Having two monitor screens at the same time is a very good experience. Especially is works very well for gamers who want to push out the best visual experience out of their monitors. Connecting a dual monitor requires two visual display cards.

You may use a single visual card and then connect it to the two monitors with the same slot. Also, the best thing to remember is to allow the two monitors connected together by the same wired connection and onto the same slot.

But how is your GPU affected when you have connected two monitors.

This article basically talks about this aspect. Just ponder upon the pointers given below to have a clear concept of how you should deal with a dual monitor connection.

Does Dual Monitor Use More GPU?

Dual monitors highly affect the performance of the Graphical Processing Unit. The presence of dual monitors lowers the rate at which the pictures are displayed on the monitor. This clearly signifies that GPU which is the only unit responsible for this purpose gets affected on a very large picture by the presence of dual monitors.

Think that if you would extend the playing of two or more videos on the dual monitor then the single GPU would have to send signals to the dual monitors and that also in synchronisation. This clearly addresses your question that dual monitor’s generally affect the working of GPU and thus the idea of enabling a dual monitor must be thought out twice.

You may use the technique of mirroring for a better visual experience. This might reduce your problem of making up the connections and then worrying about the connections and your system’s performance, this is clear that dual monitors increase the load on your GPU.

The next thing to keep in mind is that if you play the same range or quality of videos or movies on both the monitors simultaneously then it is increases the load on your GPU to ten-folds. However, if you play two different things on the two monitors then it won’t suppress the GPU so much because it now has to deliver different two different content to two different monitors at two different timing rather than at the same time.

Frequently Asked Questions (FAQs)

Does 2 monitors make your system lag?

Yes, running two monitors makes our system go slow. Its speed depends upon the processor and we know that a processor’s important component is the GPU. The GPU gets affected by dual monitors, so will the processor and thus it automatically will affect your system.

How many monitors can a GTX 1660 Super supports?

A GTX 1660 Super supports a maximum of 4 monitors with the minimum count to be only 1. 


The most important aspect is that of the motherboard. Yes, everything depends upon the utility of the motherboard. If your motherboard supports dual monitors then the GPU won’t get affected at all by the connections but if it doesn’t then the monitor will surely lag in functioning.

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