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[TPU] Microsoft Windows 8 Gaming Performance  

post #1 of 158
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Quote:


Microsoft Windows 8, the year's biggest tech launch, is on course for a late-October launch. Before consumers can get their hands on the new operating system, Microsoft made its fit-for-market version (RTM) available to industry partners and enterprise clients. We got our hands on the new operating system.

Windows 8 is more than a new operating system with a new user-interface. It is based on the new Windows 6.2 kernel and comes with a new driver model; in particular, a new display driver model (WDDM 1.2). The new DDM changes the way software interacts with graphics hardware, meaning that Windows 8 could have a different graphics performance from Windows 7.

Meanwhile, the two leading gaming GPU markers, NVIDIA and AMD, have both claimed to be the first with drivers certified to work with Windows 8. We took this opportunity and installed Windows 8 RTM on our VGA test-bench, picked a high-end graphics card from each of the two camps, here the GeForce GTX 680 and the Radeon HD 7970, and made them work with drivers NVIDIA and AMD recommend for use with Windows 8. We put the two graphics cards through our VGA gaming benchmarks with these Windows 8 drivers and came up with two objectives for our review:

  • To find out what difference in graphics performance Windows 8 makes over Windows 7

    and

  • How NVIDIA's and AMD's drivers recommended for Windows 8 fare

Source

19 different games/synthetic benches. smile.gif
Edited by Riou - 8/22/12 at 5:01am
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post #2 of 158
Good to know the effects I'm seeing/feeling aren't placebo then.
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post #3 of 158
Quote:
Originally Posted by GrizzleBoy View Post

Good to know the effects I'm seeing/feeling aren't placebo then.
That they perform exactly the same?
post #4 of 158
Quote:
Originally Posted by GrizzleBoy View Post

Good to know the effects I'm seeing/feeling aren't placebo then.

That Windows 7 is on average, faster than Windows 8 for gaming?

Sounds about right.

I'm sure it will improve over time, and by the time SP1 for Windows 8 rolls around, it actually might be a noticeable difference ... like 5-10% faster, but for now, you shouldn't notice anything (beyond the usual performance gains from installing a fresh OS and not having all the "Junk" in the registry that accumulates after a couple years of day in and day out use. Which is why a real test, like these, use to fresh installs of the OS.


Quote:
After testing both AMD's Radeon HD 7970 and NVIDIA's GeForce GTX 680 on Windows 8 using 19 benchmarks, we can confirm that both Windows 7 and Windows 8 offer the same gaming performance. Some games at low, CPU-limited resolutions show Windows 8 lagging slightly behind Windows 7, which is a sign that there is some mechanism at work here that increases CPU time or otherwise limits the system from sending information to the graphics cards fast enough to achieve higher framerates. This difference is very small though and barely noticeable, especially at higher resolutions like full HD or 2560x1600. The same performance is, at higher resolutions, pretty much the same as in Windows 7. The difference we noticed would be smaller, or go away, with a weaker graphics card at lower resolution as the slower GPU will limit framerates in such a scenario.
post #5 of 158
Quote:
Originally Posted by d-block View Post

That they perform exactly the same?

Windows 8 actually improves in a very vast way the way the OS handles the graphics, leading to a much smoother experience. Especially in the OS environment.

Framerates may stay the same, but it stutters less, has less framedrops...
   
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post #6 of 158
Quote:
Originally Posted by 47 Knucklehead View Post

That Windows 7 is on average, faster than Windows 8 for gaming?
Sounds about right.
I'm sure it will improve over time, and by the time SP1 for Windows 8 rolls around, it actually might be a noticeable difference ... like 5-10% faster, but for now, you shouldn't notice anything (beyond the usual performance gains from installing a fresh OS and not having all the "Junk" in the registry that accumulates after a couple years of day in and day out use. Which is why a real test, like these, use to fresh installs of the OS.


While the relative performance was VERY slightly lower in Windows 8, I think it's important to note they were both at 100% for the higher resolutions which is key. Out of the box and this early in development it is supporting gaming at high resolutions which is obviously the direction displays are going. With more tweaks both from Microsoft and AMD/Nvidia I not only expect it to perform better in lower resolutions, but start to pull away from Windows 7 at higher resolutions as the OS matures.

I was hoping it would outperform out of the box, but this is still very promising this early on smile.gif
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post #7 of 158
Quote:
Originally Posted by Artikbot View Post

Windows 8 actually improves in a very vast way the way the OS handles the graphics, leading to a much smoother experience. Especially in the OS environment.
Framerates may stay the same, but it stutters less, has less framedrops...

This is what I've heard the most. The average FPS might be the same in the end, but it's more constant and steady with Windows 8. Might be worth looking into once they get a viable service pack onto it. I remembered trying to get most games on the bare Windows 7 Ultimate... it was terrible... frown.gif
   
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post #8 of 158
Quote:
Originally Posted by Artikbot View Post

Windows 8 actually improves in a very vast way the way the OS handles the graphics, leading to a much smoother experience. Especially in the OS environment.
Framerates may stay the same, but it stutters less, has less framedrops...

This is exactly what i have experienced with switching over to windows 8 on my gaming rig. Frame rates are about the same but the game play has been much smoother. As a gamer that alone warranted the upgrade.
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post #9 of 158
I feel it has been much smoother playing various games with less fluctuations in framerate and I think the benchmarks are a good thing, an OS getting pretty much on-par performance before release with no real mature drives or no real mature OS means it can only really get better as time goes on.
post #10 of 158
Quote:
Originally Posted by Browncoat View Post

I feel it has been much smoother playing various games with less fluctuations in framerate and I think the benchmarks are a good thing, an OS getting pretty much on-par performance before release with no real mature drives or no real mature OS means it can only really get better as time goes on.

The drivers should be the same/similar since windows 8 is windows 7 with a new shell and a bunch of annoying functionality changes such as even worse UAC. The majority of my windows 7 drivers worked on it unless it had a version check and just wouldn't run the installer.
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