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How to Choose the Right Monitor

Written on February 12, 2018 by Jeff Stubbers
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Introduction

While at first it may appear to be an easy thing to do, choosing a new monitor can be a daunting task. Additionally there are some terminology you should know. "What?", you say... "All I should have to worry about is how big a monitor I should get, right?" Unfortunately, no.

There are so many options that it can make one wonder, "What is the best monitor for me?" I hope to make this task a bit easier by narrowing down and defining some key features to be mindful of, because if you aren't, you may regret it later.

Physical Size

OK, so this IS something to consider, but certainly not the last. Fortunately, this is also the easiest to understand. The listed size of the monitor, like with home televisions, is measured diagonally from one corner of the screen to the opposite diagonal corner, excluding the outer bezel. The physical size of the monitor is important not only to make sure you have the physical size necessary on your desk to accommodate the new screen, but also because the physical size of the screen works in concert with Screen Resolution to dictate Pixel Pitch, which indicates the size of each pixel on your screen. This relates to how large the text on your screen will appear (at default settings). If you have a high screen resolution, but smaller physical size screen, the pixels will be very small, making default text size very small and harder to read. There are ways around the text being too small, such as increasing the text size through your OS settings, however, doing so sort of defeats the purpose of getting a higher screen resolution monitor. Along with increasing the size of the text, this also causes you to create a larger program window to accommodate the bigger text, thus giving you less work space.

Screen Resolution

The screen resolution dictates how much work space you have on screen. The most common screen resolution today is 1920x1080. Other common resolutions are 2560x1440, or 3840x2160. Ok, very nice, but what does that mean? Screen resolutions provide you the area or work space of your screen. When you see a 1920x1080 resolution, the first number, 1920, indicates there are 1,920 pixels in a horizontal straight line from left to right on your monitor. The second number in the resolution, 1080, indicates there are 1,080 pixels in a straight line from top to bottom on the screen. If you multiply the two numbers 1920 x 1080, you get the total number of pixels on the screen: 2,073,600 pixels. The 2560x1440 screen resolution will have 3,686,400 total pixels on screen, and a 3840x2160 screen resolution will have 8,294,400 total pixels on screen.

Pixel

Screens are made up of thousands of pixels. Pixels are 2-dimensional squares that display a given color in order to represent an image. When you see an image on screen, it is made up of many pixels working together to represent the whole image. Some of you may have created an image in art class by tapping a pen on paper, creating several dots to represent a larger whole image. This is similar, but instead of round dots made by a pen using a single color, pixels are square in shape, and can display one of thousands of different colors. You may be asking, if pixels are square, how is it possible that I see images or text with curves? Curves in images are made through a fancy term called anti-aliasing.

Anti-Aliasing

Anti-aliasing is a process of smoothing rough edges by using pixels that blend colors between the subject and background, to give the illusion of a curve, or smoother transition. For example, if we zoom in on text, such as the "o" to the right, we will see anti-aliasing in effect to make text and curves look more natural. This also magnifies the pixels, showing their square shape.

Pixel Pitch

Pixel Pitch refers to the density of pixels on a screen. It is the measurement of distance between the center of two side-by-side pixels. The smaller the pixel, the smaller the distance between the center of those pixels gets. Pixel Pitch decreases in size as the pixels get smaller. It is worth keeping in mind that smaller Pixel Pitch means smaller pixel size, and that will result in smaller text that you will have to attempt to read on screen. So it is possible to have too small a Pixel Pitch for easy reading. Yes, one can overcome this by increasing the font size through an application or the OS, but then you start to defeat one of the purposes of a high resolution screen, which is to allow you to have multiple program windows open side by side without overlapping. For many folks a Pixel Pitch of .277 mm or larger is fairly ideal for reading text. A Pixel Pitch of .277 mm is common on a 24-inch screen with a 1920x1080 screen resolution. If you moved to a 27-inch screen with a 1920x1080 screen resolution, it would increase the Pixel Pitch to .311 mm, reflecting the individual pixels getting larger on the screen, and the distance between the center of side-by-side pixels getting farther away (increased Pixel Pitch). With increased pixel size, text will be larger, as each individual pixel making up a letter is larger.

8-bit or 10-bit?

