All this talk about Big Navi and Ampere and I'm still stuck with my grandfather's Polaris cards because AMD and Nvidia budget options saw literally no improvement in the past few years. :
AMD Radeon RX 480 Polaris 10 Features 2304 Cores, Radeon RX 460 Polaris 11 Features 1024 Cores - 2.8x Increase in Perf/Watt
AMD throws down the GPU gauntlet with new 4th-gen "Polaris" - PC World Australia