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February 26, 2021 03:05 am GMT

(PR) NVIDIA Confirms Resizable BAR Support on RTX 30 Series

Our initial support for "Resizable BAR" is available now for GeForce RTX 3060 desktop graphics cards and GeForce RTX 30 Series laptops. Utilizing an advanced feature of PCI Express, Resizable BAR can increase performance in certain games. Support for other desktop GPUs will follow in late March. Resizable BAR is an optional PCI Express interface technology. As you move through a world in a game, GPU memory (VRAM) constantly transfers textures, shaders and geometry via many small CPU to GPU transfers. With the ever-growing size of modern game assets, this results in a lot of transfers. Using Resizable BAR, assets can instead be requested as-needed and sent in full, so the CPU can efficiently access the entire frame buffer. And if multiple requests are made, transfers can occur concurrently, rather than queuing.

GeForce RTX 30 Series laptops with Resizable BAR-capable Intel and AMD CPUs are available now. Check with each laptop manufacturer to discover if Resizable BAR is supported on a particular model. For desktops, you will need a compatible CPU, compatible motherboard, motherboard SBIOS update, GPU VBIOS update (the GeForce RTX 3060 already ships with the necessary BIOS) and new GeForce Game Ready driver to enable Resizable BAR.

Original Link: https://www.techpowerup.com/279005/nvidia-confirms-resizable-bar-support-on-rtx-30-series

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