Power Consumption

Compared to the Intel Atom boards, the Zotac wins out - it doesn't have to use a bulky desktop power supply which isn't as efficient at these low power draws. Compared to something more similar however, like the Atom 230 based ASUS Eee Box with its own external DC power supply, we see that the Zotac Ion does draw more power than Intel's Atom platform. I'm not sure how much more this could be cut down when used in a netbook/notebook, but that could be a deal breaker for more mobile versions of Ion.

Idle Power Consumption

Load Power Consumption (x264 HD 1st Pass)

Final Words

What do I think of the world's first mini-ITX Atom Ion motherboard? I like it. Zotac did a good job of delivering pretty much everything I'd want in a board like this, going even further than expected and offering a solution with an external power brick. I don't like the external power option from a long-term replacement standpoint, but I do appreciate its convenience. My only complaint is the price, at $189 it's a bit expensive for the performance you get but I do concede that there are some benefits in the convenience department. All you need to add is memory and some sort of storage and you're good to go, you'll have a system that's easily capable of playing back high definition content (not to mention very power efficient while doing it).

The general application performance of the Zotac Ion isn’t actually any better than the Intel D945GCLF2. It’s when you look at GPU-enabled applications that the Ion holds any real performance benefit. Blu-ray playback or 3D gaming are its real performance strengths; if you plan on doing neither then the platform isn’t very useful.

I did try some CUDA applications on the Zotac Ion board and they were definitely faster than using the CPU alone. While our x264 test managed around 12 fps on the Zotac Ion, using Badaboom I was able to encode at just under 20 fps.

When it comes to the Atom processor, at least on the desktop, there’s simply no reason to opt for the single-core model. Most tasks are so completely CPU bound on Atom that any increase in processing power is instantly noticeable. The Atom 330 ends up being faster than even a 1.6GHz single-core Celeron 420 in many tests, particularly video encoding and 3D rendering, while falling behind in other applications like WinRAR and even our general SYSMark tests. With enough cores, the Atom architecture is efficient in delivering good floating point performance it seems. Branchy integer code however favors the speculative execution engines of more conventional desktop microprocessors. The only reason I see the single-core Atom being of any use is if you're building a cheap file server, but otherwise the Atom 330 is so much faster across the board that it's more than worth it. Hyper-Threading definitely helps the Atom 230, but there's no replacement for another fully functional core. The added power consumption is nothing serious.

If you do need more CPU power, Zotac actually offers an LGA-775 version of the board but it of course requires a standard power supply:

Power consumption on the Zotac Ion is appreciably low, thanks in part to its 90W DC power supply. Compared to ASUS’ Eee Box however, the Ion system does use nearly 50% more power under load.

Everyone seemed to want an Ion based motherboard after NVIDIA first showed off its reference platform. Acer delivered the first Ion system, but it looks like Zotac is delivering what we all wanted from the start. Now it's time to see how people start using these things....

Gaming Performance Summary
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  • scottwilkins - Tuesday, May 19, 2009 - link

    I need a ITX with PCI-e 1x slot. ANyone seen such an animal?
  • dingetje - Tuesday, May 12, 2009 - link

    @Pandamonium,
    No it was not rude; flipmode was obviously joking about the funny sounding line in the article.
    Lighten up...
  • flipmode - Tuesday, May 12, 2009 - link

    Yeah, it did sound pretty rude, but I was just giving him a hard time.
  • Anand Lal Shimpi - Tuesday, May 12, 2009 - link

    I didn't intend for the line to sound like that, I meant that after our first review went up there was a great amount of interest in an Ion motherboard from our readership. I'll update to clarify.

    I stuck with the x264 test for power consumption since we've used it in previous reviews and I needed a good way of comparing power consumption to other systems that can't play back Blu-ray content.

