Both models
3900 and
5700U are based on
Zen 2 architecture.
Zen 2 is fabricated on the 7nm process from TSMC and it’s the third generation of Zen CPUs. It comes with 64kB of L1 cache and 512kB of L2 cache per core. Zen 2 CPUs are divided into 3 categories: Matisse (desktop), Rome (Server) and Castle Peak (high-end desktop).
Using the multithread performance as a reference, the 3900 gets a score of
687.5 k points while the 5700U gets
324.9 k points.
Summarizing, the
3900 is
2.1 times faster than the
5700U. To get a proper comparison between both models, take a look to the data shown below.