What happens when you take an AMD Radeon R9 290X video card and disable four compute units, lower the core clock speed just a smidge and slash the price by $150 dollars? You end up with the lower cost AMD Radeon R9 290 graphics card. The new Radeon R9 290 features same exact Hawaii GPU that is found on the Radeon R9 290X and supports all the new stuff like AMD TrueAudio, Mantle, DirectX 11 and OpenGL 4.3. Read on to see how it performs!