Intel Core Ultra 7 255HX vs AMD Ryzen 9 9955HX

Compare Intel Core Ultra (Series 2) 20 core CPU vs AMD Ryzen 9000 Series 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

13525 points

18% slightly better overall score

11380 points

Gaming Score

The raw gaming performance with a fast GPU

13846 points

30% slightly better gaming score

10581 points

Multitasking Score

Performance in workloads using up to 8 cores

13475 points

14% slightly better multitasking score

11723 points

Heavy Workload Score

Performance in workloads using up to 16 cores

13532 points

12% slightly better heavy workload score

11982 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

406.07 points

538.07 points

32% slightly higher Blender score

Specifications

Cores

Number of physical processing units

25% slightly more cores

Threads

Number of logical processing units

60% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.4 GHz

2.5 GHz

4% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz

5.4 GHz

3% slightly higher turbo speed

Memory Channels

Lanes for simultaneous memory access

Identical

L2 Cache

Secondary embedded memory, slower than L1 cache

36 MiB

125% significantly more L2 cache

16 MiB

L3 Cache

General memory pool for all cores

30 MiB

64 MiB

113% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

37th of 1,126

68th of 1,126

Family

The product line

Core Ultra (Series 2)

Ryzen 9000 Series

Release date

The official date of release of this chip

2025 February

Memory Type

The type of memory used by this chip

DDR5-6400

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core Ultra 7 255HX vs Ryzen 9 9955HX specs and performance

According to the hardwareDB Benchmark tool, the Core Ultra 7 255HX is faster than the Ryzen 9 9955HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 9955HX 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 Ryzen 9 9955HX has 16 cores. Despite this, the Ryzen 9 9955HX has more threads than the Core Ultra 7 255HX. With our hardware info, we find that the Ryzen 9 9955HX has a slightly higher clock speed than the Core Ultra 7 255HX. Also, the Ryzen 9 9955HX has a slightly higher turbo speed. The info from our database shows that the Core Ultra 7 255HX has more L2 cache than the Ryzen 9 9955HX. Despite this, the Ryzen 9 9955HX has significantly more L3 cache compared to the Core Ultra 7 255HX.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. For instance, the Core Ultra 7 255HX has the same number of threads as cores. This means the the CPU does not support hyperthreading.