cruger
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- 01.09.2003
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es gibt nicht viele quellen, denen ich in hinblick auf die leistungsaufnahme glauben schenke. aber zumindest laut den messungen der c't ist die leistungsaufnahme (sowohl idle als auch unter last) eines x38-dq6 um einiges geringer als beim asus p5e3 (NICHT das deluxe, sondern die einfache sparversion).Ja gibt es
klick mich
Bei X38 sind die Asus sparsamer .
Grund: Durch die EPU-Funktion wird bei Bedarf(gerade im Idle)auf 4 Phasen geschaltet.
ein ähnliches bild, das die c't ergebnisse unterstreicht, ist ein vergleich des maximus extreme mit dem x38-dq6t bei tweaktown.
http://www.tweaktown.com/reviews/1240/15/page_15_power_consumption_tests/index.html
aus eigener erfahrung mit dem asus p5e kann ich dir sagen, dass epu rein gar nichts bringt.Grund: Durch die EPU-Funktion wird bei Bedarf(gerade im Idle)auf 4 Phasen geschaltet.
das deckt sich dann auch mit dem x-bit labs review eines p5e
ähnliches hat die c't in der ausgabe 24/2007 auch festgestellt.http://www.xbitlabs.com/articles/mainboards/display/asus-p5e_11.html#sect0
We normally do not measure the mainboards power consumption. But we will make an exception for Asus P5E, since not every mainboard out there can boast something like that on the package: “ASUS Exclusive Energy Processing Unit – 58.6% CPU Power Saving”. This promising statement inspired us to measure the power consumption of similar systems (without the monitor) built on Asus P5E mainboard with EPU and Asus P5E Premium without any special technologies. We performed the measurements in idle mode as well as for fully loaded system. Both platforms featured a Core 2 Extreme QX6850 processor working at its default frequency. Enhanced Intel SpeedStep and AMD Cool'n'Quiet power-saving technologies were activated.
As we see, there is no promised economy here whatsoever. Moreover, the new Asus P5E mainboard consumes a little more power than Asus P5K Premium in case of full CPU utilization. However, we shouldn’t forget that Intel X38 chipset itself boasts about 20W higher power consumption than Intel P35. That is why it would be incorrect to say that the processor voltage regulator on Asus P5E is not more economical than that of the opponent. Despite a more power-hungry chipset, Asus P5E performed as well as mainboards on other chipsets in our test session.
mag daran liegen, dass die epu-funktionen laut handbuch erst dann greift, wenn man den epu-treiber installiert hat und das power management von der gurken-software ai-gear regeln lässt. und selbst dann ist der effekt offenbar sehr bescheiden, wie hardwarezone festgestellt hat.
http://www.hardwarezone.com.au/reviews/view.php?cid=6&id=2410&pg=2
One of the new features that ASUS has been hyping about the board is a new EPU (Energy Processing Unit) chipset, which on the outset, seems to be very similar to what abit's micro-Guru and MSI's CoreCell ASICs do. The EPU improves power efficiency by monitoring system loads, which ASUS claims to make the P5E3 Deluxe the most energy efficient motherboard around. Firstly, in order to get the EPU working, you must install its drivers and the accompanying ASUS AI Suite software. From AI Suite, the AI Gear 3 tool is used to control the board's EPU functions. You can either set AI Gear 3 on Auto mode or select one of the four profiles depending on the energy savings that you would like to achieve. Once started, AI Gear 3 runs in the system tray and can be left alone. From our initial experience on using AI Gear 3, we did notice a dip in power usage under Windows idle modes, but increased power consumption at high loads. After monitoring the tools and its various modes, it would seem that AI Gear 3 actually reduces system power consumption by underclocking. In maximum power savings mode, the system FSB was reduced to 300MHz (from 333MHz); In Medium, it was 316MHz, and at Turbo, FSB was actually overclocked to 350MHz. This was why our system actually used more power at high-loads with AI Gear 3 enabled. If we forced Maximum Power Savings and disregarded the performance hit, we were able to reduce power consumption on an average of 14W and recorded lower temperatures between 1-4 degrees even on full loads.