The ASUS Strix Radeon R9 390X features ASUS' signature triple-fan DirectCU III to cool its Hawaii GPU.

The PowerColor Devil Radeon R9 390X combines a closed-loop water cooling solution with air-cooling for vastly improved cooling performance.

The MSI Radeon R9 390X utilizes MSI's dual-fan Twin Frozr V cooler to keep the rebranded Hawaii GPU cool. It features core and memory clock speed boosts over its predecessor.

The ASUS Strix Radeon R9 390X DirectCU III OC features a triple-fan cooler to help keep temperatures down. The Grenada XT GPU is a rebranded Hawaii XT core found on the Radeon R9 290X.