After a German enthusiast revealed the ability of some of graphics card Radeon R9 290 TUL and XFX production using BIOS firmware from the Radeon R9 290X to convert to the appropriate video card . A British store have established sale of modified cards that offer Radeon R9 290X performance level at a price slightly above Radeon R9 290. Associate based on existing sampling would argue that to a certain point almost 100% of graphics cards Radeon R9 290 XFX, PowerColor, VTX3D and Club3D brands successfully included all stream processors after BIOS firmware from Radeon R9 290X.
Marking on the GPU type 215-0852000 clearly indicates the use of the crystal for a full Radeon R9 290X, which for obvious reasons was soft command to lock the extra modules. Note that the original Radeon R9 290 species have markings 215-0852020, they lock provides extra stream processors at the hardware level.
However, the released after the 38th week of this year's GPU Radeon R9 290X does not permit the inclusion of all functional modules, if they are found on video cards Radeon R9 290 model.