3840x2160, 60fps, low cost

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psymon
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3840x2160, 60fps, low cost

Postby psymon » Wed Oct 07, 2015 7:02 pm

Simply put, is there a cheap GPU or mobo that can do 3840x2160 at 60fps?

To expand on that...
I'm looking at getting a UHD (we're not saying 4k here) TV, and then plugging in a computer, because fuck TV license, and fuck 'smart TV'.
I've read that some UHDTVs can do 60fps, but that it requires HDMI 2.0 compliance.
I've read that the only GPUs with HDMI 2.0 are the latest and greatest from nvidia, but I'm trying to build a small and cheap box.
I won't be trying to render games on this box at UHD, or anything nearly that demanding.
But of all the simple tasks I do, I won't be able to tolerate 30fps.

Hope you can offer any advice.
Even a straight forward "No" to my first question.
Please do correct me if any of my understanding above is off.

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Re: 3840x2160, 60fps, low cost

Postby Freelance » Wed Oct 07, 2015 9:55 pm

If you're tied to HDMI2, then you're tied to nvidia AFAIK. The new geforce 950 does HDMI2, but might be lower if you've only been looking at the 960/970/980.

If your TV/monitor can do displayport it might widen your options
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psymon
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Re: 3840x2160, 60fps, low cost

Postby psymon » Wed Oct 07, 2015 11:31 pm

Freelance wrote:If you're tied to HDMI2, then you're tied to nvidia AFAIK. The new geforce 950 does HDMI2, but might be lower if you've only been looking at the 960/970/980.

If your TV/monitor can do displayport it might widen your options

I've struggled to find any TVs (50" and bigger) with displayport, but that would have solved all my problems.
Seems there's an adapter for display port to HDMI 2.0, so that should open up my options somewhat.

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Re: 3840x2160, 60fps, low cost

Postby psymon » Thu Oct 08, 2015 5:32 pm

Found this today.
Seem I may have to wait for what I want...
Q: Can I connect a DisplayPort 1.3 device to a new television that supports HDMI 2.0?

A: Existing DisplayPort source devices, such as PCs, already support HDMI televisions up to 1080p through the use of a DisplayPort to HDMI adapter. DisplayPort 1.3 defines new adapters that will enable DisplayPort source devices to support HDMI 2.0, enabling the support for 4K UHD with up to 60Hz refresh and up to full 24 bit color with the 4:4:4 pixel format. These adapters do not require the new HBR3 link rate, requiring only HBR2, but will depend on some of the protocols within the DisplayPort 1.3 Standard. Some DisplayPort 1.2a systems will most likely be upgradable through firmware to support this new feature. These new adapters will also be available in DisplayPort Alt Mode over the USB Type-C connector.

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Re: 3840x2160, 60fps, low cost

Postby Jani » Fri Oct 16, 2015 1:46 am

You will not get UHD 60fps over HDMI 1.4, you are correct you need 2.0.

Displayport isn't really a thing for TV, it lacks a lot of the crucial things HDMI does have, although the connector is very nice.


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