UL Releases 3DMark Test to Measure PCI Express Bandwidth

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UL has released its 3DMark PCI Express benchmark. The test contains a specific scenario with which the available bandwidth of a video card in a PCI-e slot can be measured. The test was released due to the arrival of pci-e 4.0 video cards.

UL itself admits that in current practical situations the PCI-e bandwidth is not a limiting factor, but the makers of 3DMark want to give an opportunity to measure the maximum achievable bandwidth of video cards. At the beginning of July, the AMD Radeon RX 5700 and RX 5700XT will be released, the first video cards to use the PCI-e 4.0 interface.

The new feature test in 3DMark is designed in such a way that the available bandwidth becomes the limiting factor. This is done by sending large amounts of vertex and texture data to the gpu for each frame. The goal is to send so much data that the pci-e 4.0 interface can become completely saturated. The resulting score is the average bandwidth achieved during the test.

According to UL, the new test is a way to compare different PCI Express generations. The bandwidth test is now available in 3DMark Advanced Edition and in 3DMark Professional Edition. The test works with video cards that are compatible with DirectX 12.

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