AMD Athlon II X4 620: Quad Core For The Masses At $100

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All AMD 45nm Processor Models Compared

High-End/Mainstream: Phenom II X4 (Deneb Quad Core)

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Model Clock Speed Cores Socket / Memory TDP L2 Cache L3 Cache Release Hyper Transport
Phenom II X4 965 BE 3.4 GHz 4 AM3/AM2+ DDR3, DDR2 140W 4 x 512KB 6MB 08/13/2009 2.0 GHz
Phenom II X4 955 BE 3.2 GHz 4 AM3/AM2+ DDR3, DDR2 125W 4 x 512KB 6MB 04/23/2009 2.0 GHz
Phenom II X4 945 3.0 GHz 4 AM3/AM2+ DDR3, DDR2 125W95W 4 x 512KB 6MB 04/23/200906/12/2009 2.0 GHz
Phenom II X4 940 BE 3.0 GHz 4 AM2+ DDR2 125W 4 x 512KB 6MB 01/08/2009 1.8 GHz
Phenom II X4 920 2.8 GHz 4 AM2+ DDR2 125W 4 x 512KB 6MB 01/08/2009 1.8 GHz
Phenom II X4 910 2.6 GHz 4 AM3/AM2+ DDR3, DDR2 95W 4 x 512KB 6MB 02/09/2009 2.0 GHz
Phenom II X4 905e 2.5 GHz 4 AM3/AM2+ DDR3, DDR2 65W 4 x 512KB 6MB 06/02/2009 2.0 GHz
Phenom II X4 900e 2.4 GHz 4 AM3/AM2+ DDR3, DDR2 65W 4 x 512KB 6MB 06/02/2009 2.0 GHz
Phenom II X4 820* 2.8 GHz 4 AM3/AM2+ DDR3, DDR2 95W 4 x 512KB 6MB 02/09/2009 2.0 GHz
Phenom II X4 810 2.6 GHz 4 AM3/AM2+ DDR3, DDR2 95W 4 x 512KB 6MB 02/09/2009 2.0 GHz
Phenom II X4 805 2.5 GHz 4 AM3/AM2+ DDR3, DDR2 95W 4 x 512KB 6MB 02/09/2009 2.0 GHz

* new

Mainstream: Phenom II X3 (Heka Triple-Core, based on Deneb)

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Model Clock Speed Cores Socket / Memory TDP L2 Cache L3 Cache Release Hyper Transport
Phenom II X3 740* 3.0 GHz 3 AM3/AM2+ DDR3, DDR2 95W 3 x 512 KB 6MB 09/16/2009 2.0 GHz
Phenom II X3 720 BE 2.8 GHz 3 AM3/AM2+ DDR3, DDR2 95W 3 x 512KB 6MB 02/09/2009 2.0 GHz
Phenom II X3 710 2.6 GHz 3 AM3/AM2+ DDR3, DDR2 95W 3 x 512KB 6MB 02/09/2009 2.0 GHz
Phenom II X3 705e 2.5 GHz 3 AM3/AM2+ DDR3, DDR2 95W 3 x 512KB 6MB 02/09/2009 2.0 GHz
Phenom II X3 700e 2.4 GHz 3 AM3/AM2+ DDR3, DDR2 95W 3 x 512KB 6MB 02/09/2009 2.0 GHz

* new

Mainstream: Phenom II X2 (Callisto Dual-Core, based on Deneb)

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Model Clock Speed Cores Socket / Memory TDP L2 Cache L3 Cache Release Hyper Transport
Phenom II X2 550 BE 3.1 GHz 2 AM3/AM2+ DDR3, DDR2 80W 2 x 512KB 6MB 06/01/2009 2.0 GHz
Phenom II X2 545 3.0 GHz 2 AM3/AM2+ DDR3, DDR2 80W 2 x 512KB 6MB 06/01/2009 2.0 GHz

Low Cost: Athlon II X2 (Regor Dual-Core)

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Model Clock Speed Cores Socket / Memory TDP L2 Cache L3 Cache Release Hyper Transport
Athlon II X2 250 3.0 GHz 2 AM3/AM2+ DDR3, DDR2 65W 2 x 1024KB - 06/02/2009 2.0 GHz
Athlon II X2 245 2.9 GHz 2 AM3/AM2+ DDR3, DDR2 65W 2 x 1024KB - 06/02/2009 2.0 GHz
Athlon II X2 240 2.8 GHz 2 AM3/AM2+ DDR3, DDR2 65W 2 x 1024KB - 06/02/2009 2.0 GHz

Low Cost: Sempron (Sargas Single-Core)

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Model Clock Speed Cores Socket / Memory TDP L2 Cache L3 Cache Release Hyper Transport
Sempron 140 2.7 GHz 1 AM3/AM2+ DDR3, DDR2 45 W 1024KB - - 2.0 GHz

We will stop here, as we’ve listed all 45nm AMD processors. There still are lots of 65nm chips based on the quad-core Agena (Phenom 9000-series) and the triple-core Toliman (Phenom 8000), as well as the Athlon X2, which is based on the dual-core Kuma. All of them were designed for Socket AM2+ and DDR2 memory, but since the 45nm generation is compatible with both AM3/DDR3 and AM2+/DDR2, this is clearly the better choice.

New: Athlon II X3 and Athlon II X4

Today’s AMD processor introduction, the Athlon II X4, represents the first step to introducing Deneb-based triple- and quad-core processors that run without L3 caches. AMD started with the Athlon II X4 620 at 2.6 GHz, but two models at higher clock speeds will also be available shortly. The Athlon II X3 has already appeared on several roadmaps and will be introduced at the same time.

Other than that, AMD is about to switch from its C2 stepping to C3, which should reduce the TDP on a number of processors. For instance, the Phenom II X4 965 flagship is expected to go from 140W to 125W and the Phenom II X4 945 will change from 125W to 95W.