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Anyone picking up the new Dell U4025QW (40" 5k/2k widescreen)?

Quick update.
So far, so good on my Dell U4025QW monitor. Again, using one of the 2019 style Mac Pros on my end.

I upgraded OSX to 14.4.1 without any problems....although I did do the update overnight and in the morning the screen was weird acting, I did a reboot and all was fine.

Anyone yet able to get 120hz refresh rate on a Mac?

Thank you in advance,

S
 
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serrano said:
Anyone yet able to get 120hz refresh rate on a Mac?
Click to expand...
setzer in the UltraWideMasters subreddit has researched and posted an excellent solution using BetterDisplay to set up 100Hz or 110Hz. His testing at 120Hz was unsuccessful/

I was stuck at the 60Hz limit on an M1 Ultra (regardless of DisplayPort, DaisyChained Display Port, USB-C to DisplayPort high quality cable, Thunderbolt 4) on 12.7.3. Now the U4025QW is working perfectly for me at 110Hz over DisplayPort on M1 Ultra. Should work properly on Pro/Max versions as well. Give it a shot. All the comments at reddit are positive.

If the thread disappears for any reason, let me know. I have all the primary materials saved locally and could repost them to MacRumors.

PS. Thanks to Mac owners' advice here and on Reddit, I've not upgraded the firmware from M3T101 to M3T102, nor installed any of the Dell add-on software. The built-in Apple colour profile seems to match the calibration of the monitor well. Even uncalibrated sRGB seems to be good enough for photo work (checking against past body of calibrated photos I know well). Eventually I'll custom calibrate my own U4025QW but for those who don't have calibration tools, calibration software and don't want to go down that rabbit hole just yet, out of the box looks good enough for even semi-pro work (sRGB only).
 
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foliovision said:
setzer in the UltraWideMasters subreddit has researched and posted an excellent solution using BetterDisplay to set up 100Hz or 110Hz. His testing at 120Hz was unsuccessful/

I was stuck at the 60Hz limit on an M1 Ultra (regardless of DisplayPort, DaisyChained Display Port, USB-C to DisplayPort high quality cable, Thunderbolt 4) on 12.7.3. Now the U4025QW is working perfectly for me at 110Hz over DisplayPort on M1 Ultra. Should work properly on Pro/Max versions as well. Give it a shot. All the comments at reddit are positive.

If the thread disappears for any reason, let me know. I have all the primary materials saved locally and could repost them to MacRumors.

PS. Thanks to Mac owners' advice here and on Reddit, I've not upgraded the firmware from M3T101 to M3T102, nor installed any of the Dell add-on software. The built-in Apple colour profile seems to match the calibration of the monitor well. Even uncalibrated sRGB seems to be good enough for photo work (checking against past body of calibrated photos I know well). Eventually I'll custom calibrate my own U4025QW but for those who don't have calibration tools, calibration software and don't want to go down that rabbit hole just yet, out of the box looks good enough for even semi-pro work (sRGB only).
Click to expand...
That's very cool. But it's pretty annoying that MacOS makes us do this hackie crap to get non-Apple monitors working. I had to do different (but similar) stuff to get HDR to work on my Dell 6K. At least that's sort of fixed in the latest Sonoma - but only sort of.
 
megastuff999 said:
Got mine yesterday. Using Mac Studio with M1 Max I am unable to get 120Hz via Tb to DP cable, or TB4 cable. Tried native 5K2K resolution and scaled and can only choose 60Hz as max
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I think there is an option on the monitor menu that you have to deactivate in order to squeeze the refresh rate. Does the text looks sharp enough? Any problem with scalation?
 
Ok, finally got mine (have been waiting for it for 2 months in Europe). The first surprise that it seem to get 120Hz (and even variable 48-120Hz) on MacBook Pro 16 2019. I did not believe it first, but different switches back and forth and tests do show that it is indeed 120Hz (got an MBP16M1 from work to compare - refresh rates looks similar on the monitor connected to the MBP2019 and the standalone MBPM1).. So does Radeon 5500M work better with refresh rates than M1 & M2? I got Sonoma 14.4.1 and now I am afraid to upgrade, since things seem to work nice out of the box. 😃
 
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Btw, I have noticed that the top left and top right corners have a pattern of 3-4 dots / sort of markings of the assembly on the glass frame outside of the screen. Since the markings are very similar from the left and from the right I assume it is normal, or is it only on my specimen?
 
