OS Mobility Explored

by Jarred Walton on September 21, 2009 6:00 PM EST

Gateway NV58 (Intel) - Futuremark

Performing a few quick system/graphics benchmarks, let's see if there are any major differences between the Windows operating systems. As always, Vantage requires Vista/Win7 so XP gets a "0" on those tests (which is not to say XP fails - it's just the way we have to do things with our graphing engine).

Gateway NV58 Futuremark Performance

The 3DMark results aren't quite as close this time, other than 3DMark05. XP trails in 3DMark06 by around 19%, and Vista leads in 3DMark03 by about 13%. Unlike the NV52, 3DMark Vantage scores almost twice as high as Vista with Windows 7 on the NV58, so perhaps Intel has invested some extra effort into improving their Windows 7 drivers. Of course, 3DMark Vantage barely worked on the NV58 and Vista, where it failed repeatedly to run anything other than the Entry test suite, so improving on that result shouldn't be too hard. Hopefully it's not simply a case of app detection and driver hacks to improve the score, though it looks rather suspicious. Anyway, we all know 3DMark isn't a game and as such you should take the above results with a grain of salt. PCMark05 also has XP in last place, but the 2D Transparency test again skews the results, so look at the table below. Meanwhile, PCMark Vantage again shows Windows 7 being Windows Vista, this time by 15%.

Gateway NV58 PCMark05 Breakdown
  XP SP3 Vista SP2 Win7 RTM
PCMark05 Score 4175 4671 4527
HDD XP Startup (MB/s) 9.661 8.158 8.14
Physics and 3D (FPS) 81.71 89.38 59.26
2D Transparency (Windows/s) 119 3864 2050
3D Pixel Shaders (FPS) 39.58 43.34 45.29
Web Page Rendering (Pages/s) 3.028 2.272 2.366
File Decryption (MB/s) 57.70 56.46 55.97
2D 64 Line Redraw (FPS) 704.7 485.7 564.2
HDD General Usage (MB/s) 5.674 4.716 4.731
Multitasking 1 1000 905 1015
Audio Compression (KB/s) 2209 1349 1248
Video Encoding (KB/s) 402.4 482.6 589.3
Multitasking 2 1000 931 941
Text Editing (Pages/s) 140.9 123.1 127.5
Image Decompression (MPixels/s) 29.39 29.02 28.73
Multitasking 3 1000 917 961
File Compression (MB/s) 4.951 5.005 4.36
File Encryption (MB/s) 27.99 25.79 33.13
HDD Virus Scan (MB/s) 72.95 54.57 58.54
Memory Latency (MAccesses/s) 8.207 8.108 8.012

As with the NV52, the PCMark05 composite score muddies the waters and makes it look like Vista is superior to XP and Windows 7. This time, 2D Transparency is 32 times faster on Vista than XP and 17 times faster on Windows 7. That score alone is able to drop Windows XP to the back of the pack in overall score, but it leads in virtually every other category. The 3D Pixel Shaders result favors Windows 7 and Vista over XP and Win7 is the fastest, potentially giving support to the idea that Intel has improved their graphics drivers under Win7. On the other hand, Win7 trails in the Physics and 3D test by 38% relative to XP and 51% compared to Vista. Maybe the 3DMark Vantage result is just a case of driver optimizations.

As before, we calculated our own composite score among the operating systems, with and without the 2D Transparency result. We didn't weight any of the tests, and our average of the 11 tests puts Vista at 278% faster than XP and Win7 139% faster. Remove the 2D Transparency score from the average and XP suddenly jumps up to 11% faster than both Vista and 7, which end up in a tie. We're not trying to say that 2D Transparency is worthless, but it does account for deflated PCMark05 scores on Windows XP.

Gateway NV58 PCMark Vantage Breakdown
  Vista SP2 Win7 RTM
PCMark Vantage 3397 3911
Memory 1896 2237
TV and Movies 2482 2613
Gaming 1999 1998
Music 2851 4206
Communications 3774 4033
Productivity 3039 3156
HDD Test 2643 2867

PCMark Vantage gives the lead to Win7 by 15%, with individual results ranging from a tie in Gaming to a 48% lead in Music. Unlike the NV52, the TV and Movies suite doesn't show a major difference, nor do the Communications and Productivity suites, but HDD and Memory show a larger benefit to Win7 on the NV58. Ultimately, PCMark Vantage still confirms that Windows 7 is faster overall than Vista, even if the only area that appears to benefit by a large amount (i.e. regardless of platform or hardware) is the Music suite.

Gateway NV58 (Intel) - Battery Life Gateway NV58 (Intel) - OS Benchmarks
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  • nortexoid - Wednesday, September 23, 2009 - link

    I'd like to see a test done using "regular" office apps (openoffice, acrobat reader, etc.) and NO internet browsing. (Yes, that's how I use my computer off the plug usually.) It would weed out the performance usage hit taken by Ubuntu when flash is running.

    It might also be interesting to do a test with tweaked systems, e.g. by tuning Jaunty with PowerTop or similar apps. How does each OS perform when FULLY optimized for battery life (without sacrificing features or much performance, of course)?
  • 7Enigma - Wednesday, September 23, 2009 - link

    I know there are users (Jarred apparently you are one of them) that run a system without antivirus/spyware, but you are (or at least should be) in the minority. Linux distro's apparently can get away without it, but on ANY Windows box it's a MUST HAVE. Also disabling those other services (while good at reducing variables) again undermines the system's protection and comparisons to a general usage scenario.

