Intel Core i9-9900K vs Intel Core i7-12700H

Compare Intel 9th Generation Core i9 8 core CPU vs Intel 12th Generation Core i7 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

6719 points
7424 points
10% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8223 points
9222 points
12% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6214 points
6907 points
11% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6073 points
6820 points
12% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i9-9900K and the Core i7-12700H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

7038 points
7238 points
2% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

175.64 points
194.62 points
10% slightly higher Blender score
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

12397 points
19330 points
55% significantly higher Cinebench R23 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

3.6 GHz
56% significantly higher clock speed
2.3 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
6% slightly higher turbo speed
4.7 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

95 W
45 W
111% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
28
75% significantly 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

512 KiB
1120 KiB
118% 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

209th of 1,089
169th of 1,089

Family

The product line

9th Generation Core i9
12th Generation Core i7

Release date

The official date of release of this chip

2018 November
2022 February

Memory Type

The type of memory used by this chip

DDR4-2666
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 i9-9900K vs Core i7-12700H specs and performance

Our benchmark analysis concludes that the Core i7-12700H performs better than the Core i9-9900K. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9900K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i7-12700H has significantly more cores than the Core i9-9900K. Indeed, the Core i7-12700H has 14 cores compared to 8 cores found in the Core i9-9900K. It also has more threads than the Core i9-9900K. Our comparison shows that the Core i9-9900K has a significantly higher clock speed compared to the Core i7-12700H. Also, the Core i9-9900K has a slightly higher turbo speed. The Core i7-12700H outputs less heat than Core i9-9900K 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 i9-9900K has more threads than cores. Each physical core is split into multiple threads.

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