points
189% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

159.93 points
555.81 points
247% significantly higher Blender score

Specifications

Cores

Number of physical processing units

16
24
49% significantly more cores

Threads

Number of logical processing units

22
24
9% slightly more threads

Clock Speed

Base frequency at which the chip operates

1.4 GHz
3.7 GHz
164% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
5.7 GHz
18% 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
40 MiB
122% significantly more L2 cache

L3 Cache

General memory pool for all cores

24 MiB
36 MiB
49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

186th of 1,089
4th 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
Yes

Core Ultra 7 155H vs Core Ultra 9 285K specs and performance

In our benchmarks, the Core Ultra 9 285K 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.

With info from our database, we find that the Core Ultra 9 285K has significantly more cores with 24 cores whereas the Core Ultra 7 155H has 16 cores. It also has more threads than the Core Ultra 7 155H. These CPUs have different clock speeds. Indeed, the Core Ultra 9 285K has a significantly higher clock speed compared to the Core Ultra 7 155H. Also, the Core Ultra 9 285K has a slightly higher turbo speed. In terms of cache, the Core Ultra 9 285K has significantly more L2 cache when compared to the Core Ultra 7 155H. The Core Ultra 9 285K also has significantly 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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