AMD Radeon R9 290
The Radeon R9 290 has a cheaper price than the Radeon R9 290X so the difference in performance makes sense. However, the ability of Radeon R9 290 alone can not be considered one eye. To run games with high frame rate and "right turn" graphics quality, the graphics card is still reliable. The producers are also racing to create their best Radeon R9 290 flagship with a number of ways such as adding clock specifications, changing the reference cooling system, and also the use of components that have higher durability.
Digital Alliance, one of the graphics card manufacturers who are senior enough not to liven up the market Radeon R9 290. Given the name of Digital Alliance R9 290 OC, the graphics card is definitely has a different specifkasi clock and cooling system with its reference version.