OS Mobility Explored

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

Gateway NV52 (AMD) - Futuremark

Since we were already installing the various operating systems and running battery life tests, we thought it might be interesting to run some of the Futuremark benchmarks (while waiting for the battery to recharge...). Windows XP can't run the latest Vantage versions of PCMark and 3DMark, but we included 3DMark03/05/06 and PCMark05. Here are the results.

Gateway NV52 Futuremark Performance

The results in the 3DMark tests are very close, with the largest gap coming in 3DMark03. XP leads Vista by 3% in that test, which is hardly noticeable, and the results in the other 3DMark suites are within 1%. PCMark shows a much larger difference, with PCMark05 putting Vista in the lead by 7% over XP and 8% over Windows 7. We'll take a closer look at those results below, as the composite score is very deceiving. PCMark Vantage goes the other way, with Windows 7 beating Windows Vista by almost 20%. Let's look at the individual test results in both PCMark benchmarks to get a better idea of what's going on, beginning with PCMark05.

Gateway NV52 PCMark05 Breakdown
  XP SP3 Vista SP2 Win7 RTM
PCMark05 Score 3590 3875 3623
HDD XP Startup (MB/s) 6.664 5.948 6.168
Physics and 3D (FPS) 111.1 97.4 103.7
2D Transparency (Windows/s) 214 2730 478
3D Pixel Shaders (FPS) 55.02 54.81 52.86
Web Page Rendering (Pages/s) 2.450 1.644 1.962
File Decryption (MB/s) 35.91 34.02 36.05
2D 64 Line Redraw (FPS) 331.8 362.7 392.1
HDD General Usage (MB/s) 4.233 4.038 3.941
Multitasking 1 1000 930 948
Audio Compression (KB/s) 1936 1313 1163
Video Encoding (KB/s) 310.4 366.8 402.2
Multitasking 2 1000 889 934
Text Editing (Pages/s) 113.0 88.4 100.7
Image Decompression (MPixels/s) 23.64 23.54 23.09
Multitasking 3 1000 956 1047
File Compression (MB/s) 4.224 3.86 3.283
File Encryption (MB/s) 21.04 20.72 29.27
HDD Virus Scan (MB/s) 68.37 59.38 52.88
Memory Latency (MAccesses/s) 6.73 7.103 8.382

When you look at the composite score, Windows Vista looks very attractive in PCMark05. The individual results tell a completely different story! (Note that we calculated results for the multitasking tests relative to the XP score, which is why it scores 1000 on all three tests.) The high composite score of Vista is a result of the 2D Transparency test, where it is nearly 13 times as fast as XP and almost 6 times as fast as Windows 7. Exactly how important is 2D transparency? It probably helps in Vista when you're using Aero Glass, but it shouldn't matter much at all in Windows XP.

Obviously 2D transparency is a weak point of XP - or at least the XP drivers - so we went through and calculated the relative performance in the PCMark05 tests with and without 2D Transparency. We used the XP result as the baseline metric. Including 2D Transparency, Vista's average performance is 200% of XP and Windows 7 is 108%. Remove that one result and XP ends up being 8.6% faster than Vista and 3.5% faster than Windows 7. The composite PCMark score is weighted, and we don't have exact details on their formula. It's clear that 2D Transparency does not have the same weight as the other tests, but it's still enough to skew the results.

Gateway NV52 PCMark Vantage Breakdown
  Vista SP2 Win7 RTM
PCMark Vantage 2566 3055
Memory 1467 1529
TV and Movies 1541 1835
Gaming 2121 2126
Music 2170 3347
Communications 2971 3652
Productivity 2499 2558
HDD Test 2445 2372

The results for the individual test suites in PCMark Vantage are a lot closer than the 2D Transparency result from PCMark05, and Windows 7 leads in most of the tests. Gaming performance is essentially a tie, Vista leads by 3% in the HDD test suite, but everything else favors Windows 7 - sometimes by a large margin. We don't know exactly why Windows 7 scores so much higher in the TV and Movies, Music, and Communications test suites. It could be that driver differences play a part, or it may be that Windows 7 is simply better optimized for some of these tests. We do know that most users think Windows 7 performs better than Windows Vista, and the PCMark Vantage results clearly support that impression.

Gateway NV52 (AMD) - Battery Life Gateway NV52 (AMD) - OS Benchmarks
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  • orionmgomg - Tuesday, September 22, 2009 - link

    You are right - I did shouldn't have been so brass on saying who cares - it is a very well written artical and I am sure you spent a lot of time puttinmg together very accurate data for the people who actually do care.

    Sorry for being thoughtless to say the least.

    I always love anandtech and I love all the articals and the diversity of reviews and studies.

    I just had a knee reaction to this because every time I buy a lappy - and test the battery for the first time, I realize - yes battery performance gets better and better - even though ever so slightly, but I also realize with great frustration that you really can not rely on battery power for the most part - it will get you out of a jam for sure - but to base any computing time on battery power is futile - that has been my expreiance and so I made those comments more out of my own frustration than anything...

    Thank you for all the hard work, good articals and being the very best tech web site!
  • Fox5 - Tuesday, September 22, 2009 - link

    Ubuntu may be released on a 6 month time frame, but by the time a version comes out, the software in it is 6 months out of date. Since Linux is finally getting some real development attention, it's advancing very quickly, and being 6 months to a year out of date represents a large change in features.

