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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  • Andrew.a.cunningham - Friday, March 9, 2012 - link

    1) We'll probably do an analysis of that with an RTM version of the OS. I wouldn't expect it to change too drastically from a patched copy of Windows 7.
    2) Not guaranteed, but probably. When 7 was released, Vista got a Platform Update that added support for DX11, some WDDM 1.1 features, and a few other things: http://support.microsoft.com/kb/971644

    Windows 7 is still in its mainstream support phase, so I'd expect those updates to be available after Windows 8 RTM.
  • R3MF - Friday, March 9, 2012 - link

    many thanks Andrew.
  • Andrew.a.cunningham - Friday, March 9, 2012 - link

    Welcome! :-)
  • valnar - Friday, March 9, 2012 - link

    Isn't the fact that new Windows phone BOMBED in the marketplace enough reason not glorify this crappy GUI? The public has already spoken.

    And....what makes a good tablet or phone OS (touch screen) does not necessarily make a good desktop OS.
  • silverblue - Saturday, March 10, 2012 - link

    True, however everybody has differing tastes. I don't mind it, personally, and it's not as if the Windows 7 desktop has gone forever.

    As for Mango, it's not on many devices and hasn't been out long. I also firmly believe that it's the first flavour (sorry) of Windows Phone that Microsoft has truly taken seriously. Give it time. Had dozens of devices been launched with Mango yet sales been poor, I'd have been more inclined to agree with you.

    Touch screen technology has been around a while and it's about time that a mainstream OS had extensive functionality in this area.
  • Subzero0000 - Sunday, March 11, 2012 - link

    >Isn't the fact that new Windows phone BOMBED in the marketplace enough reason not glorify this crappy GUI? The public has already spoken.

    Well, that's exactly why they have to FORCE metro to their biggest userbase (Desktop PC). They want people to get used to metro, then hopefully people get attached to it and choose to buy tablet/phone with metro.
  • PopinFRESH007 - Sunday, April 15, 2012 - link

    +1

    This is where I think Apple's methodical, very deliberate, well thought out approach is going to win over a lot of people after Windows 8 launches. Microsoft already tried this in reverse order and it was awful until they instantly became irrelevant when the original iPhone launched. They crammed a mouse and keyboard OS into a crappy touchscreen phone and called it a day. Here they are cramming a touchscreen phone/tablet OS pasted on top of a desktop OS and figured out the least amount of work to make it possible to maneuver between the (what feels like) two OS's. When the review consistently has "There are actually two versions of..." you know you have done something wrong as an OS engineer.

    I've given Win8 a fair shake, I've really tried to give it an honest everyday usage to give it a fair comparison. I have a Lumia 900 and have been running the consumer preview since it came out. I'm really going the extra mile to give the Metro UI a shot, but it just doesn't scale to a desktop (In the way windows 8 implements it) very well at all. I've used Win8 on a very nice prerelease tablet and it works wonderfully. Microsoft should really take a step back and survey the industry and learn from what has been successful and what has had problems. The iPad is crushing the tablet market because it benefits (like many Apple products) from a halo of the iPhone, iTunes, and iCloud. Google has realized their misstep in segmenting the phone & tablet OS's and I think Microsoft will come to realize that a touchscreen tablet has more in common with a touchscreen smartphone than it does with a keyboard and mouse desktop PC.

