At E3 (Electronic Entertainment Expo) 2016, which runs from June 14 to June 16 in Los Angeles, AMD showed a couple of affordable graphics cards based on new architecture Polaris.
If presented at Computex 2016, held from may 31 to June 4 in Taipei, the AMD Radeon RX 480 on a Polaris valued at $199, the Radeon RX Radeon RX 470 and 460 will be even cheaper, approximately $149 and $109, respectively. Specific details about the new adapter is not yet told.
At the moment the following is known. Radeon RX 470 GPU-based Polaris 10, and presumably got 4 GB of memory. Radeon RX 460 is a compact GPU-based Polaris 11.