Monitors can have a different number of colors they are capable of displaying, as noted in this 8bit vs. 10bit publication. Monitors capable of displaying more colors will list with 10-bit, or 1.07B colors (That's right, 1.07 Billion colors) in the monitor specifications, and an 8-bit monitor will be listed as something akin to 16.7M colors, or "8-bit." For the majority of folks, 8-bit, or 16.7 Million colors will be plenty. However, for those who work professionally with color correction, using a 10-bit monitor with 1.07 Billion colors and a workstation class graphics card (Nvidia Quadro / AMD FirePro) would be the way to go.

Professionals are advised to be aware that there are some monitors that list a 1.07 Billion color Look Up Table (LUT), but do not have true color representation. These monitors are know as 8-bit + FRC. For those not aware, 8-bit+FRC (Frame Rate Control) monitors are 8-bit monitors that essentially fake the output of a 10-bit monitor by flashing two colors quickly to give the illusion of the color that should be displayed. For example, if the color that should be displayed on the 10-bit monitor is color reference number 51 in the Look Up Table, and an 8-bit monitor is only capable of displaying color number 50, or 54, an 8-bit+FRC monitor would flash the display of color number 50 and color number 54 quickly enough repeatedly in an attempt to fake the human eye into thinking it is really color number 51. To do this the 8-bit+FRC monitor would flash between color number 50 for 75% of the time, and color 54 for 25% of the time, to give the illusion of color number 51, similar to how moving pictures work to give the illusion of motion. If color 52 in the Look Up Table needed to be displayed, instead of simply displaying that color like a true 10-bit monitor could, an 8-bit+FRC monitor would flash between displaying color number 50 for 50% of the time, and color number 54 for 50% of the time. To represent color number 53, as you can imagine by now, the 8-bit+FRC monitor would flash between color number 50 for 25% of the time, and color number 54 for 75% of the time to give the illusion of color 53, as opposed to a true 10-bit monitor which would be able to simply display color number 53.

Inputs & Cables

Equally important to the other factors listed above when considering a new monitor, are the inputs available on the monitor and which cables come with the monitor. After going through the work of selecting the proper sized monitor and screen resolution, you wouldn't want to be stuck with a monitor that could not physically connect to your system. As you know, not all monitors are equal. Some monitors may include four common connections types of VGA, DVI, HDMI, and DisplayPort, whereas other monitors may only offer one connection type. This is important to be aware of in your search, as you want to make sure that you have a monitor that has compatible inputs for the outputs available on your graphics card or system so you can connect them. If your system and monitor have all connection types available, the best connection type to go with at this time is DisplayPort, followed by HDMI, then DVI, and lastly VGA.

Besides having a monitor with inputs that match the outputs of your system or graphics card, it is also worth being aware of the cables that come with (or do not come with) your monitor. Again, some monitors may come with every cable for each connection type available on your monitor, where others may only include one cable type even if the monitor includes each input connection type. You don't want to be stuck attempting to connect your monitor only to find out the monitor you chose did not include the cable you needed. So just check the monitor specifications to see which cable(s) comes with that monitor. Having to make an extra trip to pick up the cable you need, or waiting to have one delivered can seem unbearable when you are ready to start up your exciting new system. To connect a monitor to your system you never want to use more than one cable per monitor with the current exception being the Dell 8K monitor which requires 2 DisplayPort cables.

I hope this guide helps you when looking for a new monitor!

Tags: Monitor, Size, Screen Resolution, Pixel, Anti-Aliasing, Pixel Pitch, 8-bit vs 10-bit, Inputs, Cables
Niko Nikolov

I was hoping to see a answer about best workstation scenario screen.For example 4k sounds cool but something tells me that modeling at 4k res is going to be a nightmare trying to select those small vertex points one by one.Maybe 1080p(or 2k)is the limit for the human eye if it comes to precise modeling and switch to 4k only when texturing??

Posted on 2018-02-15 13:30:38

I think that comes down more to pixel pitch (as discussed in this article) rather than resolution. Sure, a 4K monitor that is only 24 or even 27" diagonal will have such small pixels that it may be hard to select small points accurately... but a 40" 4K screen / TV would be much more usable in that regard. I know folks who use 40-50" TVs as monitors for similar reasons: you get a lot more screen real estate, while the pixels remain similar in size to what a more traditional HD monitor would have.

Personal preference also plays a large role here, along with individual eyesight.

