One of Microsoft’s stated goals for Windows 8 (and the only reason, really, why there continues to be a 32-bit version of the operating system) was to maintain compatibility with any system that could run Windows 7, so the official system requirements for the OS are going to be the same: a 1GHz processor, 1GB (x86) or 2GB (x64) of RAM, a DirectX 9.0 compatible graphics card with WDDM drivers, and a dozen or so gigabytes of hard drive space.

Under the terms of these requirements, Windows 8 could run on an old Pentium III equipped with an old ATI Radeon 9600 and a gigabyte of SDRAM (and, knowing computer enthusiasts, it probably will), but what are the actual minimum requirements that will yield a usable machine? Will Windows 8 actually run well on anything Windows 7 ran on? And, most importantly, is it a good idea for you to upgrade your old system? To help you out, I've put together a list of specs that I think will get you an acceptable Windows 8 experience (for the purposes of this review, I assume you meet the hard drive requirements already).

 

Microsoft minimum system requirements

AnandTech minimum system requirements

CPU 1 GHz or better Dual-core processor or better
GPU DirectX 9.0-capable with WDDM driver 256MB DirectX 10.0-capable GPU or IGP
x86 RAM (x64 RAM) 1GB (2GB) 2GB (4GB)

As you can see from the Hardware Used in This Review page, I’ve put Windows 8 through its paces on a fairly wide array of hardware both old and new, fast and slow. The good news is that Microsoft’s claims are true, and that Windows 8 runs ably on hardware that ran Windows 7, even netbooks that flirt with Microsoft's minimum system requirements. In some cases, as in boot speed, Windows 8 actually performs substantially better than its predecessor, but it’s not going to make old hardware new again—if your poky processor or low RAM impacted your PC’s performance under Windows 7, Windows 8 isn’t a magic bullet that’s going to make those problems go away.

One thing to pay especial attention to as you evaluate whether to upgrade a computer to Windows 8 is its GPU. In my experience with testing, Metro was surprisingly fluid even on an old Intel GMA 950, which is just about the weakest, oldest GPU that still meets the minimum system requirements. You won’t want to use it to push multiple monitors, but for basic Metro and Aero usage it performed reasonably well on the laptop’s 1440x900 display. The same goes for the Intel GMA X3100 and ATI Radeon X1600, the two other DirectX9 GPUs in my lineup of test machines.

Where things start to fall apart is in Metro apps—basic ones like Mail and Photos work fine, but things that are even modestly graphically demanding are going to choke on these old DirectX 9-class graphics chips. Even plain old Solitaire suffered from input lag and poor performance on these GPUs.

For gaming and other purposes, Microsoft recommends you use a DirectX10 or better GPU in Windows 8, and I agree—for anything more than basic Start screen functionality, you’ll want a dedicated DirectX10 or 11 GPU, or IGPs starting with Intel’s 4-series GPU, AMD’s Radeon 3200, or NVIDIA’s GeForce 9400—stuff that was current right around when Windows 7 was launching. The stronger the GPU the better, of course, but after evaluating performance on quite a few different machines I’d say that this is probably the minimum you’ll want for a consistent Windows 8 experience, especially if you’re using multiple monitors.

The other problem with DirectX9 GPUs, of course, is driver support—while Intel appears to be issuing new Windows 8 drivers for all of its WDDM-supported products (Windows 8’s driver for the GMA 950 is version 8.15.10.2548 dated 10/4/2011, compared to Windows 7’s version 8.15.10.1930 dated 9/23/2009) and NVIDIA offers current drivers for its GeForce 6000 and 7000 series cards, neither AMD or NVIDIA offer drivers for DirectX9 laptop GPUs, and AMD stopped offering new drivers for DirectX9 cards in early 2010.

It goes without saying that computers being sold today, namely Sandy Bridge CPUs and anything branded as a part of AMD’s Fusion platform, run all of Metro’s flair just great, and the Ivy Bridge chips that will be current when Windows 8 lands in stores later this year will be even better.

My last note on system requirements involves hard drives—while Windows 8 ran pretty well even on cheap 5400 RPM mechanical HDDs, we here at AnandTech are huge advocates of using solid-state drives in just about any computer physically capable of using one. No matter what OS you use, a good SSD is the best upgrade you can buy to speed up your computer and make performance more consistent, and Windows 8 is no exception.

