AMD Ryzen 9 3900X vs Intel Core i5-12400F

Compare AMD Ryzen 9 Desktop 12 core CPU vs Intel 12th Generation Core i5 6 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

$ 229.99
$ 179.99
$ 50.00 slightly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
19% slightly better overall score
7069 points

Gaming Score

The raw gaming performance with a fast GPU

8440 points
9794 points
16% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
35% slightly better multitasking score
6210 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
39% slightly better heavy workload score
6009 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Core i5-12400F? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
44% significantly higher 3DMark Physics score
5946 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
73% significantly higher Blender score
159.61 points
Cinebench R23 score

Cinebench R23 score

Multi threaded benchmark

19000 points
53% significantly higher Cinebench R23 score
12380 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

9929 points
12% slightly higher Geekbench 5 (multi) score
8804 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1667 points
2154 points
29% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
8% slightly higher Geekbench 6 (multi) score
9125 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
2218 points
30% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

12
100% significantly more cores
6

Threads

Number of logical processing units

24
100% significantly more threads
12

Clock Speed

Base frequency at which the chip operates

3.80 GHz
52% significantly higher clock speed
2.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
4% slightly higher turbo speed
4.4 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
65 W
61% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
60% significantly more L1 cache
480 KiB

L3 Cache

General memory pool for all cores

64 MiB
255% significantly more L3 cache
18 MiB

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089
188th of 1,089

Family

The product line

Ryzen 9 Desktop
12th Generation Core i5

Release date

The official date of release of this chip

2019 July
2022 February

Memory Type

The type of memory used by this chip

DDR4
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes
No

Ryzen 9 3900X vs Core i5-12400F benchmarks

According to the hardwareDB Benchmark tool, the Ryzen 9 3900X is faster than the Core i5-12400F. Despite this, the Core i5-12400F has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 3900X has significantly more cores with 12 cores whereas the Core i5-12400F has 6 cores. It also has more threads than the Core i5-12400F. These CPUs have different clock speeds. Indeed, the Ryzen 9 3900X has a significantly higher clock speed compared to the Core i5-12400F. Also, the Ryzen 9 3900X has a slightly higher turbo speed. The Core i5-12400F outputs less heat than Ryzen 9 3900X 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 Ryzen 9 3900X has more threads than cores. Each physical core is split into multiple threads.

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