AMD Introduces three new Phenom X4 quad-core desktop processors, the flagship Phenom X4 9950 Black Edition along with two low-power parts, the Phenom X4 9350e and Phenom X4 9150e.
The Phenom X4 9950 Black Edition is targeted at the performance/enthusiast segment, it features a 2.60 GHz clock speed and comes with an unlocked FSB multiplier among standard AMD Phenom specifications. This part however has a rated TDP of 140W and not all motherboards will be able to run it owing to its thermal and power characteristics. You have to check with your motherboard vendor for compatibility. This chip attains its speed at a voltage of upto 1.3 V.
The Phenom X4 9350e and 9150e have 2.0 GHz and 1.80 GHz clock speeds respectively. They have standard Phenom X4 features but what comes as a surprise is that these chips have a rated TDP of a mere 65W. These chips operate at a relatively low 1.125 V.