Wraith Stealth/Spire/Max all have a RGB-LED (slide 20)
Synthetic Benchmarks Slide 33-36
Gaming Benchmarks Slide 38-42
There's also a slide that details the new Ryzen naming scheme. At the moment we've only seen the standard desktop chips and the high-performance chips with XFR, which have an "X" suffix. Future desktop CPU, APU and mobile releases may get the G, T, S, H, U or M suffix:
There's also a Ryzen delidding video on YouTube from der8auer, it shows AMD used an indium-based solder. So the lesson here is that delidding Ryzen is not necessary, there's little to be gained from it and the odds of breaking your CPU are very high.