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- DIFFERENCE BETWEEN OFFICE 32BIT AND 64BIT 64 BIT
- DIFFERENCE BETWEEN OFFICE 32BIT AND 64BIT DRIVERS
- DIFFERENCE BETWEEN OFFICE 32BIT AND 64BIT DRIVER
While 32 bit programs and 64 bit programs are NOT COMPATIBLE with the other system (64 bit and 32 bit respectively), Microsoft writes their Operating Systems with a Hybrid architecture (Windows In Windows, or WoW). Non-compatibility: Some people believe that certain things will not work in 64 bit OS, etc. There are WAY more differences, some of which go way deep into computer architecture, and others that don't make a difference in performance. RAM limit is the only difference: This is obviously the most well-known difference, but is completely false. This is countered by being able to add WAY more RAM (I have never encountered a problem with 4Gb of RAM on my 64 bit system) I have been running a 64bit OS since Vista and have yet to find a program that doesn't work or hardware that doesn't have a 64bit driver.Ħ4 bit OS needs more RAM to operate (minimum of 2Gb for Windows), and programs slightly more RAM.
DIFFERENCE BETWEEN OFFICE 32BIT AND 64BIT DRIVER
In order for a driver to be WHQL-certified by Microsoft, there must be a 32bit and 64bit version of it, which has really helped in producing drivers.
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DIFFERENCE BETWEEN OFFICE 32BIT AND 64BIT DRIVERS
However, since Vista 64bit drivers have become almost as common as 32bit drivers. So 64 bit Photoshop can access up to 8Tb of RAM, while 32 bit Photoshop (running on a 64 bit OS) will still only be able to access up to 2Gb.Ħ4 bit drivers used to be harder to find. However, a 32 bit process still has the 2Gb limit. The addressable space for a 64 bit process is 8Tb. For Windows 7, the minimum RAM needed is 1GbĪ 64bit OS can address up to 8Tb of RAM (128 in 64 bit Vista, and 192Gb in Seven). A 32 bit OS has a lower memory requirement to run. Drivers for hardware usually have a 32 bit version, and there is usually not a problem with 32 bit drivers (finding or using). This means that 32 bit Photoshop can only ever access up to 2Gbs of RAM.ĭrivers are always a concern. The addressable space also applies to programs, giving a 2Gb limit of RAM to any one process. Some of this is then allocated to hardware devices, usually dropping the available RAM to 3.25Gb or 3.5 Gb. However, for the few pure 64 bit programs out (such as 64 bit Photoshop), there can be a substantial difference.Ī 32 bit OS can only address 4Gb of memory. This means that there will not be a large performance increase by switching. Most software today is written and optimized for 32 bit architecture. Memory (RAM) will get what is left over, and it is this is what takes usable memory in a 32 bit system from 4Gb of RAM to around 3.25Gb. Because the address space is limited, the more hardware you have, the more space is required to address them. Each device in the system is assigned an address, which takes some of this space. The big difference between 32 bit systems and 64 bit systems is the “Addressable Space”. The limit on 32 bit is 4Gb of RAM, whereas a 64 bit operating system (OS) can use up to 8Tb (128 in 64 bit Vista, and 192Gb in Windows 7). The most obvious difference between 32 bit and 64 bit is the amount of RAM the system can use.