Those who were able to buy one of the new RTX 3060 graphics cards yesterday now has access to the company’s lawaited Resizable BAR support, what it is the feature that PC users can activate at the BIOS level to allow the CPU and GPU to talk directly to each other. This is very important, because instantly helps to increase the frame rates of the game.
Support for this feature released with the latest Nvidia driver update yesterday, but affects only the RTX 3060 at that time. Nvidia said Resizable BAR support for the rest of the 30 series team will come in late March.
However, as AMD intelligent access memory (SAM), which is just another way of saying resizable BAR, compatibility is limited to specific CPUs and motherboards. No everybody with a RTX 3060 will be able to enable the feature yet.
At the moment, Nvidia’s resize BAR is only compatible with AMD 500 series and AMD 400 series chipsets on motherboards with AMD Zen 3 Ryzen 5000 series CPU support. In addition, you will need an AMD Ryzen 5000 series processor for use the resizable BAR with an Nvidia video card. It is not compatible with older AMD processors at this time.
On the Intel side, compatibility includes 400 series chipsets, as well as all 11th generation chipsets available from February 25th.. However, because Nvidia has worked closely with Intel to obtain up and running, it seems likely that the RESizable BAR will be ready to work whenever Intel launches its 11th generation desktop CPUs and the next generation of chipset; Nvidia lists the 11th generation Core i9, i7 and i5 as compatible, as well as the 10th generation Core i9, i7, i5 and i3 CPUs.
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The resizable BAR will also be compatible with motherboards from all major manufacturerss, including Asus, ASRock, Colorful, EVGA, Gigabyte and MSI. Nvidia did not say which ones specifically, but each manufacturer would have more information on its websites. Considering that 400 series chipsets are compatible, all 400 series motherboards must also be compatible (Z490, H470, B460 and H410), but each manufacturer may decide to enable it only on some models. It is always better to check again!
I wouldn’t hold your breath for Resizable bar to come for Intel 300 series chipsets coming soon. This chipset, which supports 8th and 9th generation CPUs, will end his life in January 2022, so Intel is likely not to focus on compatibility for that generation.
The RTX 30 series gaming laptops also support resizable bar with Intel and AMD processors. Again, you will need to check with the laptop manufacturer to see if it is compatible with a particular model. THE MSI GP66 Leopard, for example, supports you.
But even if your PC checks all of these boxes, you will not see an increase in the frame rate in all games, as is the case with AMD SAM. There are currently only a handful of games that support resizable BAR with Nvidia GPU, which include Assassin’s Creed Valhalla, Borderlands 3, Metro Exodus, and many others.
As always, don’t forget to update your drivers, BIOS and VBIOS to make this new feature really work on your compatible PC.