AMD Ryzen 9 9900X vs Intel Core Ultra 9 275HX

Compare AMD Ryzen 9000 Series 12 core CPU vs Intel 24 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

13788 points
15155 points
9% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

14026 points
14741 points
5% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

13725 points
15354 points
11% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

13727 points
15488 points
12% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 9900X and the Core Ultra 9 275HX? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

13920 points
16352 points
17% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

462.53 points
466.44 points
0.84% slightly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

19790 points
10% slightly higher Geekbench 6 (multi) score
17922 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

3339 points
17% slightly higher Geekbench 6 (single) score
2844 points

Specifications

Cores

Number of physical processing units

12
24
100% significantly more cores

Threads

Number of logical processing units

24
Identical
24

Clock Speed

Base frequency at which the chip operates

4.4 GHz
62% significantly higher clock speed
2.7 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.6 GHz
3% slightly higher turbo speed
5.4 GHz

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

12 MiB
40 MiB
233% significantly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
77% significantly more L3 cache
36 MiB

Other details

Rank

Ranking in the hardwareDB database

35th of 1,089
21st 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 August
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 9 9900X vs Core Ultra 9 275HX specs and performance

In our benchmarks, the Ryzen 9 9900X beats the Core Ultra 9 275HX in overall performance. Despite this, the Core Ultra 9 275HX has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core Ultra 9 275HX has significantly more cores than the Ryzen 9 9900X. Indeed, the Core Ultra 9 275HX has 24 cores compared to 12 cores found in the Ryzen 9 9900X. But they both have the same number of threads. Our comparison shows that the Ryzen 9 9900X has a significantly higher clock speed compared to the Core Ultra 9 275HX. The cache sizes of these CPUs are different. Indeed, the Core Ultra 9 275HX has significantly more L2 cache than the Ryzen 9 9900X. Despite this, the Ryzen 9 9900X has significantly more L3 cache compared to the Core Ultra 9 275HX.

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 9 9900X has more threads than cores. Each physical core is split into multiple threads.

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