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Computer system requirements to Streaming HD 4K & HD 8K


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30 replies to this topic

#1 adriawa

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Posted 19 July 2016 - 09:44 AM

hi

 I would like to know Which Computer system requirements

 (like, power level of cpu, amount of memory, processing level of Graphics Card, storage level of Hard disk drive, internet speed requirements, & etc.)

 need to watch in Streaming of

 via media player of quality option of HD 4K via Computer Components of resolution of HD 1080P?

 without lag of streaming.

 second question

 The same question but to watch in Streaming of HD 8k, If I prefer to be ready for it this year.

 Thank you


Edited by hamluis, 28 July 2016 - 12:43 PM.
Moved from Buying New Computer to Internal Hardware - Hamluis.


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#2 Drillingmachine

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Posted 19 July 2016 - 10:00 AM

You mean watching stream or creating stream for others?

 

For 8K, you better wait for new video cards as current have no good enough connectors for 8K.


Edited by Drillingmachine, 19 July 2016 - 10:02 AM.


#3 adriawa

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Posted 19 July 2016 - 09:59 PM

watching.

But I mean to
watch of Display 4k via Computer Components to Screen Resolution of 1920x1080.
Like about upscaling.
like web site of You tube in quality option of HD 4K,
like this
https://www.h3xed.com/blogmedia/youtube-test-3840x2160-html5.png
but  via Computer Components to Screen Resolution of 1920x1080,
without lag of streaming.
second question
The same question but to watch in Streaming of HD 8k, If I prefer to be ready for it this year.
Do you understand me now?
thanks


Edited by adriawa, 19 July 2016 - 10:49 PM.


#4 Drillingmachine

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Posted 20 July 2016 - 04:15 AM

watching.

But I mean to
watch of Display 4k via Computer Components to Screen Resolution of 1920x1080.
Like about upscaling.
like web site of You tube in quality option of HD 4K,
like this
https://www.h3xed.com/blogmedia/youtube-test-3840x2160-html5.png
but  via Computer Components to Screen Resolution of 1920x1080,
without lag of streaming.
second question
The same question but to watch in Streaming of HD 8k, If I prefer to be ready for it this year.
Do you understand me now?
thanks

 

Watching 4K content on 1080P is downsampling. That makes some difference on games (Virtual super resolution/dynamic super resolution) mostly because it allows quite easily better anti-aliasing. Streaming is different thing. Assuming video quality is same, and 4K is downsampled to 1080p, difference is between very hardly noticable and non-existent.

 

Almost any modern GPU can support 4K resolutions so no problem from there. 8K support requires newest cards that have 8K capable output (DisplayPort 1.4), cheapst might be AMD RX 480.

 

In conclusion, you can easily do that with 4K but probably you will get worse quality because 4K requires much more bandwidth and so is probably packed much lower quality. Even with same quality, difference is minimal. So IMO 4K downsampling to 1080p is quite useless and 8K downsampling to 1080p is totally useless.



#5 adriawa

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Posted 20 July 2016 - 06:40 AM

How much memory needs for watch in 4K? & 8K?

 

&

It is important to me, first Suitable computer
so If I want to see 4K in Resolution of 1920x1080P
without lag of streaming Because of weak computer

so which computer is suitable that?
thanks


Edited by adriawa, 20 July 2016 - 07:02 AM.


#6 Drillingmachine

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Posted 20 July 2016 - 06:54 AM

How much memory needs for watch in 4K? & 8K?

 

Not much. 4K resolution 32-bit picture requires about 64MB memory. So about 1GB memory is enough to store 15 frames and it doesn't need to. So basically any modern PC system has enough memory for 4K. Same applies to 8K. It's more about GPU speed (and CPU speed if GPU acceleration is not working).



#7 adriawa

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Posted 20 July 2016 - 01:15 PM

It is important to me, first Suitable computer
so If I want to see 4K in Resolution of 1920x1080P
without lag of streaming Because of weak computer

so which computer is suitable that?
thanks



#8 Drillingmachine

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Posted 20 July 2016 - 02:43 PM

It is important to me, first Suitable computer
so If I want to see 4K in Resolution of 1920x1080P
without lag of streaming Because of weak computer

so which computer is suitable that?
thanks

 

As already stated, almost any modern machine is enough. There is one if though. If GPU acceleration is not working, then playback may not be smooth.