    In your article I do not think you mentioned what you tweaked (but I could have overlooked this). From my initial impression when reading the article you took both OS' as they were default installed and then tested from there. I think you skewed the results badly in the favor of the Windows platforms by doing this, and I say this as a Windows-only user (never used Linux in any flavor). The first thing I do after a fresh install (still on Vista) is turn off all of those programs you did, along with a host of other services/eye candy using BlackViper's Vista Tweaks. This significantly speeds up the OS in all aspects but can hardly be considered most users configs.

    At first reading these comments I was firmly on the "sour grapes" to all of the Linux users complaining about what distro was used, or why X wasn't tweaked by going to a website and reading a tech article, but now I kind of agree with them. Your experience with Windows and lack of experience with Ubuntu had you setting up one for failure before the first test was even run.

    Either you test both OS' as they are default installed (driver incompatibilities aside), or you need to have a Linux semi-guru set up your Ubuntu box. My recommendation is the former, as the latter has so many variables it's probably not worth testing in the first place.

    Aside from the Ubuntu portion I enjoyed the article. It was very interesting to see how the different power profiles jockeyed for position. I would like to second an earlier commment that asked for idle time to shutdown numbers. Let's be honest, most of us are not going to surf continuously from 100% to dead battery. Rather we are more likely to use the laptop for a bit and then walk away, and come back later. It also will give a good indication of those background tasks impact on battery life (if you don't disable them in your config). I have a sneaky suspicion XP might look very good as it seems to be quite a bit more bare-bones than Vista/7.

    Thanks again.
  • code65536 - Tuesday, September 22, 2009 - link

    An Intel engineer explained it some years ago in a blog posting: XP's max battery basically throttles the CPU's frequency down all the time. For example, on my Core2Duo, it'd mean that the CPU will operate at 800MHz all the time, even when it's busy. On the other hand, if Windows gives Speed Step a free hand and lets Speed Step determine the speed, then the CPU will operate at 2GHz when busy, and slow to 800MHz only when it's idling. According to this Intel engineer, it makes no sense to have it always throttled to 800MHz, because that means that tasks will take longer to finish, and the CPU will spend less time idling (which is when the CPU *really* saves power), and he labeled the max battery mode as the "what the hell are you doing?" mode.
  • Drizzt321 - Tuesday, September 22, 2009 - link

    I completely understand your complaints on the length of time required to run the test, plus recharge the battery. Have you considered buying a 2nd or 3rd battery and finding an external charger? Or would that kill the results of the test because the battery would be different?
  • PepperPot2 - Tuesday, September 22, 2009 - link

    I fail to believe you included the default grub time in the boot as this to do so would be unrepresentative of real use. Who would sit there and wait for it to time out rather than just press the enter key triggering the boot process? Anyway a default install of ubuntu (where it is the only OS on the machine) doesn't show the grub menu, only a 2 second alert to allow you to bring it up if you want. I then immediately boots.

    My experience with ubuntu is totally contrary to the conclusions you just posted about speed. We've have ~20 installs of Ubuntu 9.04 at work on old machines (7 yrs old) to a machine I built 1 month ago. In all instances the staff find it it is smoother and quicker to use than the dual boot copy of vista or XP.

    The boot time on XP is clear nonsense, when ubuntu boots to the desktop you can use it almost immediately. XP is typically totally unusable for ~30 seconds while it loads more crap in the background. Vista is worse.

  • jasperjones - Tuesday, September 22, 2009 - link

    That's true, XP and Vista are pretty unresponsive for a minute or so after boot on your average entry-level laptop. OTOH, Ubuntu is snappy once you see the GNOME desktop. 9.04 is called jaunty ducy ;)

    However, the same can be said of Win 7. It keeps loading stuff after you see the desktop, but that doesn't make the system feel sluggish--not at all
  • JarredWalton - Tuesday, September 22, 2009 - link

    The Windows boot times are stopped when I see the default system try icons appear (WiFi connectivity, volume, etc.) so the system is pretty much usable at that point. As for GRUB, it's a 2 second timeout, which I could bypass by pressing enter twice, but that still leaves around 8 seconds from the POST to the point where it looks like Ubuntu is actually loading. What's going on during that time? If we subtract POST times, then Ubuntu would look even worse. I can see about tweaking GRUB to skip straight to loading the OS and see if that helps as well... when I get time.
  • jasperjones - Tuesday, September 22, 2009 - link

    FYI--one can simply configure GRUB to not wait for user input by editing /boot/grub/menu.lst and changing the second or third line from "timeout x" to "timeout 0"

    But I generally completely understand the argument not to change too many things from the default installation of Ubuntu, as it's doubtful that the average user would do it.
  • maveric7911 - Tuesday, September 22, 2009 - link

    I would love to see a properly installed and setup distribution of linux in this review (not bashing love that you included linux at all). As others stated above Archlinux would be a pretty good choice. All packages come optimized and things like native 64bit flash and other native 64 bit applications are apart of the stable repository "no adding repos necessary". Also as mentioned, not using the hardware accelerated driver of ati or nvidia will take a big hit on power right away. I'm always available to assist with any linux testing and/or questions.

    HP
    Sr Linux Engineer
  • andrewaggb - Tuesday, September 22, 2009 - link

    What I would like to see is Jared run all the tests on his version of Ubuntu, then let a linux expert have some ssh love to tweak it all up, and then let Jared run the tests again and see how much difference he finds.

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