Ultimately, memory capacity can be important, but it's only one facet of modern graphics cards. AMD's previous generation RX 6000-series offered 16GB on the top four SKUs ( RX 6950 XT, RX 6900 XT, RX 6800 XT, and RX 6800), true, but those aren't latest generation GPUs, and Nvidia's competing RTX 30-series offerings still generally managed to keep pace in rasterization games while offering superior ray tracing hardware and enhancements like DLSS - while also boosts AI performance in things like Stable Diffusion. There's also a lot more going on than just memory capacity, like cache sizes and other architectural features. Of course, we're still worried about where Nvidia might go with the future RTX 4060 and RTX 4050, which may end up with a 128-bit memory bus. which would then put AMD at 12GB on a hypothetical RX 7700 XT. 16GB on a hypothetical RX 7800 XT sounds about right. RTX 3090) and professional GPUs ( RTX 6000 Ada Generation).ĪMD's taunts also raise an important question: What exactly does AMD plan to do with lower tier RX 7000-series GPUs? It's at 20GB for the $800–$900 RX 7900 XT. With 2GB chips, that means Nvidia can only do up to 12GB - doubling that to 24GB is also possible, with memory in "clamshell" mode on both sides of the PCB, but that's an expensive approach that's generally only used in halo products (i.e. Much like AMD's Navi 22 that maxes out with a 192-bit 6-channel interface (see RX 6700 XT and RX 6750 XT), Nvidia's AD104 ( RTX 4070 Ti and the upcoming RTX 4070) supports up to a 192-bit bus. ![]() It's also worth pointing out that the options for VRAM capacities are directly tied with the size of the memory bus, or number of channels prefer. We won't know for sure how Nvidia's RTX 4070 performs against any of these GPUs until reviews go live, but AMD is making sure you know it's more generous with VRAM (though it doesn't seem to differentiate between the GDDR6 it's using against Nvidia's GDDR6X).
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