 

For example AMD APU A8-7600 with integrated graphics is enough. Where you can buy machine? I can select machine/parts if you have idea where to buy.



#9 adriawa

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Posted 20 July 2016 - 06:24 PM

I ask to use 4k via Downscaling

 

about modern machine What does that mean?

First my browsing speed was not weaker

but with my previous CPU of intel Pentium 4 dual core x2.7 GHz with memory of 2 GB

the Streaming HD 4K Does not display

but now with same browsing speed with CPU of intel core i3-4170 x3.70 GHz with memory of 8 GB

the Streaming HD 4K is display but with lag, so, how much more I need to strengthen my computer?

And which parts?


Edited by adriawa, 20 July 2016 - 06:42 PM.


#10 jonuk76

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Posted 20 July 2016 - 10:46 PM

I would have thought an i3-4170 could handle 4k decoding...  Is your internet connection up to it?  And have you tried watching downloaded or local content as opposed to streaming?  I can watch 4k Youtube content fine on my i5-4570k @ 4 Ghz, with CPU use barely getting above 30%.  However I get severe skipping every few seconds on some feeds.  It appears to be network related as allowing it to buffer (pressing pause and allowing it to download in the background) usually allows it to play smoothly.  I have a true download speed of 75 mbps which is more than enough, it seems to be Youtube which is the problem.


7sbvuf-6.png


#11 Drillingmachine

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Posted 21 July 2016 - 01:34 AM

I ask to use 4k via Downscaling

 

about modern machine What does that mean?

First my browsing speed was not weaker

but with my previous CPU of intel Pentium 4 dual core x2.7 GHz with memory of 2 GB

the Streaming HD 4K Does not display

but now with same browsing speed with CPU of intel core i3-4170 x3.70 GHz with memory of 8 GB

the Streaming HD 4K is display but with lag, so, how much more I need to strengthen my computer?

And which parts?

 

Your CPU/GPU (i3) is basically modern enough for 4K.

 

First check task manager how high CPU usage is during 4K playback. Also try with different browser.



#12 adriawa

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Posted 21 July 2016 - 06:35 AM

"Your CPU/GPU (i3) is basically modern enough for 4K".

& which CPU is basically modern enough for 8K?

about my GPU, How do you know which type of Graphics card I have, If I did not write it here ?

& how much Watt of power supplier should have for that?


Edited by adriawa, 21 July 2016 - 11:00 AM.


#13 Drillingmachine

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Posted 21 July 2016 - 01:00 PM

"Your CPU/GPU (i3) is basically modern enough for 4K".

& which CPU is basically modern enough for 8K?

about my GPU, How do you know which type of Graphics card I have, If I did not write it here ?

& how much Watt of power supplier should have for that?

 

Your CPU has integrated graphics and that is enough for 4K.

 

For 8K you need at least GTX 1060 and probably more powerful CPU depending video codec.

 

Power supply depends on other parts too than just CPU and video card.



#14 adriawa

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Posted 21 July 2016 - 01:37 PM

for 8K How to know how much power it's take any video codec?

 

What advantage do better to resolution with more refresh rate?


Edited by adriawa, 21 July 2016 - 01:43 PM.


#15 jonuk76

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Posted 21 July 2016 - 02:30 PM

Just to add to what I already said about network connection speed, I was able to stream this 4k video from Youtube at a bitrate of around 62 Mbps.  When I mentioned yesterday the frames skipping/pausing every few seconds, the connection speed was as low as 8 Mbps.  You can expect the bandwidth and processor requirements to double with 8k.

 

GRLxfk5.jpg

 

On my particular PC (using an R9-270), there is no hardware GPU acceleration of VP9 or HEVC.  It's no problem, the CPU is perfectly capable of doing it.  Some of the newest architectures, e.g. Skylake's integrated GPU, Nvidia GTX 10 series, AMD RX 480 do support hardware acceleration.  This will be more important in say HTPC's where you don't necessarily want a quad core 100w+ CPU.

 

 


7sbvuf-6.png





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