I'm having issues with my graphics card playing anything off Netflix. Having either the Netflix Windows 10 app or Browser app causes this issue.
Basically, the whole computer lags/stutters every 3 to 5 seconds, simply by having a video open. The video doesn't even need to be playing or loading. I'll get the lag purely due to the presence of a video.
How do I know that it's the graphics card?
I've used this same card in two different systems, and both experienced this issue.
First system was an i7 4790k, 16gb ram running Windows 10 with an Intel SSD.
My current system is an i7 7700k, 32gb ram running Windows 10 on a Samsung 850 Evo.
I'm running the latest version of the driver (17.11.1).