System Performance

The Intel Core i7-3517U is the second fastest ultrabook processor Intel offers, behind the i7-3667U capable of going all the way to 3.2GHz on a single core. That, coupled with the pair of 128GB SSDs in striped RAID, should allow the Acer Aspire S5 to produce some fairly impressive performance numbers. Intel's HD 4000 graphics are also finally capable of DirectX 11, allowing us to run 3DMark11 and produce comparison results with slightly heavier ultraportable gaming systems.

PCMark 7 - PCMarks

PCMark 7 - Lightweight

PCMark 7 - Productivity

PCMark 7 - Creativity

PCMark 7 - Entertainment

PCMark 7 - Computation

PCMark 7 - Storage

For the most part, the SSD solution in Acer's notebook does indeed seem to be the fastest we've yet tested. That gives it a slight edge against the otherwise comparable ASUS Zenbook Prime UX21A. For reference, even in Microsoft's Performance Advisor, the striped SSD maxes out the score at 7.9.

Futuremark PCMark Vantage

PCMark Vantage tells the same story, favoring faster SSD solutions against virtually anything else.

Futuremark 3DMark 11

Futuremark 3DMark Vantage

Futuremark 3DMark06

Unfortunately, 3DMark performance remains less than impressive. Pay attention to 3DMarks Vantage and 06 in particular; the faster, standard-voltage CPU in the Sony Vaio Z2 gives the last generation HD 3000 more breathing room and allows it to outperform the otherwise substantially faster HD 4000 graphics core.

Cinebench R11.5 - Single-Threaded Benchmark

Cinebench R11.5 - Multi-Threaded Benchmark

x264 HD Benchmark - First Pass

x264 HD Benchmark - Second Pass

More fundamental CPU performance is about where it ought to be. The S5 and ASUS UX21A tend to trade blows, and I suspect this largely has to do with how each notebook manages its own thermals. For testing, the trap door of the S5 wound up being open the entire time, allowing the S5 to run its processor a little harder.

In and Around the Acer Aspire S5 Battery, Heat, and Screen Performance
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  • JarredWalton - Wednesday, July 11, 2012 - link

    Progress for Acer. Build quality compared to older Aspire laptops is certainly improved, and the keyboard is substantially better. Acer is heading in the right direction, but they definitely have areas of concern we still want addressed -- particularly in a high-end device like the S5. It will be interesting to see the S7 when that comes out, though. Reply
  • Mumrik - Wednesday, July 11, 2012 - link

    What is so "premium" about max. 4gb RAM and a 768P TN display? Reply
  • Focher - Wednesday, July 11, 2012 - link

    Exactly why would I get this over a MacBook Air? Yeah, that's what I thought. Next. Reply
  • ciabatta - Wednesday, July 11, 2012 - link

    You compare the Aspire S5 somewhat favorably to the Zenbook Prime in a few points, including the conclusion. I just looked back at your review of the UX21A and found you guys gushing about it being the perfect ultrabook. I would not have expected you to conclude with "well, this may be the best ultrabook to buy, maybe," and instead something along the lines of "don't buy this, the Zenbook Prime is superior." Am I missing something? Reply
  • Penti - Thursday, July 12, 2012 - link

    Why would they recommend a product over another based on that argument? All things has it's upsides and downsides. They seldom say don't buy this and instead try to let you form an opinion of your own. Obviously a panel is important, but as far as I know they haven't reviewed the Prime UX31A or UX32VD yet at Anandtech, 1920x1080 IPS fits better at 13.3-inch then it does 11.6-inch. Because Windows DPI-scaling isn't that much useful. You would probably want both DPI-scaling and some zooming in the browser if you don't like everything to be really small. Neither will anything ever be perfect. The Acer S5 hardware and chassi looks fairly decent if you can live with the display and 4GB ram. Although pricey and not really worth it for the Thunderbolt. Reply
  • Rockmandash12 - Wednesday, July 11, 2012 - link

    1,400 laptop, and a 5 year old laptop has a sharper display. That's sad, and horrible. What is acer thinking with all these crap displays? This is the reason why acer will always be known as a cheap computer company. Reply
  • flgrx - Thursday, July 12, 2012 - link

    A few AMD trinity notebooks./sleekbook reviews pls. I feel Intel notebooks are doing fine and see no real advantages from ultrabooks per se. AMD sleekbooks are slightly cheaper and we also see Intel Ultabooks have compromised on quality in some areas like screen.

    Why not review a top, a mid, a low end AMD trinity notebook/ultrathin/sleekbook and let us readers see how they fare against the Intel ones, in the added context of price?
    Reply
  • hakime - Thursday, July 12, 2012 - link

    It's always amusing to see the people at Anandtech not reporting correctly the facts when it comes to PC-Mac comparisons. I guess this is due to the biased nature towards PCs of this site.

    So you claim this

    "It's important to keep in mind that what Acer has done here is essentially produce an ultrabook that is both lighter and thinner than a 13-inch MacBook Air."

    The problem with this claim is that it's flat wrong in one part of it and not well balanced in the second part. From your own table, the Acer Aspire S5 is 11.2mm to 15mm thick. Ok, but if I look at the numbers for the MacBook Air, I see that it's 3 to 17 mm thick. So anyone reasonable enough would conclude that the thickest part of the Aspire is slightly thinner than the thickest part of the MacBook air but on the other hand, the thinnest part of the MacBook Air is significantly thinner than the the thinnest part of the Aspire. Which means that just claiming the Aspire is thinner than the MacBook air is just not honest.

    Now when it comes to the weight, indeed the Aspire weights 1.2 kg and the MacBook Air weights 1.35 kg. That means that the Aspire is 150 g lighter than the Air. 150 g is not much given that the Air is immensely better built with better material than the cheap plastic based Aspire. 150 g more is a very small price to pay for a way better build quality. Don't you think so? Don't you think that comparing two computers should be done fairly instead of just throwing out some baseless statements?

    Also about this one

    "dual USB 3.0 ports instead of USB 2.0 (courtesy of the newer HM77 chipset), and most impressively, Intel's Thunderbolt."

    Well, Thunderbolt is not only an Intel thing since it was co-developed with Apple. Thunderbolt uses the mini display port connection technology developed by Apple. Facts Anandtech, facts....
    Reply
  • Panlion - Thursday, July 12, 2012 - link

    I don't understand why so many people are complaining about ultrabooks. Since ASUS UX31E came out, we've been deploying them in our company instead of Lenovo T420. They are cheaper, lighter, better screen, better battery life and a joy for everyone that we've deploy to. Now with the UX31A, we've gotten even better response from our users with the improved IPS screen and keyboard. Honestly, for most users 4GB of memory is more than enough and the 6-8 hr of battery life of Zenbook is way better than what we got from the Thinkpads. I for one, loved ASUS ultrabook and I can say that all my users who have use these laptop loves it. Reply
  • Zodryn - Saturday, July 14, 2012 - link

    So somehow .58" is thinner than the new Series 9? The 13" Series 9 is only .51"...What is Acer on about?

    And btw, when is the 11" Zenbook Prime coming out?? Also unrelated: I have a 13" Prime, but can only choose 13W in the configurable TDP options. Anyone know why that is? Anand had pics of 13W and 16W options for the ux21a, but I can't get 16W on my ux31a...
    Reply

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