Quick Links
Your GPU isn’t the only component involved in drawing graphics on your screen.
That naturally raises the question of why the CPU is involved with the GPU in the first place.
The two types of processors are good at different things.
Maryia_K/Shutterstock.com
This has never been a problem until quite recently.
After all, it took many years for GPUs to even have that much memory in total.
Related:What Is Ray Tracing?
NVIDIA
That’s where SAM or Resizable BAR comes into the picture, literally.
Resizable BAR Requirements
So far, this feature sounds great, but who can actually use it?
The truth is that resizable BAR is actually a feature ofthe PCIe standard.
That’s the GPU protocol to communicate with the rest of the computer.
All three components must support resizable BAR or SAM.
Related:PCIe 6.0: What’s New, and When Can You Get It?
Intel 10th generation CPUs and newer support resizable BAR, as do Zen 3 and newer AMD Ryzen CPUs.
For 10th-generation Intel CPUs, onlyselect chipsetsare supported, but all 11th-gen or newer chipsets should be supported.
You’ll need a 30-series NVIDIA card; most of them are ready to go out of the box.
Does Resizeable BAR Make a Difference?
Right now, it doesn’t seem that this feature makes much difference regarding real-world game performance.
If resizable BAR causes any serious issues for you, you could just toggle it off in the BIOS.
Related:How to Identify Your Graphics Card (GPU) in Windows 11
