General Question

victord66's avatar

Why does my dual monitor system use less memory than a single monitor setup?

Asked by victord66 (198 points ) January 8th, 2014

I have recently added a second monitor to my pc. Prior to this my system memory was running at about 70% usage. After installing the second monitor (using the same video card) my average memory usage has dropped to 35% (with the same number of applications open) Is this normal?

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8 Answers

DWW25921's avatar

My monitor has a built in graphics card. Maybe that’s it. It’s fancy. Most of the new ones have gadgets like that.

elbanditoroso's avatar

@DWW25921 has it correct. The monitor itself is doing more of the graphics processing, taking the load off of the internal processor.But going from 70 to 35% is a pretty marked change – I’m surprised that it made that much of a difference.

The other thing that strikes me is – if you were running at 70% memory use, you were doing all sorts of memory swapping to disk. Your machine must have been dog slow. Has your overall speed increased?

mrentropy's avatar

I’m just curious, but which monitors have a built-in video card?

DWW25921's avatar

@mrentropy It’s pretty standard with the new ones… at this point, I’d be surprised if all of them didn’t have it.

mrentropy's avatar

@DWW25921 I’ve never heard of it. Can you point me to a specific model?

DWW25921's avatar

@mrentropy I did a quick search on Google and a TON of stuff came up… Here’s the first one. http://www.pcworld.com/article/2085008/nvidias-g-sync-monitor-tech-makes-pc-games-look-smooth-as-silk.html

mrentropy's avatar

Mmmm. Okay. Thanks.

Silence04's avatar

Memory usage fluctuates greatly based on what you are doing and have done over the course of a few hours. How many programs you have open doesn’t matter that much.

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