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Written by Ben Hall
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Monday, 17 November 2008 |
New content and articles from The Green Lounge can now be found at VIA Arena. I look forward to seeing you over there.
Thanks,
Ben | | Read more... (0 Comments) |
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Written by Ben Hall
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Thursday, 14 August 2008 |
As many of you have probably seen, there have been a lot of reviews of VIA’s new Nano processor vs. Intel’s Atom processor cropping up in the news lately. With both processors having low power as one of the major selling points, there’s been a lot of interest in both the media and public as to how the two new CPUs would stack up against one another.
If you’ve been following the coverage, you would know that in terms of performance, the VIA Nano came out on top by quite a margin. Here are links to a few of the articles if you’re interested in the finer details:
http://www.legitreviews.com/article/757/1/
http://www.techreport.com/articles.x/15204
http://arstechnica.com/reviews/hardware/atom-nano-review.ars
In terms of straight out power consumption, most sites gave a slight edge to the Atom platform (although the VIA Nano still held a significant performance per watt advantage), but one site in particular, PC Perspective, had a very interesting take on the power draw issue.
PC Perspective decided to use the Watts Up power meter to see how power consumption looked over time when comparing the VIA Nano and Intel Atom processors. In the graph below, the processors were set an MP3 encoding task. The Atom had the edge in power draw, but the Nano was definitely faster to complete the task.
To analyze the results, the reviewer worked out just how much energy each platform took to complete then encoding. the VIA Nano processor used a total of 37,323 watt-seconds (Joules) of energy while the Intel Atom processor used 38,290 watt-seconds (Joules) of energy. Not much of a difference, but at the end of the day the VIA Nano was able to perform tasks faster (by as much as 30% in some cases) while still using less total energy than Intel's Atom.
Certainly a new and interesting way to look at device power consumption. | | Read more... (1 Comments) |
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Written by Ben Hall
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Friday, 20 June 2008 |
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 A week ago VIA launched its new VIA Nano processor, which is based on the VIA Isaiah Architecture I wrote about back in January.
At a press conference last Thursday during Computex 2008, VIA released some more information on the processor, including some performance per watt figures based on PCMark® Vantage benchmarks. In the chart below you can see the results – in red are the VIA Nano’s performance per watt figures, and in blue the results for an Intel Celeron-M 520 (both CPUs are 1.6GHz models, with 1GB of DDR2 memory).
As you can see from the chart, the VIA Nano looks to have a distinct advantage over the Intel processor in terms of performance per watt in each of the key areas tested. Expect to see the new processor in small form factor desktop PCs, thin ‘n’ light laptops, and mini-note devices like the HP 2133 Mini-Note PC in the coming months. | | Read more... (3 Comments) |
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Written by Ben Hall
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Wednesday, 23 April 2008 |
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 If you take a look at the left-hand side bar you might notice a few changes. We’ve added two new sections: Green Computing News and Green RSS Feeds.
Green Computing News aggregates all the online green computing news from around the web in an easy-to-view format. It’s updated daily and seeks to include all mention of green computing that crops up in the media.
Green RSS Feeds has a slightly wider focus. This section takes RSS feeds from various sites and displays the title and a brief description of each article those sites post. You can scroll through the article titles and, by clicking on any link that you think might be worth a read, will have that article open in a new window. These feeds cover not just green computing matters, but also wider environmental and technological issues.
These new sections should significantly increase the size of The Green Lounge’s database of green computing information, providing a more valuable resource for readers. | | Read more... (0 Comments) |
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Written by Ben Hall
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Wednesday, 26 March 2008 |
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 In late January, I reported the VIA announcement of their new Isaiah Architecture, which promised to deliver a massive increase in raw computing power while maintaining a similar power envelope to previous VIA platforms.
Well, it looks like VIA are still on track to start shipping the new chips in Q2, and more and more details about the, as yet unnamed, processor are starting to come out. Yesterday, I read a good article on CNet that commented on a few of these new details. Of particular interest was the figure of 3.5 watts that was mentioned for TDP. Given the in-order nature of Intel’s Atom processors (which look to have only a slightly lower TDP), I imagine chips based on VIA’s out-of-order, superscalar architecture are going to be very popular and certainly the industry's leading processors in terms of performance per watt when they hit the market. | | Read more... (7 Comments) |
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