The Radeon HD 5000 series started off with the high-end HD 5870 and HD 5850. The HD 5770 and HD 5750 followed and the colossal HD 5970 was announced soon after – all in a span of two months (September and October 2009). AMD then took a short hiatus and returned with the HD 5670 and HD 5450 in the first two months of 2010. The HD 5000 series now looks more or less complete with offerings for all segments—entry-level, mainstream, high-end and enthusiast.

This month the first HD 5670 graphics card made it to our Test Center and it was the Asus EAH5670. The Radeon HD 5670 has 400 stream processors and a core speed of 775 MHz with 1000 MHz GDDR5 memory. It’s a notch below the HD 5750 which has 720 stream processors and runs at 700 MHz.

The reference design of the HD 5670 features a single slot design but Asus has opted for their own design featuring a custom dual-slot cooler. The finned aluminum heatsink sports a unique design for better heat dissipation—it is 3 inches wide at the base and the top layer is wider by 1.5 inch. A 75 mm fan is clipped on to the top layer.

Like the high-end models of the HD 5000 series, the HD 5670 too comes in Eyefinity and non-Eyefinity variants. The former offers three digital video outputs (DisplayPort, HDMI and DVI) for triple monitor setup and the latter offers two digital outputs and an analog output (HDMI, DVI and D-sub). The Asus EAH5670 is a non-Eyefinity card and doesn’t come with any dongle or free game. The package has just the driver disc, multi-lingual manual disc and setup guide.__STARTQUOTE__ I think it’s safe to say that on an average the HD 5670 is 60 percent faster than GT 240.__ENDQUOTE__Performance
The test rig I used was an Intel Core i5-661, 4 GB Corsair XMS3 RAM (1600 MHz) and Intel X25M SSD running on the Intel DH55TC motherboard.

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