The graphics card in PCs converts video data into electronic signals and sends them to the monitor. The monitor accepts the graphics card signals and turns them into colorful images. The process happens fast enough to handle videos, games and other media. All standard desktop and notebook computers have some form of graphics card. Paying an extra graphics card price may give better performance boost for both gaming PC and general use desktop PCs.
|Brand & Model||Specification||Price|
|11 GB and Above|
ASUS GeForce GTX 1080 TI 11 GB Turbo Edition VR Ready 5K HD Gaming HDMI DisplayPort PC GDDR5X Graphics Card TURBO-GTX1080TI-11G
| 1582 MHz Boost Clock (OC Mode), GDDR5X 352-bit memory, 3584 CUDA cores, 11GB Frame Buffer
Auto-Extreme, aerospace-grade Super Alloy Power II components
GPU Tweak II, 1-year premium license of XSplit Gamecaster, Customizable backlit logo plate, Supports the latest DirectX™ 12 and GeForce max. resolution of 7680 x 4320, 5K Gaming and VR Ready with 2x HDMI 2.0 and 2x DisplayPort 1.4 to simultaneously connect VR headset and up to 3 monitors
|NVIDIA TITAN X 12 GB for Mac Pro 2008-2012 (graphics card upgrade KIT; 4K and 5K support)|| NVIDIA TITAN X upgrade for Mac Pro 2008-2012, 4K and 5K support. 2816 CUDA cores,Connectors: 1x Dual-Link DVI Port, 3x DisplayPort & 1x HDMI Port.
5120×3200 maximum digital resolution via DisplayPort @ 60Hz.
Full boot screen support. Up to four simultaneous screens.
|Nvidia GRID M40 J0X20A GPU 16 GB GDDR5 Accelerator Processing Card 796120-001 797638-001|| Memory size: 16 GB per board (4GB per GPU)
Processor cores: 640 per GPU, 2560 per board
Memory I/O : 128-bit GDDR5
PCI Express interface: PCI Express Gen3 ×16 system interface
HP Part numbers: J0X20A ; 796120-001 ; 797638-001
|6 BG to 8 GB|
|MSI Gaming GeForce GTX 1080 8 GB GDDR5X SLI DirectX 12 VR Ready Graphics Card (GTX 1080 GAMING X 8G)||Chipset: NVIDIA GeForce GTX 1080, VRAM: 8GB GDDR5X, Max. Resolution: 7680 x 4320, support 4x Display monitors. OpenGL version support-4.5, Input: 1x 6Pin PCI-E power connector, 1x 8Pin PCI-E power connector, output: DVI-D Dual Link, HDMI, 3x DisplayPort’s, 500W system power supply requirement; 180W power consumption|
|Gigabyte GeForce GTX 1060 Mini ITX OC 6 GB GDDR5 Graphics Cards (GV-N1060IXOC-6GD)|| 90mm cooler with 3D active fan
One-click Super overclocking
17cm compact card size
Boost: 1771Mhz/ base: 1556 MHz in OC mode
Boost: 1746 MHz/ base: 1531 MHz in gaming mode
|Gigabyte GTX 1050 Ti Windforce OC 4 GB GDDR5 128-bit PCI-E Graphic Card (GV-N105TWF2OC-4GD)||New NVIDIA pascal architecture, at 1080P @ 60 FPS, Support for the latest DirectX 12 Features, Delivers all the latest GeForce gaming Features.Card size-H=40 L=229 W=118 mm|
|2 GB and Under|
|ZOTAC GeForce GTX 1050, 2 GB GDDR5 DisplayPort, HDMI, Dual-Link DVI-D, Super Compact Gaming Graphics Card (ZT-P10500A-10L)|| Chipset: NVIDIA GeForce GTX 1050
Video Memory: 2GB GDDR5
Memory Interface: 128-bit
Connectors: DVI Dual Link, HDMI, DisplayPort
|VisionTek Radeon R7 250 SFF 1 GB GDDR5 (DVI-D, HDMI, VGA Graphics Card – 900702|| Graphics Engine: RADEON R7 250, Video Memory: 1GB GDDR5, Memory Interface: 128bit
DirectX Support: 11.2, Bus Standard: PCI Express 3.0, Core Speed: 750MHz (800MHz Boost)
Memory Speed: 900MHz x2
Every desktop and laptop computer needs a GPU (Graphics Processing Unit) of some sort. Without a GPU, there would be no way to output an image to the display. It’s a big question whether or not you need a dedicated (or discrete) GPU, which most people refer to as a “graphics card”. Technically, the graphics card contains one or more GPUs (Graphics Processing Unit as opposed to the CPU – Central Processing Unit).
