Which one of the central processing units is better: AMD A6-5400B or AMD Ryzen 9 3900X? On this page we compare the technical data and benchmark results of different CPUs.
The AMD A6-5400B has 2 cores and 2 threads with maximum working frequency of 3.80 GHz. The AMD A6-5400B was released on Q3/2012.
The AMD Ryzen 9 3900X has 12 cores with 2 threads and 3.80 GHz of frequency. The AMD Ryzen 9 3900X was released on Q3/2019.
Reasons to consider 
105 W
Reasons to consider
3.60 GHz
2
3.80 GHz
AMD A6-5400B
Let's find out which one of AMD A6-5400B and AMD Ryzen 9 3900X is of a more recent generation, and what segment it belongs to.
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