Power Requirements

Power requirements with a laptop plugged in don't necessarily reflect power requirements when a laptop is on battery power. In particular, high-end GPUs run at lower maximum clock speeds when using the battery. Keep this in mind when looking at the following numbers. We test under idle conditions, with a 100% load placed on the CPU via Folding@Home SMP, and finally at maximum load by running FAH SMP at the same time as we loop 3DMark06 (at the native LCD resolution).

System Power Requirements

System Power Requirements

System Power Requirements

Our power measurements are with the LCD at maximum brightness, which isn't necessarily a fair way of doing things as some LCDs are much brighter than others. Unfortunately, we don't have most of the laptops around to retest. You can see that the Dell Studio XPS 16 uses 9W more power running at maximum brightness, which represents an increase in power draw of 33%. We verified that 9W figure on the other tests, but we didn't include those results in the charts. We don't know if the RGB LEDs inherently use more power than regular laptop backlights, but obviously increasing the backlight intensity requires more power. Luckily, you can often get by running the XPS 16 LCD at around 30-40% brightness (100-130 nits).

Noise Levels

We also ran noise testing using an SPL meter at 24" under the same conditions as our power tests.

System Noise Levels

System Noise Levels

System Noise Levels

The Studio XPS 16 does reasonably well in terms of noise levels, almost reaching the noise floor of our testing environment (around 28 dB). Once you start to put a load on the system, it does get a bit louder, and extended gaming will usually reach maximum noise levels after a few minutes. The system also takes a while to quiet down after you remove the load, which is likely influenced by the top panel partially blocking the exhaust port.

Temperatures

We didn't create any charts, but we wanted to give a quick rundown of the temperatures you might expect from the Studio XPS 16. We placed a maximum load on the system for 30 minutes and then measured temperatures, so these results are something of a worst-case scenario. Then again, the testing environment was only 67°F, so in warmer conditions it might not be as difficult to make things toasty. We have heard some complaints from users about the XPS 16 getting excessively hot; we wouldn't go that far, but it definitely doesn't run cool to the touch all the time.

We measured temperatures of ~45°C at the exhaust, which isn't too bad. However, temperatures on the bottom of the laptop range from 35° to the 45° as well, with large portions of the bottom measuring above 40°C. The keyboard and palm rest weren't quite as hot, ranging from 30° to 40°C with most of the keyboard staying under 35°. Just to put things in perspective, those temperatures are higher than what we measured on the Toshiba X305-Q725, a result of the smaller chassis with fewer fans.

Battery Life Display Quality
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  • baadcatj - Friday, April 3, 2009 - link

    Hey Jarred, following the link, Dell still has the $343 off special with the upgraded panel, but it looks like they changed it as it doesn't include the upgraded cpu - unless I missed something; If it is still available with the processor upgrade, will you please let me know what I'm doing wrong?
    Thx & great job on the article :-)
  • JarredWalton - Friday, April 3, 2009 - link

    My guess is that Dell realized their mistake and changed the CPU out. I know when I first looked it was a T9550... unless I was seeing things? :-)
  • Joelist - Friday, April 3, 2009 - link

    It is definitely not one of the JMicron crap jobs.

    I have one of these with the SSD and the T9550. It is VERY fast, and the SSD even makes it run a lot cooler than expected. There is no stuttering and everything is super responsive.

    Remember that any Dell SSD will be Samsung, as the two are strategic partners on the SSD front.
  • JarredWalton - Friday, April 3, 2009 - link

    I've updated the text to clarify, but even the Samsung SSDs aren't perfect, http://www.anandtech.com/storage/showdoc.aspx?i=35...">as seen here. I stand by the recommendation that if you really want an SSD, read Anand's article and then purchase one on your own. Personally, I wouldn't even consider anything less than the Indilinx options, but I'd try for the Intel models.
  • MadBoris - Sunday, April 5, 2009 - link

    "(Note: one reader indicates the SSD uses a Samsung controller, which is better than the JMicron options. However, Samsung SSDs are still prone to degradation over time.)"

    I guess you are unaware how folks out there have stumbled on how badly Intel X25-m's degrade. There has been several forums where users have come across it and have noticed really bad drops in the Intels but here's pcperspectives test as one example.
    http://www.pcper.com/article.php?aid=669">http://www.pcper.com/article.php?aid=669

    Running the right or wrong benchies on the Intel can make it look great or horrible. X25-m is still nice but it has some serious issues too that the Samsung 256GB doesn't have.

