i7 2700k, is it worth an upgrade?

[WhereHere1]

ok so I have an i7 2700k overclocked (I've forgot what to).

So how much better is the newer generation of i7's?

On performance where abouts would mine sit? Still at i7 performance or more like an i5 or i3??

 

[WhereHere1]

So my cpu is 2700k, gpu is the watercooled msi 1080. My monitor is a 1080 ultrawide at 144hz