Rumor mill details hot-clocked Zambezi quad, Llano duallies

As the world waits patiently for official word on AMD's upcoming Bulldozer-based Zambezi processors, the rumor mill continues to churn out information on the chips. The latest comes from Turkish site Donanim Haber, which has posted a couple of presentation graphics that don't look like they've been cobbled together in Photoshop by a bored teenager.

Much of the information in the graphics is old news. However, there appear to have been changes to the FX-4120, a quad-core model that earlier rumors suggested would debut in 2012 with a 95W thermal envelope. Now, that chip is expected to show up with the initial batch of FX processors, and the TDP has purportedly been raised to 125W.

The FX-4120 should be the highest-clocked member of the Zambezi family. The chip will reportedly have a 4.2GHz base clock speed with a 4.3GHz Turbo peak. The flagship FX-8150, which has twice the number of cores, is supposed to run at 3.6GHz with a 4.2GHz Turbo ceiling. Thanks to its higher clock speeds, the FX-4120 may deliver better gaming performance than the 8150, which would be one reason to bring it out early. The small 100MHz gap between the CPU's base and Turbo clock speeds make me a little dubious about the veracity of the leaked specifications, though. The 4120 doesn't appear on the list of FX processors leaked last week in a Gigabyte motherboard compatibility document, either.

If Llano is more your speed, Donanim Haber has what looks like new information on A4-series APUs destined for desktops. According to the site, the A4-3400 and 3300 are both due out before the end of the year. These duallies will run their cores at 2.7 and 2.5GHz, respectively, and they'll both carry 65W thermal ratings. I'd expect these chips to be based on the current quad-core Llano silicon as opposed to the native dual-core die, which seems likely to populate notebooks before migrating to the desktop.

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