The render, leaked over at Videocardz.com, shows a smaller graphics card, possibly based on mini-ITX form-factor, which uses a center placed fan with a dual-slot heatsink design. It is worth mentioning that the leaked render looks a lot like the card previously showcased by AMD at the CES 2021 keynote.
According to earlier rumors, the AMD Radeon RX 6600 XT and the non-XT models should both be based on Navi 23 GPU with up to 8GB of GDDR6 memory, possibly with a 128-bit memory interface. The Radeon RX 6600 XT is expected to pack 2048 Stream Processors, while the non-XT version could end up with 1792 Stream Processors.
The Radeon RX 6700 XT, based on Navi 22 XT GPU, launched back in March, with $479 MSRP and selling at $800, so it is left to be seen what kind of MSRP we'll see for the RX 6600 series and at what price will it actually be available on the market.