    Take care,
    Anand
  • flipmode - Tuesday, May 12, 2009 - link

    I did not mean to sound too snotty, but I do enjoy being a smart ass once in a while. Maybe a :wink: would have been better than a :roll:

    As for power consumption, using x264 encoding does make sense for most reviews, but it seems a bit of stretch for this one. I sure do feel bad for anyone encoding x264 with an Atom. Do you think it is safe to say that the power consumption would be at its highest when the IGP is under load?
  • Anand Lal Shimpi - Tuesday, May 12, 2009 - link

    I agree, in hindsight I should've probably done a load test with the GPU being stressed as well. I'll try and look at that if I do a followup.

    The power consumption of the Ion/GF9300 chipset should be higher than the dual-core Atom CPU, so anything that stresses the GPU should deliver the highest power consumption. Note that Blu-ray playback uses the PureVideo HD engine which is actually separate from the shader processors on the GPU, it's a separate set of functional blocks on the die. I wouldn't assume that BD playback would generate the highest power consumption values, playing a game might do the trick for that.

    Take care,
    Anand
  • yyrkoon - Wednesday, May 13, 2009 - link

    Anand, Thanks much for the review. I have been wondering much about this platform since I first read the ads on nVidias webpages.

    Here, we live off grid, and are entirely powered by solar + wind (and the occasional running of a 30kW gen to pump water). What I was hoping to see here, was something that could play games fairly well at medium settings, do photoshop tasks fairly well, and play movies well also. I was fairly certain the latter would not be much of a problem, but the former two might have been. According to your benchmarks, it looks like my guess was not too far off.

    Also, your review came about two days too late concerning a decisions I was making concerning getting a newer system for above duties, while keeping power usage down to a minimum. That however is not your fault, and probably made my decision much easier.

    Now, I would like to add that the Zotac board with ATX power connectors is it ? May actually be a better overall option for some, including myself, *if* "we" can find a good sub 100W 80 Plus PSU. Once you get down to around 50-60W of system usage, the 50% PSU power out/usage combination is what can, and does kill power efficiency according to what I have been reading(e.g. for best efficiency, loading any PSU is usually optimal at 50% load capacity). George Oui from ZDNET tech articles (sorry may have spelled his last name incorrectly, I do not have the link handy) has done some experimentation on the subject, and at the time of his findings the best PSU he was able to find was the sparkle 220W 80 Plus PSU ( the PicoPSU's did not seem to do as well ). Anyways, he was able to get a complete Core 2 system, including an LCD monitor down to a sipping 49W of power usage while under load I believe. Personally, I consider that pretty good.

    Anyways, thanks again, and I for one would love to see more articles along these lines.
  • Penti - Friday, May 29, 2009 - link

    Why not simply run something downclocked? Low-power parts or simply a laptop with a discrete GPU is also a possibility. Or even something like the Fujitsu Amilo Sa 3650 with graphic booster (external mobile HD3870).

    BTW the Zotac board comes with a powersupply and doesn't have an ATX connector in this version Anand reviewed.
  • strikeback03 - Thursday, May 14, 2009 - link

    The Pico-PSU efficiency is going to be rather dependent on the efficiency of your AC to DC conversion. They claim over 95% DC-DC efficiency, so if you have an efficient method of directly feeding them regulated 12V they probably do pretty well. I suppose if you needed multiple workstations you could use one ATX PSU to feed regulated 12V to a bunch of Pico-PSUs and get the load on the ATX PSU up to the range it likes. Otherwise, I'm not sure how efficient those bricks are at Ac to DC.
  • therealnickdanger - Wednesday, May 13, 2009 - link

    Great review, thanks!

    Speaking of GPU tests, I have seen other reviews of Ion showing Left 4 Dead playable at 25fps and WoW (720p, low details) playable at 50fps! How come your rates are so low?

    I think it would be appropriate to follow up with testing of games like UT2004, Halo PC, COD4, Battlefield 2, and Counter-Strike: Source. Obviously, Crysis would be a waste of time on this platform, but some slightly older games that are still played heavily online and at LAN parties are ones I would really like to see benched.

    Nothing would excite me more than to have a portable, cheap, fanless, low-power, Mini-ITX gaming machine for some of the games listed above. If it can manage 25-30fps at or near 720p without looking like a turd, that would be more than acceptable. Please don't make me buy one and benchmark it myself! ;-)

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