AMD Phenom II 720 X3 Black Edition
Author: Zahn Funk
Editor: Shawn Knight
Date: 03-08-2009
Provided by: New Egg
Pages:
Specifications


The AMD 720 X3 Black Edition is a retail box processor, which comes with a heatsink and fan and AMD's three year warranty. Unlike the first generation Phenom BE chips, which got copper heatpipe coolers, these new aluminum units appear more like the old thick-fin blocks of lesser processors. The Deneb core features 128Kb L1 and 512Kb L2 cache per core plus an extra 6Mb of L3 cache, an increase of 4Mb over the previous Phenom. The AM3 chips feature both a DDR2 and a DDR3 2x64bit memory controller that can function either ganged or unganged. HyperTransport 3.0 runs up to 4Ghz full duplex.


Compared to the first generation Phenom shown on the right, other than the markings and apparently two missing pins on the bottom, the Phenom II appears outwardly identical. It's under the IHS that the new 45nm die reveals its improvement over the previous 65nm Toliman and Agena core. Which brings up another interesting point, whereas before AMD used two different core identifiers for X3 and X4 chips, now both are simply referred to as Deneb.


Since there aren't very many AM3 motherboards available yet, I'll be testing the 720 X3 in my AM2+ board. Biostar released a BIOS to support the Phenom II chips around mid-December, and after flashing the new version the chip is correctly identified.


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