That said, it may take a while for PCIe bandwidth to become a limiting factor with some games.Įnabling Resizable Bar on an ASUS motherboard This technology will allow CPUs and graphics cards to benefit from the bandwidth offered through PCIe 4.0, as increased GPU memory access will undoubtedly result in increased bandwidth utilisation. Thanks to this access, AMD users can benefit from increased game performance within existing titles, and developers can exploit this access for further performance gains with future game releases. With AMD's Smart Memory Access technology, AMD is granting their CPUs access to the entirety of the RX 6000 series' frame buffer. Since then, GPU memory sizes have exploded, with AMD's Radeon high-end RX 6000 series of graphics cards featuring a whopping 16GB of GDDR6 memory. Contents - Assassin's Creed Valhalla - Day's Gone - Forza Horizon 4 - Gears 5 - Microsoft Flight Simulator - Resident Evil Village - The Witcher 3: The Wild Hunt - Watch Dogs Legion - Conclusion - Is Reliable Bar/Smart Access Memory worth it?īefore now, CPUs had access to 256MB of GPU memory, an allocation size which made a lot of sense in the early 2000s. We will be testing a variety of popular titles, which are listed below. To do this we will be retesting a Radeon RX 5700 XT on our Ryzen 3950X-based games test system. Today, we are testing this new resizable BAR implementation to see how well it works on AMD's RX 5000 series graphics cards. Better still, unlike Nvidia's RTX 30 series, this Resizable BAR update doesn't require a graphics card VBIOS update to function. With Smart Access Memory, compatible processors and motherboards, AMD's RX 5000 series graphics cards can now this formerly RX 6000 series GPU feature, enabling significant performance gains in some titles. With AMD's latest drivers, RX 5000 series GPU users can now utilise AMD's Smart Access Memory feature, AMD's optimised implementation of Resizable BAR. Last week, AMD released their Radeon Software 21.9.1 driver for Windows OS', delivering users of the company's Radeon RX 5000 series GPUs a welcome performance upgrade.
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