While a video card may have three ports on the back, it may only support two simultaneous monitors. The total number of ports does not reflect the maximum number of supported monitors on a video card. A video card that has two DVI ports and one HDMI port may only be able to support two monitors at the same time.
Is 2 monitors hard on GPU?
This study is far more comprehensive whereby they have not only tested several games, but have also tested different graphics card to check if dual monitor affect GPU usage. But the conclusion of the test is the same. There is very little to NO difference in performance when using a dual monitor while gaming.
Do I need 2 graphics cards for 2 monitors?
The simple answer to that question is a no. You do NOT need to have 2 graphics cards for 2 monitors. Almost all graphics cards these days, integrated or dedicated, support three more monitors. You do, however, need to have two ports on your PC in order to connect the two monitors.
How many monitors can my graphics card support?
Most graphics cards can support two monitors—for desktops, that typically means two independent screens can plug into the back of the PC. For laptops, the card can drive both the integrated display and one outside monitor.
