![]() ![]() ![]() None of the graphics cards available today need the full bandwidth offered by the PCI Express 4.0 x16 slots. The reason for that is that the graphics memory is many times faster than the system's RAM.ĪSRock AMD Radeon RX 5700 XT Taichi X 8G OC+ uses PCIe 4.0 And, even if/when it happens, once the textures have been transferred via the PCI Express interface from the system RAM and have been loaded into the graphics card's memory, they stay there. That's not supposed to happen often, as modern graphics cards have a lot of dedicated RAM of their own. The graphics card only has to use the PCI Express interface that connects it to the motherboard when it needs to communicate with the processor or load textures from the system memory (the computer's RAM). ![]() Besides the GPU clocks, that graphics memory is the most important thing for how many frames you get each second. ![]() When you are playing a game, the graphics card uses its dedicated RAM (GDDR) to hold the textures used for rendering the frames on the screen. Some people are asking an interesting question: Does the faster and newer PCI Express 4.0 specification positively affect the speed of the graphics card? The quick answer is no, it doesn't, and you do not get more frames per second! Here's why: AMD Radeon RX 5700 XT: a graphics card that supports PCI Express 4.0 How does PCI Express 4.0 affect the speed of your graphics card? ![]()
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