Graphics card round up March 2013

Sapphire enjoy their 3D rendered ladies and we aren't complaining. While we do like their artwork, a quality high resolution image of the video card itself would help showcase the lovely dual fan cooler within a retail store environment (yes, there still are a few of them open!).

The Sapphire HD7790 OC bundle is good. The company include power and video converters, a quality HDMI cable, literature and software discs.

The Sapphire HD7790 OC is an attractively designed discrete solution, built around a black PCB with dual fan cooler. The shroud may be plastic, but it looks great. It is a dual slot card and most of the hot air should be forced out the back of the chassis.

The HD7790 OC is Crossfire capable if you want to buy another card. Like all of these boards, it will only work in a dual card configuration. It requires a single 6 pin power connector.

The card has dual DVI connectors, an HDMI connector and a DisplayPort connector.

The Sapphire cooler is a modest dual heatpipe model, although they are thick pipes. They run into two separate racks of aluminum fins on either side of the core.

An overview of the Sapphire HD7790 OC Edition in GPUz. The Bonaire core is built on the 28nm manufacturing process. The core is running overclocked, at 1,075mhz and the memory is running at 1,600mhz (6.4Gbps effective). The 1GB of GDDR5 memory is running via a 128 bit interface. There are 896 unifed shaders on this card, which is a marked improvement over the HD7770. There are 16 ROPS and 56 TMU's onboard.

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