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Difference between 32-bit & 64-Bit

The terms 32-bit and 64-bit refer to the way a computer's processor (also called a CPU), handles information. The 64-bit version of Windows handles large amounts of random access memory (RAM) more effectively than a 32-bit system.

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The number of bits in a processor refers to the size of the data types that it handles and the size of its registry. A 64-bit processor is capable of storing 264 computational values, including memory addresses, which means it’s able to access over four billion times as much physical memory than a 32-bit processor! The key difference: 32-bit processors are perfectly capable of handling a limited amount of RAM, and 64-bit processors are capable of utilizing much more. Of course, in order to achieve this, your operating system also needs to be designed to take advantage of the greater access to memory.

Is 32-bit better for performance in gaming on 64-bit?

It depends on your system and how much RAM you have installed to whether or not you are going to see the benefit. This is because with a 32bit(x86) operating system your computer is only going to be able to use a maximum of 4gb. This cannot be said for when you have a 64bit machine it can use a far higher Ram profile. So if you are gaming with more than 4gb of ram than you are going to better performance running the 64bit operating system then you would with 32bit. for example running a 32bit operating system when you have greater than 4gb of Ram is like buying a 3 litre car and putting a limiter on it making it only be able to use 1 litre. This is not just limited to gaming though you are going to see benefit of using 64bit architecture doing heavy work load tasks