AMD Radeon RX 590 Linux Benchmarks, 18-Way NVIDIA/AMD Gaming Comparison
Here's a look at the performance-per-dollar based upon the current US Internet retail pricing of the graphics cards tested.
It's on the value front where at least the current AMD Radeon graphics cards can compete (and outperform) NVIDIA.
The Radeon RX 590 performance-per-dollar is behind the RX 580 due to the pricing premium on these new 12nm Polaris cards, but still was ahead of the NVIDIA cards.