Didn't really know the appropriate place for this as it has multiple things in one. So I'll just leave it here.
What happens when you try to use it WITHOUT a compatible card!
Credit to Joao for that link (friend with shitty PC)
Edit: Apparently new update allows for DVR support with 64bit Battlefield 4.
This german post claims that VCE eats 1/3-1/4th of the FPS of the game while shadowplay only eats 5%?
I don't think that's entirely accurate but it's hard to determine because I don't own an nvidia card.
Well I do... but it's a 7600gt (I think) that has a dead fan so... XD
Going to post comparison benchmarks tomorrow
MSI Afterburner has support for VCE without openencodevfw. I wonder how it compares to openencodevfw, mostly because it's probably more refined. I think I might test that too.