The Phenom II X4 910 is a high-end quad-core desktop processor, one of several new 45nm Deneb-based models introduced by AMD in 2009. The processor clocks in at 2.6 GHz, and features a 1MB L2 and 6MB L3 cache, unlike the 805 and 810 models, which have L3 caches of only 4 MB. Cool'n'Quiet technology decreases noise and heat output from the 95W CPU, while HyperTransport 3.0 technology scales performance to reduce power consumption. It also features Enhanced Virus Protection, for protection against some viruses. It differs only slightly from the Phenom II X4 925, which features a 2.8GHz frequency.