&gt; But even a not-quite 8 year old Penryn system with 4GB of RAM and an SSD is going to chug and chug on today&#x27;s websites. The same site is pretty decent on a recent i3&#x2F;i5 but it&#x27;s painful to use those older C2D systems these days.<p>A modern Core i3 is approximately twice as fast as Core 2 Duo per clock per thread. You can certainly notice the difference, but there aren&#x27;t a lot of things you can reasonably do with one but not the other.<p>The real problem is a lot of today&#x27;s websites are so miserable they&#x27;ll even choke the Core i3.