Arcturus is not "big Navi," rather it seems to be much closer to Vega than to Navi, which makes perfect sense given its target market. AMD's Linux sources mention "It's because Arcturus has not 3D engine", which could hint at what AMD did with this chip: take Vega and remove all 3D raster graphics ability, which shaves a few billion transistors off the silicon, freeing up space for more CUs.Full details at TechPowerUp.
AMD Radeon Instinct MI100 with Arcturus GPU shows up
Posted on Monday, February 10 2020 @ 10:56 CET by Thomas De Maesschalck