Conclusion: which Windows is best for gaming? Audio player loading… bit or bit? A more pertinent question these days is whether to install a bit or bit OS. Windows XP started the ball rolling with x64, but in truth the driver support was too ropey to make this a serious consideration — indeed, we couldn't get our test machine stable enough for testing in Windows XP x Vista and 7 are a different story though, and it's the bit versions that show the best performance in Far Cry 2.
Memory is one of the main driving factors in a move to a bit OS and as prices of RAM continue to drop, so that option becomes more and more appealing. In F ar Cry 2 , for instance, we saw an increase of two or three extra frames per second in-game, plus faster loading times for the actual games themselves, both for initial loading and for levels.
Factor in much smoother alt-tabbing and it's easy to see that the move to bit brings many benefits and no obvious downsides. If you're considering upgrading your operating system, you should check if your computer has a bit or bit processor. If you're not interested in the knotty, arcane details of computer architectures, suffice it to say that bit computers are faster and more efficient than bit computers because the processor can swallow and digest larger chunks of data with each bite.
The overall speed of a computer is determined by the number of bites it takes every second in other words, the famous clock speed, measured in hertz, megahertz or gigahertz and the size of those bites. Another key advantage to bit computer architecture is its ability to accommodate more system memory RAM. The old bit architectures could only address 3 GB of system memory or 4 GB depending on whom you ask.
Resource-hungry applications couldn't take advantage of the cheap and easy speed boost offered by adding more RAM to a computer. But bit architectures blow right past the 3-GB barrier, and they can theoretically address up to 18 exabytes, or 18 billion gigabytes, of system memory.
However, the operating system can also impose a limit on the amount of addressable memory. Those limits, though, are generally much higher than those of the comparable bit versions. Some versions of Windows Server, like Windows Server , are unlimited or nearly so in terms of how much memory they can utilize.
So upgrading to a bit platform will allow you to increase your system memory in most cases. If you are considering replacing your old computers to get better performance, you should probably upgrade to bit computers as long as your mission-critical software is bit compatible. Most computers sold today have bit processors, and more and more software is available in a bit version.
But it's important that you make sure all of the software you need to run your organization is available in a bit version so you can continue to use it. For nonprofits that manage many computers, an IT department might have trouble acquiring and supporting new operating systems, drivers, and applications. It's expensive enough buying the faster hardware, but getting a second set of software licenses for bit operating systems and applications might be beyond the means of an organization with a limited budget.
Upgrading from the bit version to the bit version of Windows requires that you reformat your hard disk, install the bit version of Windows, and then reinstall everything else that you had on your device.
Open About settings. At the right, under Device specifications, see System type. Select the Start button , right-click Computer , and then select Properties.
To install a bit version of Windows, you need a CPU that's capable of running a bit version of Windows. The benefits of using a bit operating system are most apparent when you have a large amount of random access memory RAM installed on your computer, typically 4 GB of RAM or more. In such cases, because a bit operating system can handle large amounts of memory more efficiently than a bit operating system, a bit system can be more responsive when running several programs at the same time and switching between them frequently.
To run a bit version of Windows, your computer must have a bit-capable processor. To find out if your processor is bit-capable, do the following. Select the Start button , and then select Control Panel. Can I run bit Windows applications under bit Windows 7? Virtually any bit Windows application that is supported on Windows XP can run unmodified under bit Windows.
The net result is that bit applications run seamlessly on bit Windows and, thanks to optimizations in current generation Intel and AMD CPUs, at or near full speed. The few exceptions to the WOW compatibility rule usually involve applications that rely on one or more proprietary legacy bit device drivers that have no equivalent bit versions. Note that the WOW concept is really nothing new. A similar technique was employed by the earliest versions of Windows NT to support legacy bit Windows 3.
Why is this? The bit versions of Vista and Windows 7 include the WOW translation layer for running bit applications see description above.
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