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Types Of Graphics Card - A Brief Guide

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Muhammad Afzal
Types Of Graphics Card - A Brief Guide

Graphics cards are used to display graphics on your computer.

There are many different types of graphics card, from the standard AGP and PCI-E format to more advanced PCIe or even Mini GPUs. Let's have a look at the different type of graphic cards available, what they do and who uses them.

AGP [accelerated graphics port] is an add-on component for PCs that allows high performance 3D rendering without burdening the CPU with all calculations. It was designed as a solution for gamers who wanted better resolutions while preserving good frame rates. Today it has been replaced by the faster PCI Express slot hence it is obsolete for high end gaming PCs but can still be found in budget computers or some laptops which don't require heavy processing.

PCI-E [Peripheral Component Interconnect Express]: It is an expansion slot designed for high end graphics cards. If you want to load a game and see beautiful details such as textures, lightning and water effects (when it rains) at 1080p or above, I would recommend this type of graphic card. It has the highest bandwidth compared to other types allowing better frame rates and faster rendering compared to others. This slot allows installation of multiple graphic cards in SLI or Crossfire configuration if your motherboard supports it and can scale up to x16 speeds which is plenty good enough for even highest resolutions available today. For instance: GTX 980 Ti or Fury X cards support upto 4096x2160 pixel resolution aka 4K (where you need at least upto 6GB of VRAM).

PCIE-E [2.x] is a bottleneck when it comes to graphics performance, don't buy this version for any gaming PC which demands high end performance. This type is typically found in entry level laptops but can also be found on some desktop motherboards with integrated graphic cards. It has a bandwidth of 250MB/s which is the same as AGP 8X, so I wouldn't recommend it even there where it's used because this type is obsoleted and not much better compared to its predecessor [AGP]. Its been replaced by PCI-E [3.0] version in many modern gaming PCs and laptops due to higher speeds and more efficient bandwidth utilization.

Mini PCIe [also known as mPCIe] is a format used in compact laptops and other mobile devices such as tablets / notebooks and USB dongles used for internet access. It has the same bandwidth and speed compared to standard PCI-E x1 but can be inserted directly into motherboards without any cables required - it's just a different physical connector which plugs directly on to motherboard via edge connector pins. This type of slot can be found on better quality modern laptops over traditional mSATA SSD slots which are limited to SATA speeds (max 6Gbps). Mini PCIe allows upto 10 times faster transfer rates thus allowing for usage of M2/NGFF SSDs or WiFi cards with speeds beyond gigabit ethernet.

mPCIe [1.x] is typically found on entry level laptops, with speeds up to 2GBs which is enough for its intended usage. If you are using this type of port then that means that your laptop can't have an HDD/SSD installed in it unless someone implements a mini PCIe to SATA converter circuit.

mPCIe [2.x] is typically found on mid range laptops, with speeds up to 10GBs which is enough for its intended usage. This type supports devices such as WiFi cards or M2 SSDs in performance ranges beyond SATA speed limits. If you are using this type of port then that means that your laptop can't have an HDD/SSD installed in it unless someone implements a mini PCIe to SATA converter circuit.

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