![]() ![]() In the meantime, current high-end PC games report certain amounts of VRAM usage, and typical system utilities report the allocation that games demand from a GPU, as opposed to the actual MB-by-MB breakdown of what is and isn't being used. And there's an argument to be made about the RTX 3080 having much faster VRAM than AMD's latest rivals-though the above test results don't show that pool of GDDR6X memory giving that card a clear lead. So, too, do tricks like VRS, which reduce the burden of exactly how much texture data is being streamed onto your screen at any given moment. If your PC's on-board solid-state memory can in any way work as figurative RAM, particularly when clocked at PCI-e 4.0 rates-much like the PS5 and Xbox Series are doing-then that takes VRAM anxiety out of the equation somewhat. though we've yet to see this functionality in PC gaming (even though it's marked as an officially supported offshoot of DirectX 12 Ultimate's DirectStorage API). That doesn't work exactly the same as AMD's Infinity Cache feature, but both relieve pressure on dumping data into VRAM. Nvidia has talked quite a bit about its RTX I/O system, designed to supercharge data throughput in ways that remove CPU bottlenecks and drive more crucial GPU data directly to where it's supposed to go. Its 4K benchmark results are right there with the RX 6800, exceeding that price-to-performance comparison.ĭoes that mean buying a GPU in the 8GB to 10GB VRAM range is a fine bet in the short term? Honestly, we're not sure. The $4 barely clears that threshold, but admittedly, it doesn't struggle with Gears 5 as a result. ![]() As of press time, debates have raged about whether a massive VRAM pool is a difference maker for next-gen 3D games and applications, particularly since Nvidia's comparable 2020 cards have opted for lower amounts.Īs an example, Gears 5, which launched in 2019 with an optional 4K texture pack, tells users that it needs no less than 8GB of VRAM to toggle those higher-res textures. (Rage Mode doesn't require such a click-through, which might be why it has so little impact on perf.)ĪMD's other avenue to guaranteeing the future of its RX 6000 series is its generous VRAM pool, which currently clocks in at 16GB of GDDR6 memory for every GPU. In my testing, I found I could carve an additional 0-2 frames per second across the board by toggling the automatic VRAM overclock setting for both cards, though AMD makes you click through a somewhat scary agreement before its built-in tools open up for such tweaking. On the other hand, both the 68XT can be tweaked with either manual or automatic touches to things like core clocks, memory clocks, and voltage. Enlarge / Though AMD advertises a built-in feature called "Rage Mode" for its RX 6800XT, meant to ramp up fans and emphasize boost clocks across the board while gaming, I found this mode didn't affect performance. ![]()
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