Intel Core i9-12900KF vs Intel Core Ultra 9 285K

Compare Intel 12th Generation Core i9 16 core CPU vs Intel Core Ultra (Series 2) 24 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 279.99
$ 479.00 significantly less expensive
$ 758.99

Benchmark Score

Overall Score

A combined score of all workloads

12789 points
17900 points
39% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

14030 points
16115 points
14% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

12383 points
18547 points
49% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

12302 points
18824 points
53% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-12900KF and the Core Ultra 9 285K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

11666 points
18587 points
59% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

361.08 points
555.81 points
53% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

14786 points
22613 points
52% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2584 points
3204 points
23% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

16
24
49% significantly more cores

Threads

Number of logical processing units

24
Identical
24

Clock Speed

Base frequency at which the chip operates

3.2 GHz
3.7 GHz
15% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.2 GHz
5.7 GHz
9% slightly higher turbo speed

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
192 GiB
49% significantly more supported memory

L3 Cache

General memory pool for all cores

30 MiB
36 MiB
20% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

44th of 1,089
4th of 1,089

Family

The product line

12th Generation Core i9
Core Ultra (Series 2)

Release date

The official date of release of this chip

2021 November
2024 November

Memory Type

The type of memory used by this chip

DDR5-4800
DDR5-6400

Is Unlocked

Can this CPU can be overclocked

Yes
-

Supports ECC memory

Does this CPU support error correcting memory

-
Yes

Core i9-12900KF vs Core Ultra 9 285K comparison

In our benchmarks, the Core Ultra 9 285K beats the Core i9-12900KF in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-12900KF in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core Ultra 9 285K has significantly more cores than the Core i9-12900KF. Indeed, the Core Ultra 9 285K has 24 cores compared to 16 cores found in the Core i9-12900KF. But they both have the same number of threads. Our comparison shows that the Core Ultra 9 285K has a slightly higher clock speed compared to the Core i9-12900KF. Also, the Core Ultra 9 285K has a slightly higher turbo speed.

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 i9-12900KF has more threads than cores. Each physical core is split into multiple threads.

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