    The thing about Metro is that it is very simplistic and *could* scale easily. Look at a Windows Phone 7 next to a Windows 8 Tablet and it's ability to scale is obvious. I think the real problem here is Microsoft is taking a Bold, half hearted, All-in, keep some chips in reserve, Go for the gusto, partially move to Metro. They cram it down your throat but don't believe in it enough to completely re-think the OS an move to it. I would like Windows 8 a whole lot more if it was a unified experience with Metro at it's center. The half ***ed cramming of two OS's with different UI's into one cup of tea is what really pushes me away from Windows 8. If they left the core of windows 7 under the hood so any windows 7 app's would run, and provide a simple framework for developers to create "live tile" shortcuts that plugin to the new services that Windows 8 will bring this would be a much better OS. If this is the future, GO FOR IT!! There should not be a control panel for "desktop" and a settings for Metro. There should not be Metro IE 10 and IE 10 for Desktop. If they built API's and service frameworks for developers to bridge Metro UI to C++ code and let developers design their software the best way that suits their needs there would be far better support. The Metro UI as a launcher for native C++ app's and HTML5 Metro apps would be great. This would be especially true if developers could push notifications and information to the live tiles for their app's. Imagine a multiplayer game like Battlefield 3 on Windows 8. On the Metro UI "Start" screen the Live Tile for BF3 would be alive with info from battlelog. So you could easily see if some friends are playing the game, or if there is new content/updates, etc... It would be like having the community features of Steam, without ever having to "Launch" anything. A quick glance at your games area of your Live Tiles and you could see who is online playing what games and quickly join in. The same thing would be true for a more professional app like Photoshop. Imaging if Adobe, using these types of API's could build in collaboration features tied into the Live Tiles & using SkyDrive. You could save an image in your skydive and share it to your fellow team members, then if there are changes and edits all of those peoples Live Tiles for Photoshop would reflect that new information. They have so much potential and are at a solid time to make the leap, the real leap to Metro with less risk. They have a solid "traditional" OS in Windows 7 that they could continue to sell. They also have the ability to really bring a new level of integration that has been absent from Microsoft products. Tie in Xbox Live like they did on Windows Phone 7, and integrate voice chat, the friend list, messaging, etc as system wide services. The list goes on and on with the amount of potential they have to make a seamless experience across all of their platforms from phone, to xbox to tablet to PC. It's sad to see this is the best they can do.

    As mentioned above, I think Apples approach of using services like iCloud to bridge your data from a mobile platform to a desktop platform is a better strategy. Really looking at each element of a mobile OS and thinking how that will work on a desktop with a mouse and keyboard; working to merge what makes sense and leaving out what doesn't. I think Apple is also failing at this to some extent as well. They should be working on unifying their "Store's" so I could make an app that when loaded on an iPhone would have the iPhone UI, when loaded on the iPad would have the iPad UI and when loaded on a Mac would have a windowed UI, and the store would serve up the correct parts of the binary depending on if it's on a mobile device like iPhone/iPad or Mac.

    /END RANT.
  • jabber - Friday, March 9, 2012 - link

    The feedback has been 100% negative. Really really bad. No question I haven't seen a normal PC user yet that likes it or wants to use it.

    The feedback for Windows 7 was 90% positive.

    Not looking good MS.
  • futurepastnow - Friday, March 9, 2012 - link

    The feedback from the two "normal" non-technical computer users I showed it to was very negative. I let them play with it with no instructions or advice, and they couldn't do anything. It's the least intuitive interface ever.

    Oddly (or not oddly), the most computer-literate person I showed it to figured he could get used to it, since he uses keyboard commands for everything and they still work. He thinks Microsoft are out of their minds, though.

    Perhaps that is Microsoft's problem, I wonder? All of their engineers, testers and QA people know all of the keyboard commands, which puts them in the 1% of computer users. Perhaps if they created a special version of Win8 for interface testing, which *required* mouse input for all actions, they'd seriously reconsider Metro.
  • Exodite - Saturday, March 10, 2012 - link

    I don't know, I'm a software engineer myself and I wouldn't touch W8 with a 10ft pole.

    I like the minor underlying enhancements to things like the Task Manager and File Transfer dialog, though nothing of that can even begin to make up for the UI clusterfuck.

    I run a multiple-display desktop system.

    I _like_ nestled folder structures and rely on it to organize.

    I prefer minimal clutter on the desktop, to the point the only application icons there are Chrome and MPC-HC, and half a dozen project folders. I also use minimal size icons.

    Huge icons in listings, and the enormous amount of whitespace they add, is wasteful and inefficient.

    I can't stand that good and intuitive UI elements like radiobuttons and checkboxes are giving way to touch-oriented dragbars, it just underlines wha ta gigantic step backwards the entire Metro experience represents.

    Perhaps you're right about technical and professional users being less impacted by the horrors of W8 due to being more comfortable with keyboard shortcuts than users in general, my personal experience isn't enough to say one way or another.

    On the other hand I'd argue that that particular group of people are least inclined to accept the changes because they very rarely have to. I don't have to use Windows as a development platform, I could quite trivially move to any *NIX platform of choice.

    And if Microsoft doesn't see the light before Windows 7 hits EOL I might as well migrate platform, at least I can set up the UI as I prefer that way.

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