What's the difference between Vista 32bits and 64bits? If Vista 64bits is installed in 64bits computer, could the applications and games of 32bits also be installed in it?
To general users are certain to consider that since the current Windows of 32bits Edition is very good, why do they upgrade it to 64bits? Moreover, it will cost a lot of money for the incompatibility between 32bits hardware and 64bits hardware (mostly CPU and mainboard). However, what's the advantage of 64bits? Is it necessary for general users to upgrade system to 64bits?
The original intention of design for Windows Vista x64 Edition is not only to meet the demand of large memories in the fields of mechanical design and analysis, three-dimensional animation, video edit and creation, scientific computing, high performance computational applications, etc, but also to satisfy the requirements from the users of floating-point performance.
The 64bits computational performance embodies predominance in the fields of auto and airplane design, because it allows engineers to set up larger and more complicated models. Under the help of this system, engineers could use simulation software to analyze airflow, pressure and effect of auto and plane materials when heated, and then they could research and improve product design according to the results. Similarly, by 64bits computing, digit content originator (including three-dimensional animation designers, digital artists, and game developer) may greatly lessen the time of displaying three-dimensional model by digit methods. In the scope of scientific computing and high performance computing, Windows Vista x64 Edition is useful to the applications: oil and natural gas exploration, earthquake analysis, computing hydrokinetics, scientific visualization, etc.
To users who have reached the memory limit of 32bits system, Windows Vista x64 Edition could use AMD Athlon 64, AMD Opteron, Intel Xeon which supports SM64T, and Intel Pentium 4 which supports EM64T as the service platforms. Owing to the main difference between 32bits and 64bits computing of Windows XP is that 64 Edition can use more system memory, Windows Vista x64 Edition will initially support not less than 128 GB memory and 16-TB virtual memory. In the future, with the expansion of hardware function, the sustaining physical memory will increase correspondingly. Access speed of memory data is thousands times as the access speed on disk drive, in this way, it could greatly improve the application performance used in this more tremendous system memory.
The developer, with 32bits Windows skills, can comfortably and efficiently set up next application applied in Windows Vista x64 Edition. The developer will find this development environment is almost the same as Windows development environment of 32bits, and the Application Programming Interface (API) of Microsoft Win64 is the same as Microsoft Win32 API. Current API has been modified in the necessary places, which could make them reflect the precision on service platform. As a result, the program is simplified and learning curve of 64bits Windows code compiled by developers is shortened, which is just like programming 32bits Windows code.
Windows Vista x64 Edition could provide a single desktop to technique application and operation application, therefore, users of technique workstation needn't maintain PC for the operation application; at the same time, they could maintain individual workstation for vertex technology application. Most compatible 32bits applications in Windows will be operated "in former way" in subsystem (its performance is equal to 32bits Windows) of Windows Vista x64 Edition.
Windows Vista x64 Edition system could be added into the current network based on Windows, and could be administered with 32bits system by the same management tool, so the IT department could work more comfortably. The overhead costs of maintenance and management are reduced hereby.
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