Like the RTX 2000 series before it, Nvidia's RTX 3000 cards include two types of proprietary cores: one pool dedicated to ray tracing, and the other dedicated to mathematical computation and juggling of Nvidia's own machine-learning models. That's not an equivalent comparison, I admit, but in terms of teraflop determination, both of those values are used. Otherwise, the spec showdown between AMD and Nvidia differs on a basis of compute units and clock speeds. AMD's RX 6000-series cards exceed 2.1GHz, ahead of the 1.7GHz range on the RTX 3000 series, while their stream processor counts pale compared to Nvidia's own CUDA core counts. Nvidia made its own funky wager: less of the same-specced VRAM (8GB) at its $4, and a little more (10GB) for its $6 though that's bumped to a blistering GDDR6X configuration. VRAM is the most obvious differentiator, with AMD getting a 16GB pool of GDDR6 VRAM into users' hands at every tier of this year's line. The breakdown between Nvidia's RTX 3000 series and AMD's RDNA 2 series sees each side emphasize certain specs. And either new AMD card might be your no-question champ if you're looking for VRAM-intensive workloads and 1440p gaming-and if you are unmoved by ray tracing. Across the board, Red Team's cards have speed to spare, with the $649 RX 6800XT in particular contending well against, if not outright surpassing, the $6. Should both sides be sold out for the rest of the year, of course, then picking through the differences may adjust how you set up on-sale notifications for GPUs in the next few months. If you're incredibly eager to upgrade to this tier and see anything in stock this year, outside of the worst resellers, close your eyes and buy. These cards are duking it out enough to give either side something in the way of future-proofed gaming performance at high-but-fair prices. Your best option for the rest of 2020, honestly, is whatever you can actually purchase at a reasonable retail price. With no clear indication that AMD will handle Radeon RX 6800 ($579) and Radeon RX 6800XT ($649) supplies any better than Nvidia and its RTX 3000 series, the verdict is a bit wacky. That's already good news for AMD's two new cards going on sale this week, since it has been years since the "Red Team" has been this competitive with Nvidia. In a more stable supply-and-demand universe, I'd be careful to warn buyers about the pros and cons of $500+ GPUs made by either manufacturer this year-each GPU has its own clear victories. This changes the tenor of any conversation about AMD's new RDNA 2 line of GPUs. But so far, its three RTX 3000 models have suffered from a mix of low supply and savvy scalpers scooping up such scant inventory. Nvidia had a go at it starting in September with the impressive RTX 3000 series, offering on-paper value that blew its RTX 2000 series straight into obsolescence. As 2020 draws to a close, the matter of "which new $500+ GPU is better" has become moot for most prospective PC gamers.
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