AMD Ryzen 9 3900X vs AMD EPYC 7402P

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD EPYC 7002 Series 24 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

101 %
103 %
1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

99 %
79% significantly better gaming score
55 %

Multitasking Score

Performance in workloads using up to 8 cores

101 %
122 %
20% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

101 %
133 %
31% slightly better heavy workload score

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Number of physical processing units

100% significantly more cores


Number of logical processing units

100% significantly more threads

Clock Speed

Base frequency at which the chip operates

4 GHz
35% slightly higher clock speed
3 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
37% slightly higher turbo speed
3 GHz


Thermal Design Power: Measure of heat generated by the CPU

105 W
71% significantly lower TDP
180 W

Memory Channels

Lanes for simultaneous memory access

300% significantly more memory channels

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
2,304 KiB
200% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
12 MiB
100% significantly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
128 MiB
100% significantly more L3 cache

Other details


Ranking in the hardwareDB database

48th of 1,326
39th of 1,326


The product line

Ryzen 9 Desktop
EPYC 7002 Series

Release date

The official date of release of this chip

July 2019
August 2019

Memory Type

The type of memory used by this chip


Is Unlocked

Can this CPU can be overclocked


Ryzen 9 3900X vs EPYC 7402P specs and performance

According to the hardwareDB Benchmark tool, the EPYC 7402P is faster than the Ryzen 9 3900X. Despite this, the Ryzen 9 3900X has the advantage in our gaming benchmark.

With info from our database, we find that the EPYC 7402P has significantly more cores with 12 whereas the Ryzen 9 3900X has 24. It also has more threads than the Ryzen 9 3900X. These CPUs have different clock speeds. Indeed, the Ryzen 9 3900X has a slightly higher clock speed compared to the EPYC 7402P. Also, the Ryzen 9 3900X has a slightly higher turbo speed. A Ryzen 9 3900X CPU outputs less heat than a EPYC 7402P CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the EPYC 7402P has more L2 cache than the Ryzen 9 3900X. The EPYC 7402P also has significantly more L3 cache.

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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