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Powercolor HD5770 Vortex 1GB Review

Rating: 9.0.

If you have been following the news and reviews lately you will have assuredly seen mention of nVidia's stellar new ‘mass market' Fermi card the GTX460 – KitGuru reviewed the overclocked eVGA version and it walked away with very high praise indeed. While it is capable of delivering a fantastic gaming experience it only costs around £175 and the upside of this is that ATI have been forced to reduce some of their own prices to help keep the market competitive.

This means that if you are in the market for a new graphics card and can't stretch to the GTX460 asking price then the card on review today might very well tickle your tastebuds. With the reference HD5770 on offer now for £130, there has never been a more affordable time to get into DX11 gaming.

The PowerColor Vortex is an overclocked HD5770 boasting higher core and memory speeds, with an interesting new high performance cooler which aims to not only lower temperatures but to reduce noise. It is also home to the world's first ‘movable fan' system – yes the fan can be moved in or out on a profile of around a centimeter. This serves to adjust the motion of airflow and should lead to operational temperature drops when compared with the reference solution.

“PowerColor offers an attractive option which features a brand-new cooling technology with additional factory overclocking,” said Ted Chen, CEO of TUL Corporation. “We never compromise – so here's the solution which can bring the ultimate gaming performance in a better cooling environment!”

The specifications of the video card are as one may expect from a customized solution. The graphics processing unit (GPU), for instance, operates at a clock speed of 900MHz (reference is 850mhz) and the 1GB of GDDR5 VRAM is set at 4,900 MHz effective (reference is 4.8ghz). The interface is still on a 128 bus. Furthermore, the model features 800 Stream processors and connects to video output devices via dual-DVI, HDMI and DisplayPort outputs. Obviously, DirectX 11 and all of ATI's proprietary technologies are fully supported.

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