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AMD based Optiplex vs Intel based: Whic more effecient?
It seems as tho Dell touts the AMD based Optiplexes
(740 I think) as being the most energy efficient. Why is that? Aren't the new Core 2 Duo chips supposed to be the king in that regard? see link http://www.dell.com/content/products...=04&l=en&s=bsd I ask this question here cause I'm thinking of using an Optiplex as a "base" for a DVR type machine for use with TV...... i.e. to time shift and record TV shows |
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AMD based Optiplex vs Intel based: Whic more effecient?
wrote in message ... It seems as tho Dell touts the AMD based Optiplexes (740 I think) as being the most energy efficient. Why is that? Aren't the new Core 2 Duo chips supposed to be the king in that regard? see link http://www.dell.com/content/products...=04&l=en&s=bsd I ask this question here cause I'm thinking of using an Optiplex as a "base" for a DVR type machine for use with TV...... i.e. to time shift and record TV shows if there is a difference, it would amount to pennies per month. -Dave |
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AMD based Optiplex vs Intel based: Whic more effecient?
wrote:
It seems as tho Dell touts the AMD based Optiplexes (740 I think) as being the most energy efficient. Why is that? Aren't the new Core 2 Duo chips supposed to be the king in that regard? see link http://www.dell.com/content/products...=04&l=en&s=bsd I ask this question here cause I'm thinking of using an Optiplex as a "base" for a DVR type machine for use with TV...... i.e. to time shift and record TV shows You can find 45W single core or 45W dual core AMD processors. That is the power level, when CPU is running 100%. http://www.newegg.com/Product/Produc...3%201051720996 For Intel, you can find a Celeron single core LGA775 socket, at 35W (CPU running at 100%). http://www.newegg.com/Product/Produc...3%201051707842 A lot of average desktop chips are 65W, and AMD has ones to match that. Where AMD goes power crazy, is high end Phenom processors (some seem to draw more than their 125W rating, at full CPU load). Some Intel quads are in the 95W to 105W region. Getting a straight answer, on sitting idle in the desktop (computer running but not doing anything), is more difficult. With processor examples like the ones above, the chipset can dissipate a significant amount of power, and may influence the idle power numbers. (In other words, a bad motherboard choice, may cause the box to lose the race for lowest power.) The third state, is the computer sleeping. In S3 suspend to RAM, only the RAM is being refreshed, and the computer might use 10 watts of electricity to do that. If the DVR software puts the computer to sleep, until the scheduled recording time, then the computer may not spend that much time in the "desktop idle" state. You would either be "recording/playing" or in S3 "sleep". The kind of tuner, the kind of content being recorded, determines the CPU requirement. If raw video was captured for example, and compressed by the processor, that would need more compute power, than a tuner that captures in some MPEG format. There are some tuner cards, that have their own video output, and can uncompress content during playback, without a lot of CPU help. There are a lot of degrees of freedom in building a recording box. Including just buying a DVR from Walmart :-) Paul |
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AMD based Optiplex vs Intel based: Whic more effecient?
Paul wrote:
The kind of tuner, the kind of content being recorded, determines the CPU requirement. If raw video was captured for example, and compressed by the processor, that would need more compute power, than a tuner that captures in some MPEG format. There are some tuner cards, that have their own video output, and can uncompress content during playback, without a lot of CPU help. There are a lot of degrees of freedom in building a recording box. Including just buying a DVR from Walmart :-) OK thanks so much Paul Many "variables" there that affect power consumption beyond simple processor brand! |
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