3570 is ideal for low cost and low power transcoding
My server is 3.0 dual core and its a dog at that. I3 or lower suck for transcoding or dumping off duties.
The importance of this comes down to how you want to use it
If your just...
If you stream from a server and not locally (like a real pro ) then the debate how fast a HDD is or if cache SSD improves doesn't matter since you LAN network speed is 125MB sec, and slower than most HDDs.
At giga speed I'm sure you...
The fix might be on your TV. Do you have an input or setting for PC ?
Otherwise play in the intel graphic properties. Change resolution to something the TV handles like 720p. Make sure edge masking and overscan are disabled