Sponsor: Crucial DDR5 Memory https://geni.us/XKQaQ This video will cover AMD's RX 7900 XTX and 7900 XT GPUs as they approach their release date of December 13, 2022, and will go over the company's architectural high points as it positions to compete with NVIDIA and the RTX 4080. The RX 7900 XTX is a chiplet-based (MCM) GPU with GCDs and MCDs -- one GCD (the die containing the graphics logic itself) and multiple MCDs (memory cache dies) forming the GPU. We'll talk about ray tracing on RDNA3 / 7900 GPUs, geometry culling, ray culling, compute unit design updates, cooler and thermal design, and more. Watch our video about the cooler design of the 7900 XTX and its unique feature: https://www.youtube.com/watch?v=8eSzDVavC-U The best way to support our work is through our store: https://store.gamersnexus.net/ Like our content? Please consider becoming our Patron to support us: http://www.patreon.com/gamersnexus TIMESTAMPS 00:00 - AMD RDNA3 GPUs (RX 7900 XTX & RX 7900 XT) 00:57 - Architecture Video Overview & Goals 01:38 - Terminology, Layout, & Chiplets 05:41 - AMD Primitive Geometry Improvements 10:10 - Compute Unit Design 11:50 - AMD RDNA3 Cache System 15:12 - Ray Tracing on AMD RDNA3 15:52 - Chiplet Design Benefits & Latency 18:40 - Cost & Engineering Limitations 21:58 - RX 7900 XTX PCB Layout Basics 25:30 - Cooler Design, Thermal Interface, & Vapor Chambers 26:16 - AMD's Improved Drivers & Software Updates 31:42 - Trying to get Partners to Build Quality ** Please like, comment, and subscribe for more! ** Links to Amazon and Newegg are typically monetized on our channel (affiliate links) and may return a commission of sales to us from the retailer. This is unrelated to the product manufacturer. Any advertisements or sponsorships are disclosed within the video ("this video is brought to you by") and above the fold in the description. We do not ever produce paid content or "sponsored content" (meaning that the content is our idea and is not funded externally aside from whatever ad placement is in the beginning) and we do not ever charge manufacturers for coverage. Follow us in these locations for more gaming and hardware updates: t: http://www.twitter.com/gamersnexus f: http://www.facebook.com/gamersnexus w: http://www.gamersnexus.net/ Steve Burke: Host, Writing Jeremy Clayton: Writing Vitalii Makhnovets: Editing Mike Gaglione: Editing