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richard371 said:
Yes on 14.4.1 no issues just make sure you don't update the monitor FW.
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Just checking....

Have you by chance updated OSX to the latest 14.5 yet?

I figured I'd see if anyone had tested the waters with a new update that had this monitor...

I love mine so far...but, am hesitant to do updates hoping not to bork it.....

S
 
I have updated to 14.5 and did not notice any differences, all works fine for me (I did not bother with firmware update at all though - it says Firmware: M3T101 - I have no clue if this is new or old). So in short it works and can render 120Hz on 2019 MBP (but that leads to excessive fan noise which is annoying, so I am sticking to 60Hz until I get a better laptop).
 
Arise2B said:
I have updated to 14.5 and did not notice any differences, all works fine for me (I did not bother with firmware update at all though - it says Firmware: M3T101 - I have no clue if this is new or old). So in short it works and can render 120Hz on 2019 MBP (but that leads to excessive fan noise which is annoying, so I am sticking to 60Hz until I get a better laptop).
Click to expand...
Thats the original. I’m still on that fw I’d love to know if anyone is on the newer one released in march without issues.
 
so guys, received today after 1 month and half my 4025. I did EDID mods to enable 110Hz on MBP1 M1Pro, works well but I had an strange issue:

After wake up from sleep, monitor was back to medium resolution, became secondary (was primary before the sleep) and lost 110Hz mode. I had to reconfigure all stuff and reload EDID to get back faster refresh rate.

Anyone had same problem? Because it's an fresh monitor (build one week ago), firmware is already M3T102

Thanks in advance :)

EDIT: looks like that BetterDisplay should be always opened and option to auto-load EDID each time, otherwise it losts settings :\

I was thinking that EDID was permanet written on the monitor
 
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Is the physical height of the display area of this monitor comparable to a 27 inch or a 32 inch 16:9 monitor?
 
MikeDr206 said:
Is the physical height of the display area of this monitor comparable to a 27 inch or a 32 inch 16:9 monitor?
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Good question. This monitor is effectively a wider version of 4K 31/32 inch monitor. Screen height is exactly the same, PPI is exactly the same, just wider.

If you like running a 4K 31 inch monitor at 2560 x 1440 you will get a 3250 x 1440 monitor. If you like running a 4K 31 inch monitor at 1920 x 1080 (a little big but native retina 2x), you will get a 2560 x 1080 monitor.

What I do with mine is switch resolutions often (using BetterDisplay which manages switching and refresh rate much better) depending on whether I'm reading, writing or working in DxO PhotoLab or DaVinci Resolve (choose your own media applications).

Where this format (just as 4K 31 inch) lets one down is with PDF of A4 books. The height is a little bit small to be able to comfortably read books with small type.
 
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Hello everyone
First, I would like to express my appreciation for the insights shared about MBPs with M chips. Let me summarise the key points in this thread:
1) Macbooks with M1 (even M1 Max) – 100-110hz available but only with this stuff
https://www.reddit.com/r/ultrawidemasterrace/comments/1bciq31
2) Macbooks with M2/M3 (all of them or pro/max versions only?)—work well at 120hz without any extra configurations.
Is that right? I have an M1 Max MBP, so would it be better to upgrade to a new laptop with an M2/M3 CPU?
 
Just got this screen yesterday, and it is an impressive display compared to the older U3824DW i'm using at work.

I've got a couple of rather annoying issues though, and it sounds like i'm not alone but i can't find any good solutions.

The main issue is the resolution, the U3824 got a max resolution of 3840 x 1600 which has been great with both my M1 and M3 Macbook Air.

Since U4025QW got a 5120x2160 resolution and I can only change the resolution down to 3072x1296, or 2560x1080 for some reason. Both of these produce way to large UI (or to small when using the screen for 8+hrs)

I can manually change to 3840x1620 but it is shown as "low resolution" and the text is blurry when used.


