This video explains, like many other that I've seen.
HTC Amaze 4G (T-Mobile) 1080p HD video sample - YouTube
HTC EVO 4G LTE
HTC EVO 4G LTE Sample Video - YouTube
There's a HUGE difference, even going back to the Original Evo and the Evo 3D. Check it out. If you upload a video to prove it, please do. I really want this phone but if the mic pops so bad its downright terrible.