AMD Volcanic Islands Radeon R9 and Radeon R7 GPU Family Officially Introduced - $89 - $299 GCN GPUs For Gamers
AMD R9 290X in 2019: Benchmark vs. RX 590, GTX, RTX, & More | GamersNexus - Gaming PC Builds & Hardware Benchmarks
Amazon.com: AMD Radeon R9 280X 3GB HDMI PCI Express Video Graphics Card for Apple Mac Pro, outperforms ATI Sapphire Radeon HD 2600, 4870, 5770, 7950, 9000, 9800 Gigabyte : Electronics