Maximum resolution supported by GPU?


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I'm having trouble finding information about what resolutions HD4000 and HD7570M supports.

 

From several discussions it seems that HD4000 supports maximum of 2560x1440 @ 60Hz, so for example 3440x1440 is only going to work with 50Hz. I'm not 100% sure abut that though. Is there any way to calculate it? Then according to HP HD7570M supports 2560 x 1600 @ 60Hz, would I be able to get 3440x1440 at 60 Hz with that?

 

 

Below is from my laptop specs.

 

Graphics

Integrated Intel HD Graphics 4000

Discrete AMD Radeon HD 7570M, with 1GB dedicated GDDR5 video memory

 

DisplayPort

Supports resolutions up to 2560 x 1600, 30-bit color depth at 60 Hz, and full HD (1920 x 1080) monitors, 24-bit color depth at 120 Hz

 

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  On 28/11/2016 at 18:31, Andre S. said:

I would assume if it says max width = 2560, then it's not going to work at 3440x1440 at all because the width exceeds the maximum specified. 

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I found several threads where users were able to get 3440x1440 at 50 Hz from HD4000. Apparently GPU's allow higher higher resolutions if you drop the refresh rate.

 

Why I asked was mostly because I wondered if HD 7570M can handle 3440x1440 because it is more powerfull. Several sites say it can handle 2560 x 1600 but I haven't found anything directly from AMD. So if it can handle 2560x1600 at 60Hz, It would run 3440x1440 at 50 Hz, but could it do it at 60 Hz? I mean it has higher horizontal resolution but smaller vertical resolution. Is there any way to calculate how much bandwitch does 2560x1600 and 3440x1440 need?

  On 28/11/2016 at 20:04, Joni_78 said:

I found several threads where users were able to get 3440x1440 at 50 Hz from HD4000. Apparently GPU's allow higher higher resolutions if you drop the refresh rate.

 

Why I asked was mostly because I wondered if HD 7570M can handle 3440x1440 because it is more powerfull. Several sites say it can handle 2560 x 1600 but I haven't found anything directly from AMD. So if it can handle 2560x1600 at 60Hz, It would run 3440x1440 at 50 Hz, but could it do it at 60 Hz? I mean it has higher horizontal resolution but smaller vertical resolution. Is there any way to calculate how much bandwitch does 2560x1600 and 3440x1440 need?

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Honestly, I would've played with this before I posted. I own a Ferrari Enzo, it can do 200+ Mph, should I do that on streets 30mph or below? Probably not. There's a reason why they state x resolution at y refresh rate. I would rock 2560x1600 and call it good. 

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  On 28/11/2016 at 20:16, BinaryData said:

Honestly, I would've played with this before I posted. I own a Ferrari Enzo, it can do 200+ Mph, should I do that on streets 30mph or below? Probably not. There's a reason why they state x resolution at y refresh rate. I would rock 2560x1600 and call it good. 

Expand  

Yeah, don't try to ride your Honda like a Ferrari... Doesn't work...

Yeah I know. I was thinking of buying Dell 34" WQHD but if I can't get everything connected into it properly I'll just buy the 27" QHD.

 

I found this. 560 TI has maximum resolution 2560x1600 but it can also run 3440x1440 at 60 Hz.

 

https://forums.anandtech.com/threads/higher-refresh-rate-than-possible-with-dvi-d.2406268/

 

 

 

Also this from Apple about MacBook Pro (Retina, 13-inch, Early 2013)

 

Intel HD Graphics 4000

Dual display and video mirroring:
Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, at millions of colors

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