 

Battery Life Explored Next Steps and Conclusions
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  • jardows2 - Saturday, March 10, 2012 - link

    This "new" Metro interface seems quite reminiscant of the Windows 3.1 Program manager. I actually prefer the program manager to the start menu, it seemed better organized and more efficient to me. I'll have to give this a try!
  • Beenthere - Sunday, March 11, 2012 - link

    ...before I use Win 8.
  • bigboxes - Sunday, March 11, 2012 - link

    Ever try uTorrent?
  • androticus - Sunday, March 11, 2012 - link

    Please stop aping the Microsoft Marketing Machine (MMM) use of the term du jour, "fluid"--it is annoyingly littered throughout all their Win 8 materials, both promotional and technical. No one ever used this term to describe UI's before this new fetish introduce by MS. Please stop embarrassing yourselves by so slavishly following their lead. Thank you!
  • jabber - Sunday, March 11, 2012 - link

    I wouldn't call anything that involves me having to move far left and right across the screen to do stuff 'fluid'.

    Bloody stupid maybe.

    Fluid as in a full fishtank in the back seat of car maybe.
  • samgab - Sunday, March 11, 2012 - link

    I tried Win8CP for a day before I gave up on it and rolled back to Win7.
    Allow me to attempt to review it in three words:
    I hate it.
  • noname3 - Sunday, March 11, 2012 - link

    Nice article, but I disagree with some of the conclusions. Any program that goes full screen on my 30” monitor has to be either a game or a program that has some bugs in it. The whole premise of Windows is that you can control the size of the…Windows. This is a tablet oriented operating system pretending to be useful on the desktop.

    After >20 years of using and programming in Windows, I am seriously considering switching to a Unix variant. Enough of the Microsoft marketing bs, they have no respect for their legacy and they have completely alienated their strongest user base.

    The Windows 8 kernel is a gem, but any benefits are obliterated by the brainless UI. Good luck to them trying to sell this crap. Experienced users will want proper Windows, business are just upgrading to Windows 7, Apple and Android selling like hot cakes, they will only have some dedicated funs upgrading to this abomination, the future looks not very promising for them. This is the worst time to piss off their dedicated followers.

    The funniest thing is that they have applied the same brainless UI in the Windows Server 8 too. Using the UI over remote desktop does not activate the corner controls consistently and you end up using the console commands to achieve anything. If this is what I have to do why should I not use a Unix OS? If I have to learn how to use computers from scratch and basically keep searching for everything and memorizing shortcuts, I may as well move to Linux, there is no difference.

    I installed Vista since the “beta” days and I found it more functional than XP (maybe I am the only one) but I likes it a lot (even though I found a lot of the controls scattered all over the place). Then Windows 7 came out and it was what Vista should be and so far I think it is the best OS, unfortunately it is the last one too. I am not going to wait until 2015 or 2020 for Microsoft to get their act together, I have a career to maintain.

    Microsoft has turned the UI over to a bunch of marketing clowns chasing Apple and Google. I do not like this circus-type company anymore, Sinofsky and Ballmer need to get fired soon and get some serious and creative people at the top, enough we those “me too” mappets.
  • thebeastie - Sunday, March 11, 2012 - link

    I say you will be able to download a dodgey complete release in late July more likely August.
    But I dont think you will see a Tablet in a store with Windows 8 on it until December, part of my gauge for that is that MS stock price has gone up %25 in the last 3 months and its ALWAYS about the money when it comes to MS releasing important new revenue generating software, sorry to you naive tech heads.
    Just match the release dates in the past to their stock chart when its flat to dropping, it fits great, its that simple.
  • Robo2k - Sunday, March 11, 2012 - link

    ...and Microsoft tells you: "Your future computer experience: keyboard shortcuts"

    SERIOUSLY????

    I mean they did so many things right with Win 7, now they're talking a huge step backwards in time. With defacto nonexistent multitasking, keyboard shortcuts and a terrible waste of screen real estate.

    Never an OS has looked so damn stupid.

    Hopefully the many issues will be corrected util it goes gold.
  • jabber - Sunday, March 11, 2012 - link

    I must admit I never ever got into using shortcuts. Should I have done? I started using a mouse when I was 16 when I got a Mac 512k and thought I was supposed to use that for getting around. I found it far more useful than using the keyboard.

    Today I still only use the keyboard for entering text like I am now. The rest of the time its trackpad or mouse. I don't know any of my customers that use them either.

    Now I'm having to learn Windows 8 (well I'm going to have to support my customers aren't I going forward) and having to learn all the keyboard shortcuts.

    Just feels like going backwards.

    I guess my training/install costs will have to rise as it's going to take more than the usual 5 minutes explaining Libraries and Shutdown in Windows 7 migration.

    Plus at the end of the day...who wants to buy a Windows Tablet?

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