the 1800(max) DPI is to slow to me at games.
the naos and g500 got same performance?
Or..you have EXTRA-FULL-READY 200000x20000 screen-resolution.
tl;dr - stay with Deathadder / buy PureTrak Valor.
and CPI is useless, you can just set nice feeling Cpi for desktop and set it all high up in the sensitivity of the game you play.