Intel Core i9-11900KF vs Intel Core i9-12950HX

Compare Intel 11th Generation Core i9 8 core CPU vs Intel 12th Generation Core i9 16 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

8335 points
9181 points
10% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10716 points
0.53% slightly better gaming score
10659 points

Multitasking Score

Performance in workloads using up to 8 cores

7549 points
8766 points
16% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

7340 points
8710 points
18% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-11900KF and the Core i9-12950HX? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

206.76 points
247.44 points
19% slightly higher Blender score

Specifications

Cores

Number of physical processing units

8
16
100% significantly more cores

Threads

Number of logical processing units

16
24
49% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz
52% significantly higher clock speed
2.3 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
55 W
127% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
Identical
20

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
Identical
128 GiB

L1 Cache

Smallest embedded memory, but the fastest

640 KiB
1280 KiB
100% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB
14 MiB
250% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB
30 MiB
87% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

133rd of 1,089
108th 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 May

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
Yes

Core i9-11900KF vs Core i9-12950HX specs and performance

Our benchmark analysis concludes that the Core i9-12950HX performs better than the Core i9-11900KF. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-11900KF in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-12950HX has significantly more cores than the Core i9-11900KF. Indeed, the Core i9-12950HX has 16 cores compared to 8 cores found in the Core i9-11900KF. It also has more threads than the Core i9-11900KF. With our hardware info, we find that the Core i9-11900KF has a significantly higher clock speed than the Core i9-12950HX. Also, the Core i9-11900KF has a slightly higher turbo speed. The Core i9-12950HX 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 cache sizes of these CPUs are different. Indeed, the Core i9-12950HX has significantly more L2 cache than the Core i9-11900KF. The Core i9-12950HX 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 i9-11900KF has more threads than cores. Each physical core is split into multiple threads.

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