Can an i7 6700k without a graphic card support dual 4k 60fps extended? non-gaming at all

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nsjb

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Hello everyone,

I am helping my wife build a desktop so she can work from home. She does not game at all. All she needs is a machine that she can program Java on. We do want dual 4k monitors setup because they really boost productivity.

My question is can an i7 6700k support dual 4k 60fps extended without a graphic card? I was reading some posts that say you can(http://www.tomshardware.com/answers/id-2760789/productivity-dual-monitor-build-suggestions-key-components.html)

We want to double check before we make the investments.

Also, will an i5 6600k be sufficient? Or do we need the i7 6700K 4.00 GHz 8M Processor Cache 4 LGA 1151 ?


Really thanks for your thoughts!

 
Solution
A


The Intel product page is a more than reliable source on the i5-6700k Specifications.

https://www.youtube.com/watch?v=hxgT7Q3n9iw

Early DEMO of the HD 530 running 3 4K monitors, with multiple 4K video playbacks running.

So in final, as long as your board has 2 Displayport 1.2 connections, and your monitors support displayport, the i5-6500k will run them fine.
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SoNic67

SoNic67

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The integrated Intel HD 530 can do max 4096x2304.
A so-called 4K monitor (UHD) means 3840x2160. Two of those make 7680 horizontal so you can see it won't work.
Max you can use with the integrated graphics are two 1980x1080 or maybe max 2048x1080 (DCI 2k).
For more options look at nvidia Quadro NVS lineup.
 
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nsjb

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Thanks. What if I add a GTX 750? Will that allow me to run two 4k monitors extended? If so, do I need the i7, or the i5 is sufficient?
 
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SoNic67

SoNic67

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Stop looking at gaming cards, they are not good for your 2D application.
Quadro NVS are made for wall screens and 2D apps.
Also i5 vs i7 question seems to be gaming oriented too. For what you want resolution doesn't influence the CPU. Productivity might be slightly better with i7 but that's related to the software you use.
 
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nsjb

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Thanks. Any specific one you would recommend?
 
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azathoth

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This is not at all how supported display resolution works, completely incorrect.

The supported maximum is the resolution PER MONITOR, not in total. Going by that logic even a GTX 980Ti can't support 3x 1080p. This is simply incorrect information.

That being said, a the Intel HD 530 is indeed capable of running even THREE 4K monitors at 60fps, http://www.digitaltrends.com/computing/skylake-can-handle-three-4k-monitors-at-60hz/

But you need to make sure you have the PORTS required to run these monitors available. (2x Displayport ports)

Even on the Product page for the I5-6700k, it states that 3 displays are supported maximum, with a resolution of 4096x2304 each.
http://ark.intel.com/products/88195/Intel-Core-i7-6700K-Processor-8M-Cache-up-to-4_20-GHz
 
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SoNic67

SoNic67

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Those where the rumours. Show me one working, mobo are not supporting that (or I don't know one). Even Intel has a note about that:
‡ This feature may not be available on all computing systems

Note that 4k HDMI is limited to 24 Hz.
 
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azathoth

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The Intel product page is a more than reliable source on the i5-6700k Specifications.

https://www.youtube.com/watch?v=hxgT7Q3n9iw

Early DEMO of the HD 530 running 3 4K monitors, with multiple 4K video playbacks running.

So in final, as long as your board has 2 Displayport 1.2 connections, and your monitors support displayport, the i5-6500k will run them fine.
 
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nsjb

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Thanks. This is the type of disagreement I was referring to at the beginning of the post. Do you have a motherboard that you would recommend that meet the requirement, but at the same time inexpensive for non-gaming purposes?

Your discussion is very helpful.
 
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azathoth

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I can't seem to find any motherboards that have TWO displayport outputs for 60hz function.
But any motherboard with a displayport, and most monitors with Displayport 1.2 input, are daisy chainable for 4K @ 30hz, which shouldn't be any issue as there won't be any high-end gaming anyways.

http://www.newegg.com/Product/Product.aspx?Item=N82E16813130892

I'm not terribly up to date on solutions for the best motherboard, but with an unlocked processor, and not really any requirements for anything extravagant this one should be fine.
 
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SoNic67

SoNic67

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I am working in a place that uses multiple 4K monitors, and always used Quadro NVS for that. The DP Daisy chaining is not working that great, there are limitations, reduced refresh rate is one.
Sure one can try to get by without a NVS card to start, but... Don't expect much.
 
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king3pj

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Buy why is a professional GPU necessary? It seems like a cheap, low powered GPU like a 750 Ti or 950 would be capable of handling this if Intel integrated graphics can. Throwing in a $100 GPU might be easier than trying to find a motherboard with enough display ports.

Edit: Looks like it might be tough to find a 750 Ti with two display ports. It is available on the 950 though.
 
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SoNic67

SoNic67

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Those professional cards have all the outputs needed, have the software (Mosaic) that helps you use the multiple monitors more flexible than what Windows allows, they are lower power and single slot, some are even low profile (because they don't have to worry about 3D gaming). And NVS are not that expensive like their big brothers. A dual DP port NVS that does 2560x1600 on each is just $81 here: http://www.newegg.com/Product/Product.aspx?Item=N82E16814133462&cm_re=quadro_NVS-_-14-133-463-_-Product

So... why not? Because we are used to think all trough the "gaming" googles?
 
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