Intel Core i9-9900K vs Intel Core Ultra 7 155H

Compare Intel 9th Generation Core i9 8 core CPU vs Intel 16 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

$ 350.22
$ 1149.77 significantly less expensive
$ 1499.99

Benchmark Score

Overall Score

A combined score of all workloads

6719 points
7084 points
5% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8223 points
9220 points
12% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6214 points
6469 points
4% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6073 points
6362 points
4% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-9900K 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

7038 points
9% slightly higher 3DMark Physics score
6426 points
Blender score

Blender score

Cycles Render (Samples per minute)

175.64 points
9% slightly higher Blender score
159.93 points
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

12397 points
15043 points
21% slightly higher Cinebench R23 score

Specifications

Cores

Number of physical processing units

8
16
100% significantly more cores

Threads

Number of logical processing units

16
22
37% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.6 GHz
157% significantly higher clock speed
1.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
4% slightly higher turbo speed
4.8 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
28
75% significantly 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

2 MiB
18 MiB
800% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
24 MiB
49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

209th of 1,089
186th of 1,089

Family

The product line

9th Generation Core i9
Core Ultra (Series 1)

Release date

The official date of release of this chip

2018 November
2023 November

Memory Type

The type of memory used by this chip

DDR4-2666
DDR5-7467

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i9-9900K vs Core Ultra 7 155H benchmarks

According to the hardwareDB Benchmark tool, the Core i9-9900K is faster than the Core Ultra 7 155H. Despite this, the Core Ultra 7 155H has the advantage in our gaming benchmark.

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 i9-9900K that has 8 cores. It also has more threads than the Core i9-9900K. These CPUs have different clock speeds. Indeed, the Core i9-9900K has a significantly higher clock speed compared to the Core Ultra 7 155H. In terms of cache, the Core Ultra 7 155H has significantly more L2 cache when compared to the Core i9-9900K. 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 i9-9900K has more threads than cores. Each physical core is split into multiple threads.

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