AMD silently improves the stock wraith prism LED cooler for R7 2700X / 3700X / 3800X / R9 3900X by adding two more copper heatpipes to four existing ones, doesn't tell anyone. :
AMD Wraith Prism RGB LED Lighting Socket AM4 4-Pin Connector CPU Cooler with Copper Core Base & Aluminum Heatsink & 4.13-Inch Fan - Newegg.com