Intel Core i9-13900K vs Intel Core Ultra 9 275HX

Compare Intel 13th Generation Core i9 24 core CPU vs Intel 24 core processor, specs and benchmark score. Which is the better CPU for gaming?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

16350 points

7% slightly better overall score

15155 points

Gaming Score

The raw gaming performance with a fast GPU

15858 points

7% slightly better gaming score

14741 points

Multitasking Score

Performance in workloads using up to 8 cores

16597 points

8% slightly better multitasking score

15354 points

Heavy Workload Score

Performance in workloads using up to 16 cores

16857 points

8% slightly better heavy workload score

15488 points

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

16398 points

0.28% slightly higher 3DMark Physics score

16352 points

Blender score

Cycles Render (Samples per minute)

522.08 points

11% slightly higher Blender score

466.44 points

Geekbench 6 (multi) score

Multi threaded benchmark

19967 points

11% slightly higher Geekbench 6 (multi) score

17922 points

Geekbench 6 (single) score

Single threaded benchmark

2985 points

4% slightly higher Geekbench 6 (single) score

2844 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3 GHz

11% slightly higher clock speed

2.7 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.7 GHz

5% slightly higher turbo speed

5.4 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

Identical

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB

256 GiB

100% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

32 MiB

40 MiB

25% slightly more L2 cache

L3 Cache

General memory pool for all cores

36 MiB

Identical

36 MiB

Other details

Rank

Ranking in the hardwareDB database

13th of 1,089

21st of 1,089

Family

The product line

13th Generation Core i9

Core Ultra (Series 2)

Release date

The official date of release of this chip

2022 October

2025 February

Memory Type

The type of memory used by this chip

DDR5-5600

DDR5-6400

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Yes

Core i9-13900K vs Core Ultra 9 275HX comparison

According to the hardwareDB Benchmark tool, the Core i9-13900K is faster than the Core Ultra 9 275HX. Furthermore, our gaming benchmark shows that it also outperforms the Core Ultra 9 275HX in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores but the Core i9-13900K has more threads. With our hardware info, we find that the Core i9-13900K has a slightly higher clock speed than the Core Ultra 9 275HX. In terms of cache, the Core Ultra 9 275HX has slightly more L2 cache when compared to the Core i9-13900K. However, both these chips have the same amount of 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 i9-13900K has more threads than cores. Each physical core is split into multiple threads.