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I keep getting asked over and over again what are the best reasons for using Windows XP 64bit (mainly my fault for have a 64bit computer I guess.) Microsoft and hugh amounts of people have published. Microsoft have summed this up nicely

1. Premier performance
Windows XP Professional x64 Edition is a robust platform that offers premier performance that is unparalleled in the mainstream 32-bit desktop environment. Sixty-four-bit native applications can deliver more data more quickly, so memory-intensive applications can run more quickly and efficiently. Data in memory is accessed thousands of times faster than it is on a disk drive. Applications can preload substantially more data into virtual memory, allowing rapid access by the 64-bit processor.

2. Vast memory support (great for some games and grahics, flight sim and half life rock)
The key difference between 32-bit and 64-bit computing with Windows XP is that the 64-bit version can use more system memory. Windows XP Professional x64 Edition supports up to 128 gigabytes (GB) of RAM and 16 terabytes of virtual memory, so applications can run faster when working with large data sets. Physical memory support will grow in the future as hardware capabilities expand.

64-bit vs. 32-bit architecture
Address space 64-bit Windows 32-bit Windows

Virtual memory

16 terabytes

4 GB

Paging file

512 terabytes

16 terabytes

Paged pool

128 GB

470 MB

Non-paged pool

128 GB

256 MB

System cache

1 terabyte

1 GB

3. Optimized platform and improved collaboration
With Windows XP Professional x64 Edition, you can standardize your mainstream desktop computers with your high-end workstations, increasing performance, improving manageability, and freeing up IT resources. You can also improve information sharing and collaboration by using Microsoft productivity tools across your organization. Add Windows XP Professional x64 Edition systems to existing Windows-based networks and manage them alongside 32-bit systems with the same administrative tools that you already use, making life easier for your IT department.

4. Increased reliability and security for your most important data
Windows XP Professional x64 Edition is built on the Windows Server 2003 Service Pack 1 (SP1) code-base, and provides optimum security and reliability for business-critical desktop computing. Now you can experience the stability and security of a server product on your PC. Windows XP Professional x64 Edition can help protect you from many types of viruses that try to exploit data. Its improved memory support helps protect your system against malicious attacks, such as memory buffer overruns.

5. Opportunity for innovation
Most 64-bit computers can manage exponentially more data than 32-bit systems can. With Windows XP Professional x64 Edition you can design, develop, and interact with new applications, games, and tools that weren’t possible with older technologies. Windows XP Professional x64 Edition provides solutions for current and future use. It delivers more memory combined with the ease of use of the established Windows platform.

6. Greater flexibility
Windows XP Professional x64 Edition gives you a robust platform for the integration of 64-bit and 32-bit applications using the Windows on Windows 64 (WOW64) x86 emulation layer. You can move to 64-bit computing while still maintaining your existing investment in 32-bit software and Windows expertise.

7. Multiprocessing and multicore processor support (I await my new Ferrari Laptop)
Windows XP Professional x64 Edition is designed to support up to two single or multicore x64 processors for maximum performance and scalability.

8. Advantages for specialized, technical applications (for a technical guy why you shouldn't be with out it)
The performance of 64-bit computing offers advantages in fields such as automobile and airplane design by allowing engineers to create larger, more complex models. Engineers can use simulation software to analyze the effects of airflow, stress, and heat on the materials of a car or airplane, and then study the results to improve overall product design. Likewise, 64-bit computing benefits digital content creators, including three-dimensional (3-D) animators, digital artists, and game developers, who can significantly reduce the time they spend digitally rendering 3-D models. In the areas of scientific and high-performance computing, Windows XP Professional x64 Edition can aid in oil and gas exploration, seismic analysis, computational fluid dynamics, and scientific visualization, among other applications.

9. Single desktop for technical and business applications (for a technical guy why you shouldn't be with out it)
Windows XP Professional x64 Edition provides a single PC for technical and business applications, so you don’t need to maintain one PC for business applications and a separate workstation for high-end technical applications. Most Windows-compatible 32-bit applications run "as is" in a subsystem of Windows XP Professional x64 Edition, with performance comparable to 32-bit Windows. You can take advantage of rich integration capabilities and productivity tools on the Windows platform. Designers can build a model and easily share it with others in your company, copying it into a Microsoft Office Word document for the finance group or adding it to a Microsoft Office PowerPoint slide deck for the marketing team.

Note:  If you use only 32-bit applications and work with data sets that are no larger than 2 GB, you will find that 32-bit Windows XP Professional offers sufficient power for your applications.

10. Familiar programming model
Developers with 32-bit computing skills will be comfortable and productive in the 64-bit Windows environment, finding the development environments virtually identical. The 64-bit Windows development environment supports the same feature set as 32-bit Windows, including user interface and programming models, networking, security, graphics, multimedia, directory service, Plug and Play, and tools features. Many of the functions have been modified to reflect the computational precision of the platform on which an application is run. The result is programming simplicity and a short learning curve for the developer—writing code for 64-bit Windows is just like writing code for 32-bit Windows.

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charles aunger / "server based computing solutions" windows 64 bit, softricity, ericom, as well as citrix,

Posted on Monday, July 10, 2006 8:27 PM 64bit, ia64 and x64 Windows | Back to top

Comments on this post: Top 10 reasons to use Windows XP 64bit

# Top 10 reasons to use Windows XP 64bit
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You've been kicked (a good thing) - Trackback from
Left by on Jul 10, 2006 4:00 PM

# re: Top 10 reasons to use Windows XP 64bit
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Yes, maybe Xp 64 is a good thing,but eat the memory. When Microsoft used the feature of the cpu to make copy of DLL in memory space without using real memory, now, Windows uses all the real memory to load the application in memory. Even more, if an application use API to put something in the TASK BAR, the the application call SHELL32.DLL, and that dll calls MSVCRT.DLL and ADVAPI. SHLWAPI.. etc. If you write a single appliation with WinMain() {} in 64 bits, the application eats more and 5 M of memory...
Left by Yvon Blais on Mar 13, 2008 10:48 PM

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