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Prior to the current PCI Express slots, most peripherals were connected to a PC via PCI slots. PCI is a shared bus. These peripherals could have included a graphics card, a network 10/100LAN card, a sound card, a MIDI card etc. Intel first introduced boards that could connect a graphics card separately through a dedicated slot called an Accelerated Graphics Port (AGP).

So only a compatible graphics card could be connected there. This was done for performance/bandwidth reasons where AGP provided more performance/bandwidth when compared to a PCI slot.

However, with the introduction of PCIE, where lanes and generations provided leapfrogging performance, AGP was obviated on the platform as the cost of supporting an extra port outweighed the benefits of a universal standard slot that could accept any peripheral, not just graphics cards!

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Q: How does a PCI slot differ from an AGP slot?
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Related questions

What are the examples of expansion slot?

PCI, PCI-e, AGP


The AGP slot and the PCI express X16 slot are both designed for network adapters?

No.. AGP is the Graphics Port and PCI Express is Multi-Purpose..


Will a PCI card work in an AGP slot of computer motherboard?

The PCI video card should work, but you may need to change a setting in your BIOS to recognize it. Enter "setup" when the computer starts, and look for a setting about video options. There is usually a setting indicating to seek an AGP or a PCI video card upon startup. NO! A pci video card will only fit into a pci slot in a motherboard. Likewise an agp will only fit into an agp slot. They are completely different. Both of these above answers are right and wrong. PCI and AGP are two totally different standards, but as long as you have an open PCI slot, you can use a PCI video card and opt not to use the AGP (Make sure to change appropriate options in your BIOS.) ==Answer == Yes you can use a PCI card where the slot is avaliable, but if your motherboard has a slot for AGP cards it is worth noting that the systemboard was designed with AGP in mind. It offers a system bus direct to the prossesor for faster unhindered communication.Running a PCI card on a AGP board may and probably will slow down your system performance.


What is the purpose of agp slot?

An AGP slot is a post-PCI/pre-PCIx graphic card interface bus. It was a step up from the PCI video cards, but were phased out with the PCIx standard.


How can you tell your computer has a PCI express slot?

Its either shorter than pci or longer than pci and agp Its either shorter than pci or longer than pci and agp Its either shorter than pci or longer than pci and agp


What is A small expansion slot about the size of a PCI express x1 slot?

AGP


Will a PCI Express video card work on an agp motherboard that has PCI slot?

no. only on a pcie slot. buy a mainboard with such


Could an AGP graphics card work in a PCI slot?

No.


Can you upgrade your agp slot to pcie slot?

No. You will need to replace your motherboard to get PCI-E.


What expansion slot replaced the PCI and AGP slots?

pci express (PCIe)


What expansion slot would be used to install a video capture card on a new PC?

I believe you can get PCI, PCI-X or AGP video capture cards. Each card would need the corresponding slot, such as an AGP card would require an AGP slot.


Are AGP and PCI the same?

No, they are completely different. PCI is a general purpose card interface, AGP is specifically for video cards. Most often you will see an older machine that has one AGP slot and several PCI slots. Both PCI and AGP are out of date, you won't see any new motherboards or computers with AGP, and PCI is in 'legacy' status, that is, PCI slots are only included on motherboards to support older cards that the owner might have. The modern slot is PCI-e (which is incompatible with the older PCI)