ASUS has upgraded the Vivobook Go series to AMD Ryzen 7000 Mendocino APUs, which should offer considerable performance upgrades over their Intel Jasper Lake-powered predecessors. ASUS even offers a 1080p OLED panel on the larger 15-inch edition.https://www.notebookcheck.net/ASUS-Vivobook-Go-14-and-Vivobook-Go-15-OLED-revealed-with-AMD-Ryzen-7000-Mendocino-APUs.690171.0.html
7520u according to acticle about it has hypertreading , so it significally more powerful then 7320u
No, both 7520U and 7320U have SMT ('hyperthreading), and the only difference is slightly higher clocks.