Skip to main content

Questions tagged [5k]

5K resolution is horizontal resolution of about 5,000 pixels. The most common 5K resolution is 5120 × 2880, which has an aspect ratio of 16:9 and is about 14.7 million pixels (just over seven times as many pixels as 1080p Full HD).

Filter by
Sorted by
Tagged with
2 votes
0 answers
43 views

Can an iMac 5K's Display be overclocked to a higher refresh rate with the right display controller?

I was looking at iMac 5K models and found out that some people have successfully gutted them and turned them into external displays by installing a third-party display driver board, such as this one [...
pfropfen's user avatar
2 votes
1 answer
406 views

Recommendation for a Mac Compatible Display Port switch for a 5K Monitor

I have the following hardware: 2021 MacBook Pro (16 Inch) Apple M1 Max - Running macOS Monterey LG Monitor @ 5120x2880 Samsung Monitor @ 5120x1440 Answin USB C to DisplayPort, 6FT 8K USB-C ...
DavidT's user avatar
  • 141
3 votes
2 answers
861 views

Why no 3200x1800 resolution on an M2 MacBook Air on a 5K display?

My preferred resolution is 3200x1800 on a 27" display. For some reason, the new M2 MacBook Air does not offer this resolution, neither on an LG Ultrafine 5K, nor the Apple Studio Display. Using ...
d0g's user avatar
  • 4,002
1 vote
1 answer
3k views

My 4k monitor's "Default for Display" is allegedly only 1920x1080, does that mean I need to buy 5k monitor to get 2560 as default for display?

I have Mac Mini M1 and using LU28R550UQEXXP Samsung Monitor it is advertised as 4k (3840x2160) monitor. But on my Mac, the only way get 4k is to use the Scaled display to make it look 4k. Otherwise ...
arvil's user avatar
  • 113
0 votes
0 answers
31 views

iMac 27" 2017 Fusion drive only appears as HDD

I bought a 2017 5k iMac. It has a 1 TB FusionDrive, but the system only recognizes it as a plain HDD. I already tried to delete it in the disk manager, I reinstalled Monterey, but nothing changed. I ...
Andrew23's user avatar
1 vote
1 answer
506 views

iMac 18,3 with dual external 5K monitor

I would like to run a iMac 18,3 (Radeon Pro 580, i7 4.2 GHz) with two external 5K monitors (LG 27" 27MD5KL). In Apple's description (https://support.apple.com/kb/SP760?locale=en_US) I found: Two ...
captcoma's user avatar
  • 159
2 votes
1 answer
207 views

Running LG UltraFine 5k with additional low DPI screens

I have the following hardware: 2018 MacBook Pro 13'' LG UltraFine 5k 2 x ThinkVision 1920x1200 Ideally, I would like to connect these 3 screens to my MacBook Pro. I connected the LG UltraFine 5k on ...
Pierre Spring's user avatar
0 votes
0 answers
349 views

2009 Mac Pro with 2018 LG 5K Display?

I have a 2009 Mac Pro (flashed to 5,1) with a Sapphire Radeon Pulse RX 580 8GB GPU I acquired to support Mojave. The configuration has been happily stable since late 2018 and performed as expected ...
A Bowler Cat's user avatar
7 votes
1 answer
12k views

LG UltraFine 5K firmware update

I have an LG Ultrafine 5K (27MD5KA-B) monitor. I finally wanted to fix the volume issue and just found out that there should be a firmware update that is supposed to be installed through the LG Screen ...
Daniel Hepper's user avatar
1 vote
1 answer
1k views

memory footprint of 4k monitor on 2018 13" Iris 655

I'm thinking of getting a 2018 MBP 13" to connect two 4k displays simultaneously. I assume that once that happens, the system memory footprint is going to increase in order to buffer these displays, ...
mkk's user avatar
  • 153
1 vote
2 answers
1k views

MacBook Pro 2018 & LG UltraFine 5K Display Power Comsumption

I'm looking to purchase a new MacBook Pro and a monitor, and I'm currently looking at the 15" MacBook Pro (2018) with the LG UltraFine 5K Display. I'm fully aware that the MacBook Pro and the LG ...
clangers's user avatar
  • 111
2 votes
1 answer
740 views

5K external screen with 2015 15 inch retina MBP with Intel Iris Pro graphics

Has anyone tried whether Intel Iris Pro found in 2015 retina MBP is powerful enough to drive single 5K screen like Dell UltraSharp UP2715K or Iiyama ProLite XB2779QQS or Philips 275P4VYKEB or HP Z27q? ...
Jay Doe's user avatar
  • 41
1 vote
1 answer
1k views

5K Display (only one) and MacBook Pro mid-2015 DG Radeon 370x

Which 5k displays supports by my MacBook Pro mid-2015 with Radeon M370x and how it's done? Is some one saw articles or tests about MBP 2015 and 5k displays? Right now I'm replacing my two old fullHD ...
WujoFefer's user avatar
3 votes
1 answer
1k views

How to turn off retina resolution in iMac 5k?

I've started using many charts softwares recently. I open 5 charts at a time and my iMac 5k gets laggy whenever I do that. I checked with iStat Menus and it looks like my video card's ram is almost ...
Moon's user avatar
  • 4,525
4 votes
0 answers
780 views

No dual brightness control - 2017 MacBook Pro and dual LG UltraFine 5K Display

TL;DR Both 'dual' controls show in OS for brightness, but they both only ever control one of the two monitors. Basic Summary When I plug in dual thunderbolt displays, everything appears okay until ...
Vales Dunk's user avatar
2 votes
1 answer
2k views

Display Performance with two external 4K screens

Right now I am running two external 4K Displays (Dell) on a Dell XPS 15 Notebook with an UHD-Display (Geforce GT 750 M) on Ubuntu Linux. It feels a little bit slow. What can I expect if I switch over ...
Bernhard Zürn's user avatar
2 votes
0 answers
431 views

How to go higher DPI by lowering 5k iMac's resolution?

I started using 1440x810 or 1280x720 resolutions on my 5k iMac. I somewhat expected better quality because I thought it would be 2x Retina. It looks like that is not the case. I would like to know.....
Moon's user avatar
  • 4,525