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Sounds like Notbooks are making a dent: AMD says it's shipped five million Fusion processors since the architecture's debut, according to a report at  CNET . In January, the company said the hybrid CPU / GPU chips had momentum, and as of last month it was quoting 3.9 million APUs out in the wild, but this week AMD says that demand has overtaken supply and it's completely sold out of the Atom alternative. Sounds like Intel's more than justified in seeking out hybrid solutions of its own, no matter where it might have to look to get a leg up in the integrated graphics market. Here's hoping AMD's other Fusionchips show just as much pep per penny (and milliampere-hour) as the original processor. CNET

NVIDIA may be kicking all kinds of tail on the mobile front with its ubiquitous Tegra 2 chipset, but back on its home turf of laptop and desktop graphics, things aren't looking so hot. The latest figures from Jon Peddie Research show that the GPU giant has lost 2.5 percentage points of its market share and now accounts for exactly a fifth of graphics chips sold on x86 devices. That's a hefty drop from last year's 28.4 percent slice, and looks to have been driven primarily by sales of cheaper integrated GPUs, such as those found inside Intel's Clarkdale, Arrandale, and most recently, Sandy Bridge processors. AMD's introduction of Fusion APUs that combine general and graphics processing into one has also boosted its fortunes, resulting in 13.3 percent growth in sales relative to the previous quarter and a 15.4 percent increase year-on-year. Of course, the real profits are to be made in the discrete graphics card market, where NVIDIA remains highly competitive, but lo...

As sure as snow in winter or sun in summer, AMD has yet another refresh to its graphics card portfolio this spring. The Radeon HD 6790 is only a couple of misplaced digits away from the far more illustrious HD 6970, but you should be able to tell the two apart by another, altogether more significant spec: the new mid-tier card retails at $149. Predictably, its performance offers no threat to AMD's single-GPU flagship, but the 6790's 840MHz graphics and shader clock speeds plus 1GB of GDDR5 running at an effective 4.2GHz data rate don't seem like anything to sniff at either. Reviewers agreed that it's AMD's slightly delayed answer to NVIDIA's GTX 460, and with the latter card exiting retail availability to make room for the (oddly enough) less powerful GTX 550 Ti, AMD's new solution looks set to be the better choice at the shared $149 price point. Alas, being limited to 800 Stream processors and 16 ROPs does expose the HD 6790 to being cannibalize...