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

Compare Intel 12th Generation Core i9 14 core CPU vs Intel Core Ultra (Series 2) 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

6371 points
17900 points
180% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8680 points
16115 points
85% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

5739 points
18547 points
223% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

5626 points
18824 points
234% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-12900HK 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

7480 points
18587 points
148% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

178.23 points
555.81 points
211% significantly higher Blender score

Specifications

Cores

Number of physical processing units

14
24
71% significantly more cores

Threads

Number of logical processing units

20
24
20% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.5 GHz
3.7 GHz
47% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
5.7 GHz
13% slightly higher turbo speed

PCIe Lanes

Number of physical connections between the CPU and expansion slots

28
16% slightly more pcie lanes
24

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
192 GiB
200% significantly more supported memory

L2 Cache

Secondary embedded memory, slower than L1 cache

7.5 MiB
40 MiB
433% significantly more L2 cache

L3 Cache

General memory pool for all cores

24 MiB
36 MiB
49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

230th 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

2022 February
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

No
Yes

Core i9-12900HK vs Core Ultra 9 285K specs and performance

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

With info from our database, we find that the Core Ultra 9 285K has significantly more cores with 24 cores whereas the Core i9-12900HK has 14 cores. It also has more threads than the Core i9-12900HK. These CPUs have different clock speeds. Indeed, the Core Ultra 9 285K has a significantly higher clock speed compared to the Core i9-12900HK. Also, the Core Ultra 9 285K has a slightly higher turbo speed. In terms of cache, the Core Ultra 9 285K has significantly more L2 cache when compared to the Core i9-12900HK. The Core Ultra 9 285K also has significantly more 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 i9-12900HK has more threads than cores. Each physical core is split into multiple threads.

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