Intel Ultra 270k plus iGPU Hardware Decoding Poor Performance

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Intel Ultra 270k plus iGPU Hardware Decoding Poor Performance

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Hello everyone!

When I try to watch 4K videos in a browser (YouTube or other streaming sites), playback is extremely laggy, unless I lower my memory frequency to 5600 MHz.

I am using the latest Intel display driver and the latest F21a BIOS (April 2026) for my Gigabyte AORUS Z890M ELITE motherboard. My OS is Windows 11 25H2.

Why is Intel hardware video decoding so slow?

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