R9 280X - 3GB GDDR5, $299, > 6800 in Firestrike
R9 270X - 2GB GDDR5, $199, > 5500 Firestrike
R7 260X - 2GB GDDR5, $139, > 3700 in Firestrike
R7 250 - 1GB GDDR5, < $89, > 2000 in 3DMark Firestrike