It appears that first confirmed gaming benchmarks of RX 480 have surfaced.

AMD Radeon RX 480 gaming benchmarks

Polish magazine called CD-Action shares some information about RX 480 performance in three games, Metro Light Light Redux, Witcher 3 and World of Tanks.

Średnie detale = Medium details

Bardzo wysokie detale = Very high details

According to the review, 5% overclocking causes severe artifacts in 3DMark, while 7% overclock causes system to freeze. Not a word about drivers uses though.

It’s interesting to see reference RX 480 review sample being compared to to highly customized ZOTAC AMP! Omega (clocked at 1304 MHz).

Source