Seeing that the Radeon HD 5670 was remarkably faster than its predecessor - the Radeon HD 4670 - and that it also comprehensively beat
NVIDIA's competing GeForce GT 240, we think it's fair to say that the new Radeon HD 5670 performs very well and up to our expectations. More impressive was the fact that it could (at times) match up to the
GeForce 9800 GT, a very popular choice amongst mainstream users. The only downside to the new Redwood XT chip is that it seemed to exhibit some difficulty tackling anti-aliasing on very high resolutions, but that's not much of a problem considering that this series of cards weren't meant for such high resolution gaming.
ATI Radeon HD 5670 - The New Mainstream Warrior :: Articles :: www.hardwarezone.com
If it is priced within 3.5k-4k then its a good deal.