We can’t say that what is difference between Motherboard and Graphics Card.
The motherboard is considered a computer component whose function is to connect all the components inside a computer case. It connects hard drives, optical drives, monitors, and other devices. Basically, it receives data and sends them out for display or storage. A motherboard’s architectural role in a computer system varies widely from one type of system to another but in general can be considered to provide the hardware interface, while the software drivers act as translators between devices and programmers. The motherboard is usually a basic part of a computer system but it has become an important factor in selecting a computer due to its numerous features.
The graphics card or video card is also an essential component in every computer, which is responsible for providing images on the computer screen. The graphics card in a personal computer is usually designed to work with a specific family of microprocessors, although some non-PC devices use similar technology. Graphics cards also contain RAM (memory) on the card which functions as video memory that can be swapped to main RAM if necessary. So basically it is the chip without which we cannot have any display on the screen. But if we talk about its features then it is responsible for enhancing all computer graphics. It also improves sound quality and it enhances video editing and gaming performance etc.
Video card plays a vital role in gaming, 3D applications, multimedia projects, home cinema systems for movies and videos as well as arcade games but they are limited to analog outputs. Most manufacturers now offer cards with HDMI or DisplayPort interfaces, with varying capabilities. The graphics card consists of a printed circuit board on which the components are mounted and it also contains RAM (memory). It is small in S but a vital part of every computer system.
A motherboard is comparatively larger than a graphics card due to the addition of several other components. The size and shape of the motherboard are basically determined by the ATX (Advanced Technology eXtended) standard which specifies a certain physical layout for motherboards used in personal computers and workstations. This standard, first published in November 1995, was updated to support Pentium 4 microprocessors in June 2001. Since its publication, several other proprietary standards and variants have appeared.
A motherboard is made up of many discrete components and thus it has a large size. The flexibility of the graphics board design means that even if one or more parts fail, the computer can continue to operate and only that part will be affected. With a motherboard failure, all the other parts suffer too. So we can say that the graphics card is smaller than the motherboard.
A motherboard usually includes a processor socket for the CPU and space to hold considerably more memory than can be installed in standalone modules. It also usually has one or more expansion slots to accommodate a range of peripherals. In contrast, cards are generally designed to connect directly to the motherboard with a single slot for each module.
Besides from above facts, both of them work together and play a major role in computer systems. We can say that they are two sides to a coin because one cannot work without the other so we can’t say that what is difference between a motherboard and a graphics card.
Occasionally you will see people refer to their motherboard when dealing with graphics cards, and one of two things are usually stated:
1) It matters in terms of quality vs performance
2) it doesn’t really matter.
Neither is entirely correct, because while there can be some truth behind both statements, neither apply universally.
Let me explain how they work together first:
Graphics Card + Motherboard = Better Quality & Performance
The RAM on the graphics card is actually separate from the RAM on your motherboard, which means that sometimes you could have a very high-performance graphics card with an outdated motherboard and not be getting the full potential out of it (assuming your RAM is still sufficient). This is why having a good quality motherboard (along with other components) can help give you better performance.
Graphics Card + Motherboard = No Difference in Quality & Performance
If your graphics card has its own hard drive then any information it processes will be stored there, so even if you are running something graphically intense on your computer that information isn’t being processed through the motherboard (unless it’s sending it over to your computer’s memory first). Therefore it doesn’t really matter what kind of board you have to store this information.