Reports of 4K 60p over HDMI using NVIDIA GPUs

[Sajeeth C.]

Update:
NVIDIA has now confirmed that Kepler and above GPUs can now output 4K 60p 8-bit with 4:2:0 Chroma Subsampling as of 340.43.

https://forums.geforce.com/default/...eedback-thread-6-17-14-/post/4245376/#4245376


Original Post:
There have been two separate reports of users getting 4K 60p over HDMI using the just released 340.43 Nvidia drivers. While both are reporting issues when using SLI, everything seems to be fine when just using a single card (SLI disabled).


Report #1
Display: Samsung UE40HU6900
GPU: 4x GTX Titan

http://www.overclock.net/t/1496500/swe-geforce-gtx-880-and-gtx-870-with-maxwell-arrives-in-autumn/110#post_22438222

Report #2
Display: Sony XBR-55X900A
GPU: 2x Titan Black

http://www.avsforum.com/forum/166-lcd-flat-panel-displays/1473062-official-sony-x9-xbr-55x900a-xbr-65x900a-owner-s-thread-334.html#post25084474


The forum mangled the links so either copy paste the URLs or scroll below to find working links.

If you have a newer 4K TV and Nvidia GPU you should give it a shot and report back.

For this to work, you need a 4KTV with a HDMI Rx chip that supports 18 Gbps HDMI signals. This should include most 2014 model 4K TVs.

 

[Scott Pultz]

There have been two separate reports of users getting 4K 60p over HDMI using the just released 340.43 Nvidia drivers. While both are reporting issues when using SLI, everything seems to be fine when just using a single card (SLI disabled).


Report #1
Display: Samsung UE40HU6900
GPU: 4x GTX Titan


http://www.overclock.net/t/1496500/s...#post_22438222


Report #2
Display: Sony XBR-55X900A
GPU: 2x Titan Black


http://www.avsforum.com/forum/166-lc...l#post25084474


If you have a newer 4K TV and Nvidia GPU you should give it a shot and report back.


For this to work, you need a 4KTV with a HDMI Rx chip that supports 18 Gbps HDMI signals. This should include most 2014 model 4K TVs.

Fantastic! I have a Titan that I would love to run this way. BTW your second link didn't work for me.

 

[Scott Pultz]

P.S. That Samsung is a great size but only available in the UK

 

[Blair S. Paulsen]

This is excellent news, unless of course you just bought a Radeon card - DOH - I just did ;-O

Cheers - #19

 

[Scott Pultz]

Not great motion handing, otherwise sounds like a good display:
http://www.hdtvtest.co.uk/news/ue55hu6900-201405233782.htm

 

[Sajeeth C.]

BTW your second link didn't work for me.

Thanks for letting me know. The links got truncated. I have updated the OP with the correct links.

Hmm the links are all bugged out now in the OP. You'll have to copy paste the urls.

 

[Sajeeth C.]

Working Links:

Report 1: http://www.overclock.net/t/1496500/...h-maxwell-arrives-in-autumn/110#post_22438222
Report 2: http://www.avsforum.com/forum/166-l...-65x900a-owner-s-thread-334.html#post25084474

 

[Sajeeth C.]

P.S. That Samsung is a great size but only available in the UK

That 40" Samsung 4K is may be coming out in late June for $999. I say may as hdguru pulled the article from their site and it is only available via Google Cache.
http://webcache.googleusercontent.c...ls-priced-from-999/+&cd=1&hl=en&ct=clnk&gl=ca

 

[Scott Pultz]

Sony has an X850B 48" display which might be small enough. Not sure if it has HDMI 2.0 or not though.

 

[L. Langer]

Sony has an X850B 48" display which might be small enough. Not sure if it has HDMI 2.0 or not though.

It apparently does support 4K/UltraHD @ 60Hz video signals via the HDMI but the product information states HDMI PC signal recognition is only up to 1080P @ 60Hz.

 

[Sajeeth C.]

The Good News
It's official for all Kepler and above cards.
https://forums.geforce.com/default/...eedback-thread-6-17-14-/post/4245376/#4245376

The Bad News
4:2:0 only. No support for RGB / 4:4:4. I suppose we will only see support for that in the 8xx series at the earliest.