A UserBenchmark record featuring an "AMD Pulsar M200502" processor has recently been discovered, curiously as a part of a Dell G3 laptop. There was some speculation that this could possibly be a new Ryzen 4000 engineering sample going through preliminary testing, but the truth is much more prosaic. All the evidence points to an Intel chip in disguise.
https://www.notebookcheck.net/Discovery-of-an-AMD-Pulsar-M200502-in-a-Dell-G3-laptop-leads-to-new-Ryzen-4000-APU-speculation-but-it-s-actually-an-old-Intel-chip-in-disguise.463600.0.html