The next generation of high performance memory should impress customers with its higher clock frequencies and other technical improvements that allow for an increased efficiency and better overclocking. PNY predicts that it will take two years until DDR5 overtakes DDR4 in terms of popularity, which makes it likely that this first generation of DDR5 memory will be especially geared towards gamers and enthusiasts.
https://www.notebookcheck.net/4800MHz-clock-frequency-PNY-announces-cutting-edge-DDR5-desktop-memory-for-gamers.555963.0.html
Mhz is not MT
5100 MT/s DDR4 RAM exists so, 4800 is NOT CUTTING EDGE