AMD Ryzen 9 8945HX vs Intel Core Ultra 7 255H

Compare AMD Ryzen 8000 Series 16 core CPU vs Intel Core Ultra (Series 2) 16 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

8535 points
206% significantly better overall score
2788 points

Gaming Score

The raw gaming performance with a fast GPU

8107 points
134% significantly better gaming score
3457 points

Multitasking Score

Performance in workloads using up to 8 cores

8825 points
241% significantly better multitasking score
2584 points

Heavy Workload Score

Performance in workloads using up to 16 cores

9118 points
261% significantly better heavy workload score
2521 points

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Want to compare your processor against the Ryzen 9 8945HX and the Core Ultra 7 255H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

468.88 points
120% significantly higher Blender score
212.94 points

Specifications

Cores

Number of physical processing units

16
Identical
16

Threads

Number of logical processing units

32
100% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

2.50 GHz
25% slightly higher clock speed
2 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz
5% slightly higher turbo speed
5.1 GHz

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB
28 MiB
75% significantly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
166% significantly more L3 cache
24 MiB

Other details

Rank

Ranking in the hardwareDB database

124th of 1,089
572nd of 1,089

Family

The product line

Ryzen 8000 Series
Core Ultra (Series 2)

Release date

The official date of release of this chip

2025 April
2025 February

Memory Type

The type of memory used by this chip

DDR5
DDR5-8400

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 9 8945HX vs Core Ultra 7 255H specs and performance

Our benchmark analysis concludes that the Ryzen 9 8945HX performs better than the Core Ultra 7 255H. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 7 255H in all gaming tests too.

Info from our database shows that they both have the same core count but the Ryzen 9 8945HX has more threads. These CPUs have different clock speeds. Indeed, the Ryzen 9 8945HX has a slightly higher clock speed compared to the Core Ultra 7 255H. Also, the Ryzen 9 8945HX has a slightly higher turbo speed. In terms of cache, the Core Ultra 7 255H has significantly more L2 cache when compared to the Ryzen 9 8945HX. Despite this, the Ryzen 9 8945HX has significantly more L3 cache compared to the Core Ultra 7 255H.

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 Ryzen 9 8945HX has more threads than cores. Each physical core is split into multiple threads.

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