AMD Ryzen 7 9800X3D vs Intel Core Ultra 7 255HX

Compare AMD Ryzen 9000 Series 8 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

10982 points
14832 points
35% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

13108 points
14976 points
14% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

10252 points
14778 points
44% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

10031 points
14762 points
47% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 7 9800X3D 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)

325.43 points
406.07 points
24% slightly higher Blender score

Specifications

Cores

Number of physical processing units

8
20
150% significantly more cores

Threads

Number of logical processing units

16
20
25% slightly more threads

Clock Speed

Base frequency at which the chip operates

4.7 GHz
95% significantly higher clock speed
2.4 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz
Identical
5.2 GHz

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

8 MiB
36 MiB
350% significantly more L2 cache

L3 Cache

General memory pool for all cores

96 MiB
220% significantly more L3 cache
30 MiB

Other details

Rank

Ranking in the hardwareDB database

70th of 1,089
25th of 1,089

Family

The product line

Ryzen 9000 Series
Core Ultra (Series 2)

Release date

The official date of release of this chip

2024 November
2025 February

Memory Type

The type of memory used by this chip

DDR5
DDR5-6400

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 7 9800X3D vs Core Ultra 7 255HX benchmarks

According to the hardwareDB Benchmark tool, the Core Ultra 7 255HX is faster than the Ryzen 7 9800X3D. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 9800X3D in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 255HX has significantly more cores than the Ryzen 7 9800X3D. Indeed, the Core Ultra 7 255HX has 20 cores compared to 8 cores found in the Ryzen 7 9800X3D. It also has more threads than the Ryzen 7 9800X3D. These CPUs have different clock speeds. Indeed, the Ryzen 7 9800X3D has a significantly higher clock speed compared to the Core Ultra 7 255HX. Furthermore, both these CPUs have identical turbo speeds. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 255HX has significantly more L2 cache than the Ryzen 7 9800X3D. Despite this, the Ryzen 7 9800X3D 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. Indeed, the Ryzen 7 9800X3D has more threads than cores. Each physical core is split into multiple threads.

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