Has anyone found a good solution for this on the normal M3 CPU?

I'm also only getting 60hz, but I haven't tried the EDID hack yet.
 
Ok..
not trying to re-hash all the information that’s been brought up here on this, but should I want this monitor to work with picture by pictures (Dell laptop from work with 16” M1 MBP), is that possible? Or only possible at the 60 hz refresh rate? Based on what I’m reading in here, if I were to upgrade my MBP to the M2 or M3 then I could get both up tp 120 hz…is that correct?
 
Coachdamon said:
Ok..
not trying to re-hash all the information that’s been brought up here on this, but should I want this monitor to work with picture by pictures (Dell laptop from work with 16” M1 MBP), is that possible? Or only possible at the 60 hz refresh rate? Based on what I’m reading in here, if I were to upgrade my MBP to the M2 or M3 then I could get both up tp 120 hz…is that correct?
Click to expand...
If you're not trying to rehash the thread, read the thread. It's all above in black and white, several times, including the Coles Notes version.
 
Hello,
I also joined the Dell U4025QW display lottery today as I just unpacked it and connected mine to my MacBook Pro 2019 via the provided Dell TB4 cable. Unfortunately I do not get a picture at all to the new Dell display. I already accessed the OSD via the Dell monitor buttons to manually switch to Thunderbolt 140W as the main input source and also switched "Auto Select" to OFF in the OSD. Both of these steps did not solve the original problem and the U4025QW stays pitch black...

Tomorrow I will buy the original Apple TB4 cable to test if the cable might be the problem.

After that I planned to order a 8K DP-to-USB-C Cable for further testing (although with that setup I won't be able to use the 140W charging function from DELL)

If that does not help either I will test the U4025QW next week with a Lenovo Thinkpad to further track down the root cause error to either a general DELL monitor failure or DELL-to-Macbook connection error.

I will keep posting the outcomes of this test series here, so that we all can learn more about the various cable combinations and outcomes of this intriguing but also very intricate DELL display.

Any other input or advices from you guys?
 
Can someone who owns this display post for me (us) the full list of the HiDPI scaled resolutions it supports on a Max/Ultra level CPU/GPU? I'm using an M3 Max MBP and I've given this a little bit of thought as I'm looking to maybe simplify my setup. Not too worried about the higher refresh rates... scaled HiDPI resolutions are more important to me.

Thanks!
 
Just picked this bad boy up. It came with the newest firmware already pre installed.

Using a M1 Max. When I Plugged this bad boy to into thunderbolt I initially only got 60 Hz. Was annoyed. No big deal because I fired up the SwitchResX app and created a custom 5120x2160 resolution using timings for Coordinated Video Timings-Reduced Blanking. Specifically (CVT-RB2). Dialed in 110 Hz. Saved the resolution and refresh rate.

And BAM Monitor runs at 110 Hz. With the M1 Max via thunderbolt.

Things I don’t like: I tried macOS VRR, but there’s ghosting effects if the display response time is set to Fast. Has anyone else experienced that ? Also, picture by picture mode (with two separate sources) the mouse auto switching when moving from one window to the next doesn’t reliably work. Has Anyone gotten that to work ?

Hopefully my experience helps anyone with a m1-series machine that initially couldn’t get more than 60 Hz. Also with switchresX, if the daemon is running in the background then when the system wakes from sleep, there’s no issue with the resolution changing or resetting to some other value. I am using HiDPi 3840x1620 @ 110 Hz.
 
richard371 said:
Most use 3840x1620. I use 3200x1350 as 3800 is just too small for my eyes. regardless the resolution of the monitor remain at the high native resolution so photos and everything looks just as sharp.
Click to expand...
At this scaled resolution of 3840x1620, the Dell U3824dw at native resolution (3840x1600) would be about the same. I have the latter and I am quite happy with it even if the DPI is slightly lower. The price is also more palatable.
 
I have an M3 Pro and M1 (not Pro or Max), and need a monitor that works for both. Is it really not possible to get 3840x1600 for the M1 with the U4025QW?

People that have tried both Dell U3824DW and U4025QW, did you notice a difference in sharpness?
 
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