The AMD Radeon R9 290 features 2560 stream processors, up to a 947MHz engine clock, 4GB of GDDR5 video memory, up to a 5.0Gbps memory clock speed, 320GB/s maximum memory bandwidth, 4.85 TFLOPS single-precision compute power, and supports OpenGL 4.3 along with Mantle and DirectX 11.2. The Radeon R9 290 is shipping immediately for a $399 MSRP.
As with the original R9 290X launch, there's plenty of Microsoft Windows data available this morning but we have no idea how the Linux support for the Radeon R9 290 as AMD still isn't cooperating with Linux hardware review samples for their recent GPU launches. The recently released AMD Catalyst 13.11 Beta update for Linux added support for the R9 290X and likely supports the R9 290 too, otherwise a driver update should be imminent.
So sadly without being able to dig deeper into the Radeon R9 290 on Linux, head on over to the AMD press release if you want more details about the hardware itself.