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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 227.90

+2.0%

Jan 15 3:59 PM EST

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To: wbmw who wrote (236907)	7/23/2007 8:34:47 PM
From: pgerassi	Read Replies (1) of 275872

Dear Wbmw: Not with chipset, 1.7GHz Banias wasn't compared to latest Turions (TL-64 is 2.2GHz 65nm SOI) at same speeds. DDR uses more power than DDR2. Of course you wanted to compare 600MHz ULV (4W TDP) 200MHz FSB Banias to Mobile Athlon 64 3200+ (35W TDP 2GHz SC 130nm SOI 754) at the time without chipsets and DDRx where Banias was better because it didn't have a ODMC or NB. Turion TL-64 is 2.2GHz with deeper sleep, 65nm, DC, PowerNow2 and 35W TDP S1 with 690G against 24.5 W TDP 1.7GHz Banias SC bulk 130nm 200MHz FSB with just deep sleep and Speedstep with G965 (not PM965 without a GPU). Besides as Anandtech claimed in the article, the PM965 MB didn't implement a lot of things as no performance changes were seen with turbo memory enabled except to get slower. The notebooks also use discrete GPUs from two different makers and for some reason the graphics performance suffered with the PM965 so they didn't show any results! Here is a comparison between E4300 with G965/IGP versus BE2350 with 690G/IGP or X2 3800+ EE with 690G/IGP: techreport.com Notice how much lower 690G/IGP with either 2GHz X2 3800+ or 2.1GHz BE2350 than the 1.8GHz 2MB L2 1066MHz FSB E4300 with G965/IGP at both idle and under load. And here this contradicts the Anandtech article: xbitlabs.com Idle power of either Geforce chipset with IGP was well below either G945 or G965 with the G945 using 17W less at idle than G965. I guess that the setup of the PM965 was poor in Anandtech's tested Santa Rosa platform. That's why it may have lower idle power. Notice that Banias can't go into enhanced deeper sleep mode so much of the idle savings may not occur because Banias will keep asking for memory updates. So many of the savings will be gone to boot. Pete

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