[H]ard|OCP have been examining the generational performance differences between GPUs, starting with NVIDIA and moving onto AMD.  In this review they compare Hawaii GCN 1.1, Fiji GCN 1.3 and Vega10 GCN 1.5 on a wide variety of games.  AMD is a more interesting case as they have made more frequent changes to their architecture, while at the same time tending towards mid-range performance as opposed to aiming for the high end of performance and pricing.  This has led to interesting results, with certain GCN versions offering more compelling upgrade paths than others.  Take a close look to see how AMD's GPUs have changed over the past five years.

"Wonder how much performance you are truly getting from GPU to GPU upgrade in games? We take GPUs from AMD and compare performance gained from 2013 to 2018. This is our AMD GPU Generational Performance Part 1 article focusing on the Radeon R9 290X, Radeon R9 390X, Radeon R9 Fury X, and Radeon RX Vega 64 in 14 games."

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