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So I've been searching the internet for advice on my next PC/Console monitor purchase and come across a good deal on the LG D2342P-PN. It's LED, got all three connectors I want and even 3D in 120Hz, which I didn't want but why not have?!

Then, I read some reviews and the biggest simple complain I read is that this monitor does not support 120Hz in 2D. Last time I checked 60fps was the speed everyone wanted their games to run in, which is the same as refresh speed of most monitors, but now we're aiming for, presumably, 120fps? Or is it 60fps in 120Hz, that we want? But still, why? Therefore:

What are the advantages of running a monitor in 120Hz in 2D? (general use, films and games)

I understand why 120fps in 3D is good (single eye flickering, whatever it's called, which in effect produces 60fps), but in 2D? Please someone explain! Cheers.

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closed as off topic by badp Jan 5 '12 at 15:25

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Please don't cross post to multiple sites - superuser.com/questions/374976/120hz-in-2d-whats-the-point –  ChrisF Jan 5 '12 at 15:10
    
Sure, I wasn't sure which one is the correct one. It's not purely about gaming nor hardware. Sorry. –  TomaszRykala Jan 5 '12 at 15:15
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Mods on one site can work with mods on other sites to migrate a question to the appropriate site. If you aren't sure where a question belongs, ask it just once, on the site you think is best, and it can be moved if it fits better somewhere else. –  Dave DuPlantis Jan 5 '12 at 15:43

1 Answer 1

up vote 2 down vote accepted

The frames per second of the game is different to the refresh rate of the monitor.

Higher refresh rates on the monitor give you a more stable picture - regardless of whether that picture is being changed by the computer at 60 frames per second or 1. When monitors were cathode ray tubes it was definitely the case that you could see flickering at 60Hz or even higher refresh rates so a 120Hz monitor would effectively be "flicker free". With LCD and LED displays this is less of an issue, but going to 120Hz could be beneficial, but it's unlikely.

However, it's more likely that it's because the monitor is operating in 120Hz anyway regardless of the 2D/3D mode.

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OK, so the 120Hz in 2D on a LED could be beneficial, but there is no evidence that it is? Why do people make such fuss about it in the reviews of this monitor I'd like to know. Are people just higher-number crazy, even if it doesn't bring any benefits with it? –  TomaszRykala Jan 5 '12 at 15:12
    
You can tell the difference between 60Hz and 120Hz. I don't know that it's a hardware selling difference, but you can tell. The smoothness even just with normal desktop interaction is obvious. –  Shinrai Jan 5 '12 at 15:20
    
@MyFaJoArCo - Er - that's what prompted the question in the first place. –  ChrisF Jan 5 '12 at 15:23
    
@ChrisF Apologies, I closed this question as there's really no point in having answers on both. You might want to post this on SU. –  badp Jan 5 '12 at 15:26

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