4*RX 480, Claymore 8.0, intensity 5.
Is it fine enough hashrate for these settings or i need to tune up something?

Romed? i have 183 h\s avg. 76Watt on rx 480 ref... Pls link yours rom

бpaтaн)
Sure. But my ROM is for Sapphire RX 480 Nitro+ OC 8GB (11260-01-20G) cards with Samsung memchips.
You can find it on my thread
here. (Jukebox there - it's me).