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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  • yannigr - Thursday, March 15, 2012 - link

    May I say something here?
    Sorry for my English in advance.

    I don't know if your work at Anandtech is a full time job or more like an occasional work. When you see a site like Anandtech you think that this is more like a big company with full time employees not a site with people that come and go just to write an article, or a review, at their spare time with hardware that they buy or if they are lucky get from the big companies as a gift for a presentation/review.

    So when you are thinking Anandtech (and this is where maybe we misjudge you) as a big company you don't expect to read stuff that you read from a 16 years old kid in a small forum with 2-5-10 thousand members about his last review. I can not accept an excuse like this that you give. If you are in the BIGGEST and MORE RESPECTED hardware review site on the internet, and I don't think I am wrong here, you buy hardware that you also DO NOT LIKE or is not good enough for YOU. Why? Because that is your job or/and because you are writing for ANANDTECH not YannigrTech.

    When you have the time to fast-test 8 machines you try to find an AMD system and even if it exists a system with VIA hardware. I know I must be joking with the last one about VIA. Well, I am not. I do think that if there was a VIA system in there many would be posting about how they were surprised about that. Even if they where laughing at it's performance it would have been a plus for the review.

    Think a review many pages long about the next 3DMark only with AMD gpus because the reviewer don't find Nvidia gpus good enough. Many Nvidia fans would have been disappointed, to put it mildly.

    Anyway the first post was written just for fun, because I know that Intel don't only have the better hardware but also the biggest influence not only at hardware sites but in people's minds too. Between two equal systems most just choose Intel because it is an Intel.
    This post was whiten only because I was not expecting someone that writes for Anandtech to say that:
    I only have Intel, I am not buying AMD because it is just not good enough for me.

    Last. Thanks for the review. No joking here. It was interested and useful.
  • Andrew.a.cunningham - Monday, March 19, 2012 - link

    First, thanks for reading! I'm glad you found the review useful. Second, I want to try to answer some of your questions as to how AnandTech (and most new outlets on the Internet) work.

    Most writers who get paid are not working full-time positions. This is true both of independently owned websites like AnandTech, corporate-owned sites like IGN, or even big-time traditional publications like the New York Times. Most sites will contract freelancers rather than full-time workers both because of cost (freelancers are almost universally paid less than salaried employees and get no benefits) and administrative reasons (full-time employees mean that you've got to start paying attention to things like benefits and payroll taxes, necessitating a larger administrative staff to handle things like accounting).

    Different outlets handle things in different ways - at AnandTech, the pay is OK for contractors, and most of us can bother Anand himself if we have questions about a story we're working on. On other sites (to cherry-pick an extreme example, let's call out the Huffington Post), freelancers are sometimes paid nothing, and are rather compensated with "exposure" and clips that they could in theory use to land a paying gig later on. I think what HuffPo (and, really, any profitable publication that doesn't pay its writers) does is a scam and I've got some strong feelings about it, but that's not my main point - my point is that much of what you read on the Internet is being written by people who don't write on the Internet full time. At AnandTech, even the senior editors are contracted freelancers rather than full-time employees.

    Different people write for different reasons, but my goal is to make a living at it - I'm doing it because I love it, sure, but I'm also doing it because there are bills to pay. To do that, I cannot and will not spend $500 on hardware to use in a review that will earn me quite a bit less than $500. As anyone can tell you, that math doesn't add up, and since this is a review of the beta version of an x86-compatible Windows product - a product that looks and acts the same on any hardware that meets the minimum requirements - it's frankly not as important as a few of you seem to think it is. And that's all I have to say about it.
  • yannigr - Monday, March 19, 2012 - link

    I still believe that you should buy an AMD system. Not today or tomorrow but the next time you would need an extra machine. But that's me.
    Thanks for answering my post :-)
  • Andrew.a.cunningham - Monday, March 19, 2012 - link

    I'll look into it for sure. Trinity has my interest piqued. :-)
  • TC2 - Sunday, March 11, 2012 - link

    AMD?

    This isn't the point! Andrew Cunningham here hasn't downside. I want to ask, what is the problem here? The recent Intel CPUs a far superior than the amd cpus! And, if you want to know the best sides of W8 ... the amd just isn't the first choice ... :)))
  • silverblue - Monday, March 12, 2012 - link

    At the time Andrew got those machines, the best option across the board likely would've been Intel. The Atom build is thoroughly outclassed by Brazos but it simply wasn't available at the time.

    It's only really the past twelve months to fifteen months where AMD has actually had a viable range of mobile processors for netbooks and larger.
  • medi01 - Monday, March 12, 2012 - link

    Name something "far superior" to AMD A8 3850 that has comparable cost.
  • TC2 - Wednesday, March 14, 2012 - link

    Oops to daisies :) It would make a god to tears!
    You and all amd-fans, are very funny!
    When the conversation is about cores - "amd has twice than Intel" ?!
    When the conversation is about performance - "the cost isn't comparable" ?!
    When the conversation is about CPU - "amds APU is bla-bla..." ?!
    When the conversation is about benchmarks - "look look, the BD is almost like Nehalem (btw. 2 generations older)" ?!

    All those is UNTRUE!!! And remember well - I and many-many people doesn't give a shit about amds green presentations, cores and so ... We need fast CPU in ST as well as MT, and fast GPU! And believe me, esp. in professional segment amd got nothing significant :)))
  • chucky2 - Friday, March 9, 2012 - link

    I'd like for you to do an article on feature support of DirectX 9 cards under say Windows XP SP3 vs Windows 8. I know AMD dropped support for their DirectX 9 based cards before their 10.2 (Feb 2010 driver set), and then later belatedly added 10.2 as the last supported driver. My interest is in if they've dropped proper support of their cards in Vista/7/and now 8 rather than putting in the (very likely minimal) work to properly support them.

    Thanks for the article!
  • Andrew.a.cunningham - Friday, March 9, 2012 - link

    The 10.2 driver was only supported under Vista, but in my experience it works fine for Windows 7, which means it should work OK in Windows 8. One of the iMacs I tested on used a Radeon X1600 Mobility card - I installed the Vista-certified driver off of a Snow Leopard DVD and didn't see any crashes or instability, but your mileage may vary.

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