I swear the newest 18.3.4 driver for my HD7870 lowered the performance. I cant seem to find the older version before adrenaline to reinstall. Can anyone help? It was running assassins creed origins max settings and full hd res perfectly fine before but now seems lagy af.
http://support.amd.com/en-us/download
Choose OS from driver group,
On that (next) page, link to 'download previous....' on right side.