Intel Core i9-13900KF vs Intel Core Ultra 9 285HX

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?

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Benchmark Score

Overall Score

A combined score of all workloads

17180 points
17532 points
2% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

16331 points
3% slightly better gaming score
15815 points

Multitasking Score

Performance in workloads using up to 8 cores

17547 points
18156 points
3% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

17852 points
18414 points
3% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-13900KF and the Core Ultra 9 285HX? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

16391 points
17764 points
8% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

526.86 points
2% slightly higher Blender score
515.66 points

Specifications

Cores

Number of physical processing units

24
Identical
24

Threads

Number of logical processing units

32
33% slightly more threads
24

Clock Speed

Base frequency at which the chip operates

3 GHz
7% slightly higher clock speed
2.8 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.8 GHz
5% slightly higher turbo speed
5.5 GHz

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
24
20% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

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

8th of 1,089
5th 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
Yes

Core i9-13900KF vs Core Ultra 9 285HX benchmarks

In our benchmarks, the Core Ultra 9 285HX beats the Core i9-13900KF in overall performance. Despite this, the Core i9-13900KF has the advantage in our gaming benchmark.

Our spec comparison shows that they have an identical amount of cores but the Core i9-13900KF has more threads. Our comparison shows that the Core i9-13900KF has a slightly higher clock speed compared to the Core Ultra 9 285HX. The info from our database shows that the Core Ultra 9 285HX has more L2 cache than the Core i9-13900KF. 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 i9-13900KF has more threads than cores. Each physical core is split into multiple threads.

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