Intel Core i9-12900K vs Intel Pentium Gold G6400

Compare Intel 12th Generation Core i9 16 core CPU vs Intel Pentium Gold Series 2 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

$ 289.00
$ 79.83
$ 209.17 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

13331 points
643% significantly better overall score
1794 points

Gaming Score

The raw gaming performance with a fast GPU

14234 points
291% significantly better gaming score
3637 points

Multitasking Score

Performance in workloads using up to 8 cores

13035 points
883% significantly better multitasking score
1325 points

Heavy Workload Score

Performance in workloads using up to 16 cores

12983 points
919% significantly better heavy workload score
1273 points

Free CPU Benchmark

Want to compare your processor against the Core i9-12900K and the Pentium Gold G6400? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

364.47 points
901% significantly higher Blender score
36.40 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

15365 points
828% significantly higher Geekbench 6 (multi) score
1655 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2616 points
225% significantly higher Geekbench 6 (single) score
804 points

Specifications

Cores

Number of physical processing units

16
700% significantly more cores
2

Threads

Number of logical processing units

24
499% significantly more threads
4

Clock Speed

Base frequency at which the chip operates

3.2 GHz
4.01 GHz
25% slightly higher clock speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

241 W
58 W
315% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
25% slightly more pcie lanes
16

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

1280 KiB
900% significantly more L1 cache
128 KiB

L3 Cache

General memory pool for all cores

30 MiB
650% significantly more L3 cache
4 MiB

Other details

Rank

Ranking in the hardwareDB database

39th of 1,089
758th of 1,089

Family

The product line

12th Generation Core i9
Pentium Gold Series

Release date

The official date of release of this chip

2021 November
2020 May

Memory Type

The type of memory used by this chip

DDR5-4800
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

Yes
-

Core i9-12900K vs Pentium Gold G6400 comparison

Our benchmark analysis concludes that the Core i9-12900K performs better than the Pentium Gold G6400. Furthermore, our gaming benchmark shows that it also outperforms the Pentium Gold G6400 in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i9-12900K has significantly more cores with 16 cores compared to the Pentium Gold G6400 that has 2 cores. It also has more threads than the Pentium Gold G6400. With our hardware info, we find that the Pentium Gold G6400 has a slightly higher clock speed than the Core i9-12900K. The Pentium Gold G6400 outputs less heat than Core i9-12900K 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 i9-12900K has more threads than cores. Each physical core is split into multiple threads.

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