The ASUS EAH5670 has a bright red PCB and on it is a fairly sizable dual-slot cooler. The cooler employs a dust-free fan design, which ASUS claims is able to prolong lifespan by up to 25%. Despite the custom cooler, the ASUS EAH5670 sports reference clock speeds, which means 775MHz at the core and 4000MHz DDR at the memory. Additionally, the ASUS EAH5670 sports 1GB of GDDR5 memory, which should help give it the edge when we enabled anti-aliasing.
On top of all this, the card also comes bundled with the usual ASUS Smart Doctor and GamerOSD overclocking utilities.
The Gigabyte HD 5670 is distinguished by its extravagantly designed (but somehow tacky) dual-slot cooler and also its slightly higher clocks - 785MHz at the core and 4000MHz DDR at the memory, to be precise. And like the ASUS EAH5670, the Gigabyte HD 5670 comes with 1GB of GDDR5 memory.
Signs of HIS DNA are immediately apparent once you lay eyes on the HIS Radeon HD 5670 IceQ. The cooler is unmistakably an IceQ cooler, and we've had great results with it when reviewing HIS cards in the past. Despite the formidable cooler, HIS has decided to play it safe and have chosen to go with ATI's reference clock speeds, which is unexciting, to say the least. The HIS card comes with only 512MB of framebuffer, and it'll be interesting to see if this will affect its performance later.