    Quote from pcper on the intel x25-m "Once internal fragmentation reached an arbitrary threshold (somewhere around 40 MB/sec average write speed), the drive would seem to just give up on ‘adapting’ its way back to solid performance. In absence of the mechanism that normally tries to get the drive back to 100%, large writes do little to help, and small writes only compound the issue by causing further fragmentation. In several tests our write speeds dropped to 25-30 MB/s and simply refused to recover on their own, even with several successive passes of HDTach as well as any other application we could find to write a solid file across the entire drive."

    Although Anand did find a test to show the new OCZ's (similar but different to this samsung) to have degradation, while the Intel didn't. More thorough testing shows the Samsung never degrades to the levels that x-25m can and do, so Samsungs new MLC controller is superior in that regard.
  • MadBoris - Sunday, April 5, 2009 - link

    So it appears the X-25m issue maybe corrected by a new upcoming firmware, although that doesn't diminish the shining quality/price of this 256GB SSD.
  • JarredWalton - Sunday, April 5, 2009 - link

    Again, I still stand by my statement: if you want an SSD, but one on your own, when and if the price is right. If the $400 Samsung SSD is great, it will still be great when it's available and tested separately at retail. It will probably also cost less than $400 at that point. If you can't or won't wait, certainly a 256GB SSD is a nice upgrade that provides sufficient storage while also boosting speed and reducing temperatures. It's still a very high-end option, and it's new enough that I would personally hold off pending further testing.

    The X25-M has been beat on as hard as any SSD out there, and the performance degradation issue only occurred (as far as I'm aware) after specific artificially produced read/write patterns. Intel has said they will fix the issue, and I don't doubt their claim. It appears they may have already done so. Will the Samsung avoid similar issues under artificial test conditions? Maybe, maybe not. It's not in enough hands at present to say with certainty that it's the best option, and waiting a month or two shouldn't hurt.
  • MadBoris - Monday, April 6, 2009 - link

    "Again, I still stand by my statement: if you want an SSD, but one on your own, when and if the price is right. If the $400 Samsung SSD is great, it will still be great when it's available and tested separately at retail. It will probably also cost less than $400 at that point."

    I don't know of any plans at this point to go retail on this drive, at least their wasn't recently. That is why OCZ licensed it from Samsung along with it being just for OEM channels like Apple, Dell, HP etc. The Summit will go for $999 and you somehow don't realize what a value this Samsung drive is at a $400 upgrade. That's ok, you obviously haven't seen it tested, can't hold it against you except you are leading people away from it without knowing it's quality. Which is why some of us spoke up I think. No way it would come to retail for less, if it ever was available.

    Like you said, SSD's are Anand's baby and until you see the new 256GB Samsung tested, you won't realize it is a next gen MLC drive (far different than the Sammy 128, OCZ apex 256, or G.skill 256). I don't hold it against you to not know it is above the crowd until it is tested, but I do think you are assuming it's in the group of crap SSD's by recommending people pass on this steal. Maybe if Anand tests it you guys will realize it is by far one of the best price/performance SSD's around, unfortunately it's only with a new PC. It may not dethrone the X-25M but it doesn't need to even though it out performs it in certain aspects, I don't need an Intel Extreme CPU either for 5% performance increase.

    Thanks for the review, I was just trying to let you know there is something that slipped under your radar. Hopefully some readers catch on to this if they order this laptop to know that the $325 - $400 Samsung 256GB upgrade is a steal compared to a Summit 256 @ $999 or a Intel 160 X-25M at $800. This is the same drive that is a $825 upgrade in MAC Book, and probably worth it. You'll need to see it tested because I followed this drive since it silently came on the scene in February, people are slow to catch on to it being a great SSD upgrade and that it's a steal for price/perf/capacity.

    Good review otherwise, I think this laptop is on of the best all around laptop, if not the best IMO, on the market right now. There are better gaming laptops but this just does everything right on so many all-around levels while keeping pricing reasonable for my needs. I'll be buying it soon, along with the Samsung 256GB SSD. ;)
  • strikeback03 - Monday, April 6, 2009 - link

    The value of the drive drops due to the hassle of buying it in a Dell, buying another drive, swapping the two, then selling the Dell just to get the SSD.
  • Joelist - Monday, April 6, 2009 - link

    I don't see why the value drops. This is a superb laptop, and getting the SSD at 256GB for only $300 extra makes it even better.

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