Looking for a monitor with high Hz at low resolution

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Krabban

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Jan 16, 2014
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I am wondering how to tell what amount of Hz monitors has at low resolutions. Most websites just display the maximum resolution and the respectable Hz, (ex. 1920x1080 - 75 Hz). I am wondering what Hz monitors can show at 1024x768. As you probably figured, this is for gaming, and the optimal would be 120 Hz at 1024x768.
So my question is, what Hz can a monitor display at 1024x768, when it can display 75Hz at 1920x1080, and is there a method for calculating this?
 
Solution
chris987
no, lower(interpolated) or not the hz of the monitor remains the same.the 640m can produce 120hz if the monitor olso can and the cable is a dvi-d dual link(120-144hz capable).dvi-d cables cant pass 75hz. overclockable monitors list can be found on the link i've posted previously .there arent much though and better preffer an, out of the box, 120-144hz capable.
http://www.newegg.com/Product/Product.aspx?Item=N82E16824236313
http://www.newegg.com/Product/Product.aspx?Item=N82E16824014370
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chris987

chris987

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Jun 10, 2013
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well on TFT panels things dont work like they did on CRT.! TFT panels have specific resolution and Hz that can output due to specific pixel count.so a lower resolution is achieved through interpolation, so the refresh rate remains always the same.
http://en.wikipedia.org/wiki/Native_resolution. there are some TFT panel that can (overclock), be forced to run on higher refresh rates.there are monitors that can actually run at 1080p 120-144Hz. also check this site has great info about monitor tech http://www.blurbusters.com/
 
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K

Krabban

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Jan 16, 2014
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Ok, so is interpolation like displaying ex. 800x600 "through" a higher resolution(the native resolution)? Its just that when I changed my resolution from 1680x1050 to 1024x768, my display went from being able to display 60Hz, to 75Hz. I Don't know the model of the monitor, but it's an semi-old Dell LCD. Would this be one of those displays that can be "overclocked"? Another question, if you would happen to know this, do you think a laptop with a GT 640M GPU would be able to display 120Hz on an external monitor?
 
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chris987

chris987

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Jun 10, 2013
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no, lower(interpolated) or not the hz of the monitor remains the same.the 640m can produce 120hz if the monitor olso can and the cable is a dvi-d dual link(120-144hz capable).dvi-d cables cant pass 75hz. overclockable monitors list can be found on the link i've posted previously .there arent much though and better preffer an, out of the box, 120-144hz capable.
http://www.newegg.com/Product/Product.aspx?Item=N82E16824236313
http://www.newegg.com/Product/Product.aspx?Item=N82E16824014370
 
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Solution
K

Krabban

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Jan 16, 2014
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I see! Thank you so much for your help, you definitely get a best solution! One last question, in regards to the cable-issue, would a HDMI-cable perform as good as a dvi-d dual link?
 
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K

Krabban

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Jan 16, 2014
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Allright, awesome! My buddy said he only has got AVG and HDMI, but I'll check with him again. Again, thank you very much for your help!
 
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K

Krabban

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Jan 16, 2014
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I have to bother you with just one more question, as I can't seem to find a straight answer out there. It seems that this is the HDMI-version of 640M, and you are saying that it IS possible to get 120Hz with a HDMI - DVI adapter, given that the laptop screen is off, and the monitor supports that refresh rate?
 
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chris987

chris987

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Jun 10, 2013
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the adapter exists but since the nvidia 640m hdmi is 1.4a wont be able to ran the 120hz pass though dvi cable. dvi to hdmi 1.4b cable would do the trick, based on the info we got. you can always try though, i havent tryed myself. im pretty sure it wont work though.
 
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