![]() ![]() The primary reason being that the GPU needs to fit in your case. Sometimes referred to as the form factor, your graphics card's size is important for many reasons. The TDP can also help you determine proper cooling solutions for your system as well. Luckily, most modern GPUs will give you a recommended power supply size in wattage on their box. Essentially, the higher the TDP, the more power that your graphics card will require. TDP. Speaking of power, the TDP or Thermal Design Power is a specification used to measure how much power a GPU draws and how much heat that will generate.Make sure when purchasing a graphics card that your power supply can properly connect to it. This need for more power is solved by connecting the PC's power supply directly to the GPU via a 6- or 8-pin power connector. Almost all dedicated graphics cards require more power than the typical 75 Watts a PCIe slot provides. This is important because cards can often have the same amount of memory but at different speeds, which can result in significantly different performance. Bandwidth or memory speed tells you how fast the RAM in your graphics card can function. However, there are other factors, such as memory speed, that also affect PC performance. Generally, the more memory, the better the card can perform. Modern games require cards with at least 4GB of memory, with 6GB or more being ideal for 1080p gaming on high settings. Memory. This is the amount of RAM (Random Access Memory) that your GPU features. ![]() Here are some of the most common terms you will hear and what they mean in regards to choosing a graphics card and your machine's performance. Some information is more important than others, but you should consider all specifications as you learn how to choose a graphics card. Many different specifications are used to describe graphics cards. ![]()
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