Posted July 27, 2016 I recently switched from 3 old displays to a dual-setup with a Benq XL2720Z (1080p, 144hz) and a Benq BL2710 (1440p, 60hz). The 1080p one connects via DVI-D and the 1440p (after getting a "no signal" with Displayport ) via HDMI. Now I encountered something really weird: When the 1080p is set to run at 144hz, the 1440p one feels reeeeally laggy. Scrolling and marking text for example has really noticeable delay, making the monitor feel very unresponsive. Setting the 1080p one (!) to 60hz gets rid of the issue. Oo (issue persists with 120hz) What's going on? How can the refresh rate of one display has an effect on the responsiveness of the other one? Any Ideas how I can address the problem? My rig: Display 1: Benq XL2720Z Display 2: Benq BL2710 VGA: Asus GTX 970 CPU: i7 3770 RAM: 16GB Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted July 29, 2016 Author On 27.7.2016 at 8:14 AM, ScootsMcgoots said: I dunno, but when I had a 144hz one an a 60 hz one dragging windows around looked supper laggy . yeah pretty much everything is very unresponsive. So here's my theory after researching a bit: Maybe the GPU cannot output two different refresh rates so that the 60hz monitor also gets 144hz. Why everything would get laggy and unresponsive - I don't know. Just a theory, don't know if it's true. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted July 29, 2016 When u see 144Hz and 60hz side by side then it does look super laggy because u got used to look at 144Hz and just realized how shitty the 60Hz is. Since u dont game on both u could connect that 1440p to your iGPU (if u have one) and let the 144Hz have the whole GPU for itself I notice that 60Hz is shittiest but I don't experience any unresponsiveness. Connection: 200mbps / 12mbps 5Ghz wifi My baby: CPU - i7-4790, MB - Z97-A, RAM - Corsair Veng. LP 16gb, GPU - MSI GTX 1060, PSU - CXM 600, Storage - Evo 840 120gb, MX100 256gb, WD Blue 1TB, Cooler - Hyper Evo 212, Case - Corsair Carbide 200R, Monitor - Benq XL2430T 144Hz, Mouse - FinalMouse, Keyboard -K70 RGB, OS - Win 10, Audio - DT990 Pro, Phone - iPhone SE Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted July 30, 2016 Author 20 hours ago, Thony said: When u see 144Hz and 60hz side by side then it does look super laggy because u got used to look at 144Hz and just realized how shitty the 60Hz is. Since u dont game on both u could connect that 1440p to your iGPU (if u have one) and let the 144Hz have the whole GPU for itself I notice that 60Hz is shittiest but I don't experience any unresponsiveness. It's definitely unresponsive. Very unresponsive. Also there's a very noticeable difference when I set both displays to 60hz. So it's unfortunately not the realization that 60hz is shitty compared to 144hz. I don't have a iGPU, but I couldnt use it anyway, because I use the 1440p for work where I need the cuda cores of the nvidia GPU. (mainly Adobe stuff, quite a difference to non-cuda) Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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