Intel QucikSync, AMD VCE) It uses resources of both CPU+iGPU and a built-in decoder. 100% CPU usage and heavy frame skipping.Ģ) Hardware decoding on CPU (e.g. I tried it once on my hexacore Xeon X5650 and it did not handle it well even w/ 4.2GHz overclock. There is no definitive answer to your question, because ATM there are several ways your computer can handle 4K decoding:ġ) Software decoding (that's what your C2D does, hence high CPU load). Is this common knowledge guys, or have I stumbled onto something interesting here? This to me proved conclusively that if you wish to play movies and content recorded at 4K, it's very heavily dependent on whether you have a fast enough CPU, as THAT is the bottleneck.no matter how powerful your GPU is, if you're CPU is not fast enough, it simply WILL NOT handle 4K content So I fired up my beast desktop with core i7 and repeated the same experiment using the EXACT same movie and my CPU went to 21% and didn't really move This is what I found, as soon as I hit play, the CPU usage shot up immediately to 89%, and then within seconds went to 96-99% and staid there, yet using GPU-Z my graphics card was hardly even being used here, it was the CPU that was maxed out
So I asked myself, what is causing that?, is it my CPU or my graphics card.so i pulled up task manager and used resource monitor to see what was going on I decided to test all my systems and rigs (ranging from weak old laptops to high end gaming desktops) in order to see how well it is able to play back video content at a resolution of 3840x2160įirst I tested my laptops with Intel core 2 Duo Processors in them (yeah I know, don't laugh!), and they could NOT handle play back of some test bench home video's recorded in Ultra HD, it was unwatchable, with lag being an understatement, it froze and it turned my movies into a slideshow moving at less than 1 fps lol I did an interesting experiment the other night
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