Onboard graphics same time as graphic card?.

[skipper847]

When enabling on board graphics in bios and then you choose to duplicate display are you using on board graphics at the same time as your dedicated card?. So if I playing a game first on my NVidia card is on board graphics trying to play at the same time causing more heat etc?.

 

[Dirk Diggler]

In a word, no.

Your HDMI cable should be plugged into your GPU and I'm assuming you've installed the Nvidia driver?

 

[skipper847]

I am trying this for fun. Any way. I have display port into my NVidia card and monitor plus latest drivers. I have HDMI to HDMI connected to mother board and monitor. I set both onboard display and NVidia display to be both duplicate in windows 10 so it would act as one monitor. I turned the PC on with the Display port NVidia graphic card first. I started up city skylines and then once in game I changed to HDMI on my monitor which is plugged into motherboard. The graphics are set to max and resolution 1440p and both onboard graphics and NVidia graphics exact same performance. I thought that changing to HDMI using onboard that the performance would be a lot less.

 

[Orcvader]

Well the game is still using the Nvidia GPU since the game can't change GPUs on the go without restarting. It could be processing on the Nvidia GPU and then sending the display data over to the Intel one. Maybe use something like MSI AfterBurner to check GPU usages?

 

[Psycho Sonny]

I am trying this for fun. Any way. I have display port into my NVidia card and monitor plus latest drivers. I have HDMI to HDMI connected to mother board and monitor. I set both onboard display and NVidia display to be both duplicate in windows 10 so it would act as one monitor. I turned the PC on with the Display port NVidia graphic card first. I started up city skylines and then once in game I changed to HDMI on my monitor which is plugged into motherboard. The graphics are set to max and resolution 1440p and both onboard graphics and NVidia graphics exact same performance. I thought that changing to HDMI using onboard that the performance would be a lot less.

That doesn't sound right at all.

If your duplicating displays then you should be able to use both screens at the same time without needing to switch anything on or off.

Turn both screens on. Do both display the same image at the same time?

Have a look at performance when both screens are on. See if FPS is the same, etc.

 

[Dirk Diggler]

Yes, Afterburner will tell you which GPU is being used. If you're just experimenting then fair enough, but bear in mind you could end up with a CPU bottleneck if the integrated somehow managed to do some work alongside the dicrete card.

I am assuming you only have the one monitor here, with two cables going to it? If so, your experiment is pretty pointless TBH.