Graphic cards use an architecture which is more suited for the parallel processing needed for image computation. The usual PC processor is somewhat of a pipeline. One command in, one or more data words in, some processing and an address and data out. A graphics processor handles an array of data in and out, with simple processing operations in between.
Gaming is the number one most frequent use of a discrete GPU. Many games are rendering 3D environments and special effects in real time and it takes some serious computing power to do it. Without a discrete GPU, rendering all of the special effects, shadows, reflections, etc of a modern game becomes too difficult a task for the limited processing power of an on CPU graphics solution. A discrete GPU helps greatly here.
Apart from gaming there are several industries specific applications (design, architecture, engineering, etc) are intensive on the graphics card, ideally, programs that use rendering like Photoshop, Bryce- Picture programs. 3d studio max, maya- 3d modeling programs. AutoCAD, SoildWorks, iDea- Cad type programs etc. A dedicated graphics card price won’t hurt you, but if you’re not gaming or using applications that need it, you’re not going to benefit either.
Games aren’t the only applications that benefit from the power of a discrete GPU. AMD’s and Nvidia’s GPUs are made up of thousands of processors that can carry out multiple operations simultaneously. Any application that benefits from such parallel processing—be it an image-editing program like Photoshop, data-encryption software, or a distributed-computing project like Folding@Home or Seti@Home—will run faster with the assistance of a more powerful GPU.
An integrated graphics processing unit (GPU) doesn’t use its own RAM; it utilizes the system’s memory instead. So, if you have a computer with 4GB of RAM, the video card can use anywhere between one and five percent of the available memory for graphics processing. Of course, this percentage varies depending on the size of task, especially if you’re multitasking or playing a game.
Pros and Cons of Integrated and Dedicated Graphics Card
|Integrated Graphics||Dedicated Graphics|
|Use less power||Slightly faster PC (Since dedicated graphics use main memory there is a slow down)|
|Smaller & cheaper||Cost a lot more|
|Perfectly adequate for most tasks||Nearly all modern games require them|
|Some Apps are significantly faster with them (Adobe Premier & Video encoding are examples)|
A graphics card is a set of computer chips on a circuit board roughly the size of an index card. The chips are dedicated to a single task: to take video data from the PC’s processor and convert it to signals for your monitor. Though most computers have graphics chips built into the motherboard, their capabilities are usually basic. Graphic designers, gamers and multimedia enthusiasts typically purchase more sophisticated graphics cards; these plug into the motherboard and deliver faster graphics processing and better image quality.
Graphics cards connect to a standard motherboard slot, such as the Peripheral Component Interface, PCI Express or Accelerated Graphics Port. The type of slot determines the speed at which the card communicates with the computer’s processor; the faster this happens, the more data they can exchange, resulting in an better image. In 2012, the PCI Express standard is the fastest, able to transfer up to 7.8GB per second. As with all computer technology, these standards evolve and improve with time.
The graphics card has one or more connectors that accept the monitor cable. Monitors have a few different standard cable types, including VGA, HDMI and DVI. VGA is the oldest standard, going back to the 1980s and supporting basic graphics with a resolution of 640 by 480 pixels and up to 256 colors. High-definition televisions and monitors use the HDMI connector. Currently, computer monitors have the DVI connector, which supports digital video with resolutions up to 1,920 by 1,080 pixels.
Producing accurate graphical images is a mathematically intensive task; each frame in a three-dimensional image simulation takes millions of calculations. A computer’s microprocessor is usually busy with other work, so the graphics card handles this. The card has a chip called a Graphics Processor Unit, a microprocessor specialized for video calculations. The GPU lets the computer’s main processor do its job, allowing the computer to run at full speed.
The graphics card’s GPU has its own memory, called Video RAM. It serves as a temporary holding area for video data as the GPU generates each image. Because the graphics card doesn’t need to share memory with the main processor, VRAM improves the computer’s overall performance. Because it processes hundreds of millions of bytes of video data every second, VRAM is fast and tends to be more expensive than standard memory.
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