The two leaked cards are part of EVGA's XC-series that comes with improved cooling systems with dual HDB fans, extra heatsinks, metal backplates and RGB lighting. While the RTX 2070 SUPER model features higher boosts clocks, the RTX 2060 SUPER card gets a clock downgrade due to it having more cores and faster GDDR6 memory than the original version.
https://www.notebookcheck.net/EVGA-Nvidia-GeForce-RTX-2070-SUPER-XC-and-GeForce-RTX-2060-SUPER-XC-Ultra-specs-leaked-on-Amazon.426569.0.html