I was so excited about this new feature AMD has offered at first launch. This is a feature that I was waiting for about three months. But it didn't perform that good, at least from my expectations.
First problem that I faced is continuous FPS drop when I enabled Instant Replay.
I don't know what's causing this, my CPU usage is around 70-80% when I was enabled Instant Replay and playing CS:GO. I capped my FPS to 120 and stable around 100-119.
Second, audio is soooo slow. I've recorded several videos with several settings and the result is the same. One example that I still keep is a file with 6 secs video duration, but with 22 secs audio stream. I'm so sure something has to be done with ReLive audio encoder. It's so painful to live stream with this.
I hope AMD devs fixed these issues ASAP. I'm so happy with video quality it has and it doesn't give a noticeable impact on my FPS (if FPS drop fixed).
CPU: Phenom II X4 955 @3.6GHz
GPU: HIS HD 7790