Wccftech published a review on the Intel Z790 Motherboard MEGA
A quote from the article:
Today, we are taking a look at a range of Z790 motherboards that are optimized for Intel's brand new 13th Gen Raptor Lake CPUs that come with an enhanced 10nm ESF (officially the Intel 7 process, which is comparable to TSMC 7nm) process node, offering higher performance clock speeds.Intel Z790 Motherboard MEGA Review