4k Monitors with HDMI 2.0?

Hey guys,
So in my search for a 4k monitor, I've come across a bit of a problem. As you may know, HDMI 1.4 or whatever standard only runs at 4k 30fps. I've also read that if you run DP, it uses multi-stream, which can have some errors when settings reset. I don't want to go through that inconvenience. I already saw a 4k dell monitor with HDMI 2.0, but it lacks G-Sync. There is no budget.
TL; DR (Questions)
Are there any 4k HDMI 2.0 Monitors with G Sync?
Is G Sync worth it at 4k over HDMI 2.0?
Would 1440p be better to use for content creation/consumption?
 

a39232

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May 13, 2012
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I imagine it would be worth it just make sure you use a display port. 4k would probably be better for content creation better for edits and pixel surface area.
 

Eximo

Titan
Ambassador
Depends on the content. Presumably 3D content then? If you are making QHD content then a 4K monitor would be useful, since you could keep it in scale while having the menus from your software. If you are making 4K content, then a 5K monitor would probably be better for the same reason.

If you also want to game, hard not to recommend a high end 144hz monitor with G-sync. Though even the mighty 980ti can't actually achieve 144hz in all titles at maximum settings at 1440.
 
Thanks for your recommendations. I'm primarily going to be producing 1080P content, with a little 1440p on the side. I've been trying to decide if an ultrawide 1440p panel such as the predator would be the best balance between high resolution, but at the same time good gaming specs. Now, the main game I'll be playing is War Thunder, which I'm also making videos of gameplay on. The 980 Ti should be able to handle WT fine at 60 FPS 4k, so I'm not sure if I need G Sync for that. I've narrowed it down to either an LG Ultrawide, ROG Swift, Predator X34, the Acer Predator 4k Gsync 32 inch, or the Dell UP3216Q, which I've heard has amazing color reproduction, along with HDMI 2.0, 4k and IPS, but no G Sync. Any advice?