The XFX Rs XXX Edition Rx 570 4GB OC bears most of the RX 470’s specifications but is based on a slightly more mature 14nm fab process allowing for higher core and boost speeds and shares the same basic core. AMD did rename the Ellesmere PRO core to Polaris 20 XL but it’s the same 232mm² DIE size, same 5,700 million transistors and keeps it’s 2048 shaders and 4 GB GDDR5. The biggest difference is, of course, the faster core speed on the more mature fab process giving up to a 9% boost in speed.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips