Vizio-M series 1440p @120HZ is possible. But I can't get it to work. please help

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Broc Kelley

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Dec 11, 2013
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According to a source at Rtings.com you can achieve 1440p at 120hz on a vizio m-series 4k tv, with an unspecified graphics card running on an unspecified driver utilizing an unspecified connector.

Here's the review: www.rtings.com/tv/reviews/vizio/m-series-2015

here's a breakout:
Will this TV support 1440p 60hz? I've heard of some TVs locking the refresh rate for 1440p at 30hz.
No. It only supports it at 30 hz.
Update: The Vizio M now support 1440p @ 60Hz and 1440p @ 120Hz.
Click to expand...

ctrl+f: "1440p" and you'll find it, they even updated their official review to show we can get 1080p and 1440p at 120hz.

When I go into the Nvidia control panel however, I can get 1080p 120hz to work, but not 1440p at 120hz. I can't even get 1440p at 60hz to work.

I use a zotac AMP! gtx 780.

Do I need to use a display port to HDMI adapter to achieve 1440p 120hz?

edit: the initial person testing did so on AVS forums, I tried register there to ask them how they did it, but the site refused to let me register..
 
Solution
getochkn
Yes, first of all you may need a displayport to hdmi 2.0 adapter, which are just coming on the market and a lot of the early ones didn't work. In order to get the full bandwidth needed for 1440@120, I would assume you need HDMI 2.0 to get there as 1.4 won't cut it.

That said, 1440p on a 4K TV looks crappy. It's not a perfect scale and thus either the TV does lots of scaling which slows things down and doesn't look the best. 1080p on a 4K tv is much better. It's exactly 4x the resolution, so every pixel from a 1080p signal is quadrupled for 4K, done.

I have a 4K TV and have played with lots of resolutions and 1080p@120 looks amazingly smooth at 120, and not super jagged at 1080p.

My opinion anyways.
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getochkn

getochkn

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Jul 2, 2006
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Yes, first of all you may need a displayport to hdmi 2.0 adapter, which are just coming on the market and a lot of the early ones didn't work. In order to get the full bandwidth needed for 1440@120, I would assume you need HDMI 2.0 to get there as 1.4 won't cut it.

That said, 1440p on a 4K TV looks crappy. It's not a perfect scale and thus either the TV does lots of scaling which slows things down and doesn't look the best. 1080p on a 4K tv is much better. It's exactly 4x the resolution, so every pixel from a 1080p signal is quadrupled for 4K, done.

I have a 4K TV and have played with lots of resolutions and 1080p@120 looks amazingly smooth at 120, and not super jagged at 1080p.

My opinion anyways.
 
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Solution
J

Java_co

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Nov 30, 2016
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To get 1440p 60 and 120 hz to work on the M series with a Nvidia card you must first go down to or set your resolution to 1080p @ any Hz. Then you will beable to create 1440p 60Hz and 120 Hz with the custom resolutions button in the nvidia control panel. It will use 1080p timings instead of the 2160p. If you try to create the 1440p resolutions with the 2160p timings it wont pass the test. To me 1440p looks much better then 1080p on my m50-c1. Really only use it for newer games that my video card can't push 2160p at decent frame rates.

This might not work with a HDMI 1.4 port , dont know for sure as I do have a HDMI 2.0 port on my video card. Thinking it just might since it uses 1080p timings
 
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