Nvidia has quietly introduced a new GeForce GTX 260 with an increased stream processor count that is destined to confuse customers. We take a look at BFG Tech's new GeForce GTX 260 OCX Maxcore to find out whether the additional stream processors help improve performance.

XFX recently introduced a new, supercharged 9600 GSO to combat AMD's assault on the mainstream market with the recently-launched Radeon HD 4670. We have a look at the XFX GeForce 9600 GSO 680M XXX Edition to find out how it compares in a market where value for money is everything.

AMD has announced the mainstream Radeon HD 4000 series - today, we look at the ATI Radeon HD 4670, the fastest of the new cards, to find out how it stacks up against the competition. Will AMD conquer the mainstream like it did the enthusiast sector? Let's find out...

We've seen the benchmarks and how ATI has comeback from nowhere to reclaim the mainstream performance crown, but what's behind this sudden change that makes the new HD 4000-series so compelling? We dive deep down inside to find out.

AMD has launched its latest high-end graphics card with a clear goal: to take the performance crown back from Nvidia. Does the ATI Radeon HD 4870 X2 succeed and achieve great things, or is there still a long road ahead for AMD? Read on to find out...

We've tested no less than 11 cards over 450 tests: Nvidia GeForce GTX 280, GTX 260, 9800 GX2, 9800 GTX, 9800 GTX+, 8800 GT and AMD Radeon HD 4870, 4850, 3870 X2 and 3870; to find out what Summer 2008's definitive graphics upgrade should be!