    Hold off on any future Ubuntu comparisons until Ubuntu 9.10 (fresh install only). It switches to the ext4 file system which fixes some firefox performance issues and should decrease boot times as well and should have more up to date drivers. It's also the next long-term release I believe, which is kind of scary considering how much new stuff they're adopting in that version.

    I'm surprised you couldn't get the latest ATI proprietary driver installed though. I've used both ATI and nvidia cards in linux, and ati by far had the easier install process. If I recall, it was as simple as sudo ./atiinstaller and then hitting enter a few times. Then again, I've also heard ati integrated chipsets have horrible driver support under linux, so they may not be supported, though I'd think the hd3200 igp would be since it's still fairly recent.

    The intel drivers may also get a big boost in ubuntu 9.10. There's some new video driver (or just 3d?) framework being introduced and the older Intel drivers have all but been abandoned to work on the new framework, so a lot of issues that need fixing aren't even being considered for the current drivers in use.
  • themissinglint - Tuesday, September 22, 2009 - link

    This reads like you guys don't know your way around GNU Linux systems well enough to get what you could out of them. It reads like you did the minimum to get it running, which is, from a perspective, fair, since that was probably more work than you put into the Windows OSs.

    It's also a small sample because you're only using one/two set ups. Laptops like these are optimized up and down for Windows. Of course that is also true for most computers people buy.

    Overall, I am glad to see Ubuntu included at all-- it's usually absent from these sorts of tests. The more you include it, the more experience AnandTech will have running Ubuntu (and other Linux systems), and the more you'll be able to get from it. Also, Ubuntu in particular is quickly becoming more out-of-the-box (as more and more people contribute to development on more and more machines). In the next couple years you'll be testing Linux systems that will blow Windows away in some places.

    But: Kudos on including Ubuntu... where's OS X? Couldn't you get it to run on a Gateway machine?
  • JarredWalton - Tuesday, September 22, 2009 - link

    Not going to try OS X on a hackintosh... at least not yet. As for the ATI drivers, I went through the manual install procedure multiple times and was greeted with a failed driver message. It was so bad that I couldn't even get back to the original Ubuntu ATI fglxr driver and ended up just going back to my previous Ubuntu image. I did it three times following various instructions and it failed each time. :(

    If someone has specific experience with getting an optimized driver for the HD 3200 working, point me at some instructions. The experience right now unfortunately was horrible. All the DVD playback programs I tried on Ubuntu crashed when using the latest "stable Ubuntu Jaunty" driver package, sometimes after five minutes, sometimes after 60 minutes. If you weren't at the PC when the DVD playback froze up, the system would eventually enter a completely locked up state (a la the lovely BSOD, but with no error message).

    I still have the laptops and will test out other options if any of you want to point me to guides that are of reasonable quality. I got just a brief glimpse of what Ryan experienced over the past year with Ubuntu, though, and I didn't want to get sucked in any further. I have plenty of other reviews I need to get done!
  • smitty3268 - Tuesday, September 22, 2009 - link

    I think that crash during video playback is fixed by turning off redirected rendering when full screen apps are active (it's an option in Compiz somewhere). Or you could just turn off desktop compositing completely. It seems like the newer drivers have fixed that, but I'm not running fglrx and I don't remember for sure.
  • Fox5 - Tuesday, September 22, 2009 - link

    Agreed, the desktop effects, besides wasting battery life, interfere with the ATI's drivers video acceleration and should have been off during the test.
    Of course, you could then ask why Ubuntu enables something buggy by default.
  • JarredWalton - Tuesday, September 22, 2009 - link

    I did disable Visual FX on both systems - is that the same thing? The ATI setup was pretty much a complete no-show with DVD playback before I did that. It would stutter and fail withing seconds. Sorry I didn't mention that.
  • nofumble62 - Tuesday, September 22, 2009 - link

    Intel battery life at least 1 hour longer.

    AMD boot up time 50% longer.

    Those are the two most important things for me.
  • jodomcfatty - Tuesday, September 22, 2009 - link

    If you look at the specs, he's comparing a Intel 4500 graphics chip with an AMD 3200HD(which while integrated, will seriously destroy the 4500 in gaming tests) but that will ALSO completely affect battery life since it can't just be turned down to 4500 usage levels. This thing alone eats up significant battery power while expelling a lot more heat.

    He did this before and I completely lose respect for him for talking battery life while using totally different setups.

    I would agree that equal systems the Intel will most likely be better, but no where near by this much.

    This article is more about the OS but even there he knows little about linux but I will say he's willing to do more testing....just seems crazy to me that he couldn't just get a AMD with a 4500(harder to find but not impossible)
  • JarredWalton - Tuesday, September 22, 2009 - link

    What's a better IGP for AMD than the HD 3200? You're being completely obstinate to suggest that it's not a fair comparison.

    The fact is, AMD can't do any better power-wise than what I've got in the Gateway, can it? An X1270 IGP is similar in performance to the 4500MHD, and power draw is similar to the HD 3200 (because it's on an older process).

    As for finding an AMD setup with a 4500, either you're talking about an AMD HD 4500, which would be even WORSE on power draw than the HD 3200, or you're suggesting it's possible to run an AMD CPU with an Intel chipset. It's not, as HyperTransport isn't an Intel feature and that's what AMD CPUs use.

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