Intel Core i9-11900KF vs Intel Core i9-12900H

Compare Intel 11th Generation Core i9 8 core CPU vs Intel 12th Generation Core i9 14 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

8335 points
2% slightly better overall score
8158 points

Gaming Score

The raw gaming performance with a fast GPU

10716 points
4% slightly better gaming score
10256 points

Multitasking Score

Performance in workloads using up to 8 cores

7549 points
0.07% slightly better multitasking score
7544 points

Heavy Workload Score

Performance in workloads using up to 16 cores

7340 points
7441 points
1% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-11900KF and the Core i9-12900H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8401 points
11% slightly higher 3DMark Physics score
7534 points
Blender score

Blender score

Cycles Render (Samples per minute)

206.76 points
209.04 points
1% slightly higher Blender score

Specifications

Cores

Number of physical processing units

8
14
75% significantly more cores

Threads

Number of logical processing units

16
20
25% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz
40% slightly higher clock speed
2.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.3 GHz
6% slightly higher turbo speed
5 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

125 W
45 W
177% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
28
40% 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
100% significantly more supported memory
64 GiB

L1 Cache

Smallest embedded memory, but the fastest

640 KiB
1120 KiB
75% significantly more L1 cache

L3 Cache

General memory pool for all cores

16 MiB
24 MiB
49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

133rd of 1,089
142nd of 1,089

Family

The product line

11th Generation Core i9
12th Generation Core i9

Release date

The official date of release of this chip

2021 February
2022 February

Memory Type

The type of memory used by this chip

DDR4-3200
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i9-11900KF vs Core i9-12900H benchmarks

In our benchmarks, the Core i9-12900H beats the Core i9-11900KF in overall performance. Despite this, the Core i9-11900KF has the advantage in our gaming benchmark.

With info from our database, we find that the Core i9-12900H has significantly more cores with 14 cores whereas the Core i9-11900KF has 8 cores. It also has more threads than the Core i9-11900KF. Our comparison shows that the Core i9-11900KF has a slightly higher clock speed compared to the Core i9-12900H. Also, the Core i9-11900KF has a slightly higher turbo speed. The Core i9-12900H outputs less heat than Core i9-11900KF thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i9-11900KF has more threads than cores. Each physical core is split into multiple threads.

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