How fast does a F23 go?
All in all, the YF-23 could achieve a top speed of approximately Mach 2 (or about 1,522 miles per hour). In comparison, the YF-22 competitor achieved Mach 1. F-35: Speed. When it comes to speed alone, the F-22 takes the cake, coming in with a top speed of about Mach 2. This is compared to the F-35’s Mach 1.