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NVIDIA GeForce resizable BAR has passed EVGA RTX 3060 XC black test



About a month ago, NVIDIA announced that it would provide Resizable BAR support for their RTX 30 series laptop components and desktop RTX 30 series, and did this through the GeForce Game Ready driver 461

.72. But currently, it is only limited by the supported mobile SKUs and the single desktop component RTX 3060.

In short, the resizable BAR removes the strict limit on the amount of data that can flow between the CPU and GPU memory, and can sometimes significantly improve performance. When you pair Ryzen 5000 series CPUs and 500 series chipsets with RX 6000 series GPUs, when AMD implements smart memory access, the resizable BAR becomes more and more popular and recognized. The biggest difference between AMD’s implementation and NVIDIA is that NVIDIA’s support for ReBAR (resizable BAR) is its support on more platforms.

NVIDIA GeForce RTX 3060 12 GB $329 US graphics card is now officially on sale, buy it here!

In fact, NVIDIA has extended support for ReBAR to the PCIe Gen 3.0 platform by supporting Intel’s 10th generation Core series CPUs and 400 series chipsets. Interestingly, AMD’s CPU support only includes the Zen 3 Ryzen 5000 series, which shows that there are indeed many functions, not just toggle switches, but as long as the BIOS supports them, they even support 400 series chipset motherboards.

Test setup

Test system

ingredient X570
CPU Ryzen 9 5900X (spot)
memory 32GB Hyper X Predator DDR4 3600
motherboard ASUS TUF Gaming X570 Plus-WiFi
Store TeamGroup Cardea 1TB NVMe PCIe 4.0
Power Supplier Cooler Master V1200 Platinum
Windows version The latest version of Windows at the time of testing
Hardware accelerated GPU scheduling If the GPU and driver support it, turn it on.

One of NVIDIA’s interesting moves to increase Resizable-BAR support is that they are choosing which games to support, and these drivers are done through drivers. why do you ask? Very good, for example in the “hardware unboxing” test, we have seen that AMD’s Smart Access Memory implementation may sometimes not bring performance advantages or even performance degradation. Currently, the list is quite limited, but as we see support expand to other cards, the list is expected to grow rapidly. The supported games are;

NVIDIA GeForce Game Ready 461.72 WHQL driver introduces RTX 3060 support, DLSS support for Nioh 2, Mount & Blade II: Bannerlord, etc.

  • Assassin’s Creed Valhalla
  • Battlefield 5
  • Borderlands 3
  • Forza Motorsport: Horizon 4
  • Gear 5
  • Metro Exodus
  • Red Dead Redemption 2
  • Watchdogs: Legion

RTX 3060 12GB resizable BAR 1440p results







in conclusion

It may seem strange that NVIDIA limited game support at launch, but it does seem to be seeking to provide support for games that only benefit from this feature. In our results, we found that the performance has increased by 4-11%, and the frequency that is usually overweight can’t even be achieved. This is a gratifying result, and it will be updated through the driver and the game will be whitelisted, which means you don’t have to worry about the performance degradation of the game due to the resizable bar feature enabled in the BIOS.

Support for Resizable BAR on high-end cards will obviously be very attractive, but at this price level (although it is a bad time now), the affordable price segment is what really shakes this technology. The combination of resizable BAR, grid shader, VRS and even DLSS can really change expectations for mid-range products. When the dust settles, I feel that things like smart memory access and resizable BARs will need to be shown in performance comparisons, because they are usually too large for those buyers to ignore.

Nowadays, as all GPUs compatible with DX12 Ultimate have all the excellent new features, in-depth research on performance in the field of graphics cards is becoming more and more complicated. As long as we can actually buy them, it will become very Exciting.




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