We put every current model from ATI and NVIDIA through its paces to find out which offers the best performance and value.

It’s incredibly powerful, but recent releases offer similar performance for significantly less money.

A popular and fast top-end option, but it’s losing its grip to new competition from both sides.

Superseded by both Nvidia’s new 9600 card and ATi’s excellent HD 3800 series

Hugely powerful for such a reasonable price, it’s far more appealing than a GTX or an Ultra

Poor performer but worth a look if building a media centre.

Great performance at an appealing price, although the 9600 GT encroaches on its turf

Takes the crown as today’s fastest graphics architecture, but you’ll have to pay for it

All the current chipsets from both the big gaming guns – ATi and Nvidia – tested, reviewed and rated.

A stunning way to enjoy HD DVD, but the wonderful design and features come at a price

Plus, how we work out the ratings.

A great set of features and plenty of power, but the price is very high for this ultraportable.

Fast, stylish and crammed with features, but you’ll need a fat wallet to afford it

A great media-centre card with some nice features – and at an affordable price