Posted on 2018-02-15 15:50:30
TheVeryFineNerd

wait can't you just scale up the vertex points a bit in your preferences? but what about viewport performance in generell. It's already awful in full hd on the maschine I am currently working on. not a puget system though ;)

Posted on 2018-02-15 16:02:15

May I ask what software you are referring to, TheVeryFineNerd? I've actually been looking at SOLIDWORKS performance recently, and trying to find a better way to test / measure / report viewport performance. Any input in that regard, for that or similar software, would be of interest to me.

Posted on 2018-02-15 16:18:34
TheVeryFineNerd

oh I'm working with cinema 4d but I guess the problem is probably the cpu, because it's a 6core 5820k. the higher clocking 4k iMac of my colleague handels the same scenes way better

Posted on 2018-02-15 16:32:42

Gotcha. I'm actually hoping to do Cinema 4D testing later this year, so your info is helpful. In other applications, I would say that the CPU's clock speed has been found to be a big factor in viewport performance. The GPU can be as well, in some situations, depending on the program and the complexity of the models being viewed.

Posted on 2018-02-15 16:42:29
coynatha

Naah, it's the other way around IMO. I find it harder to pick edges and vertices on a low res screen, especially with a high DPI mouse. The cursor will literally "jump" pixel to pixel, over the vertex or edge I'm trying to grab.

I've heard it gets even better with high refresh rate monitors, to the point you never want to go back to 60Hz after feeling how smooth the mouse cursor gets.

Posted on 2019-01-11 21:27:04

For gaming and work which one is better ? IPS or the older TN panel ?

Posted on 2018-02-24 14:48:10
pillybilly

Gaming and work are 2 different things.

Posted on 2018-02-28 13:15:07

For gaming, many prefer TN panels because of their shorter (usually) response time. If you are playing games where milliseconds matter, like a twitchy first person shooter, that may be beneficial. Personally, though, I prefer the way IPS panels look - and in the games I play, a few extra ms doesn't matter.

Posted on 2018-02-28 16:40:44
Issac Roberts

Any insight into user preferences when using SolidWorks on a 34" 21:9 QHD? It seems like most monitors that size are curved especially Dell's line up, but it's not clear whether or not the curved screens would affect straight line perception.

Posted on 2018-02-28 11:27:54

The whole idea with curved ultra-wide monitors is that it should help keep things near the sides of the screen from getting warped (messing up how straight lines look). I have one at home, which I love, but I don't do SW or other modeling / CAD applications there. In terms of general usage, video editing, and gaming though I really like it!

Posted on 2018-02-28 16:39:17
Issac Roberts

Some reviews say the curve will affect content creators specifically working with 2D drawings, others say it won't because the curve is so subtle and the point is to prevent distortion towards the edges. What should I look for when evaluating the curve of a monitor especially on something like the Samsung 49" Uber wide? The only way I can really think of is to go to a vendor make a purchase and spend a lot of time during the return window using it just in case the curve doesn't work. Since most vendors don't allow you to connect source on-site.

Posted on 2018-03-01 01:19:54

Yeah, trying it out may be the only way to know for sure... especially with something even larger (and thus wider) like that 49" model.

Posted on 2018-03-01 17:30:54
Josh Rutter

I use A Dell 34" ultra-wide for motion graphics, that has a subtle curve. Whatever distortion that MAY be happening, is unnoticeable. Maybe some people are more anal than others, but I love it. Much nicer than a dual setup with the bezel right in the middle, IMHO.

Posted on 2018-03-12 01:45:52
Issac Roberts

I decided to try the U3415W which has a 3800R curve and 3440 x 1440 resolution. For SolidWorks the curve has little to no impact on my modeling and drawing creation when keeping that content in the center of the screen. The model tree is off to the left and the task bar is off to the right. For content at the center of the screen the curve does not affect my use and is almost always indiscernible. And I agree The advantage of the large left right screen real estate is definitely worth it vs. my prior dual-screen setup. Although now I'm considering a stacked setup. One monitor is never enough no matter how large. Josh, do you use any 3rd party screen partitioning software? I use Display Fusion, but I know there are others.

Posted on 2018-04-21 10:34:52

Using multiple screens with the periphery screens angled towards you, is another way of keeping a lot of screen real estate square on to you. Using the periphery screens in portrait mode helps keep the overall width under control.

Posted on 2018-04-19 11:32:45
James

great article, thanks.
here's my question. does it matter if your monitor supports high range adobe rgb (%97 and higher) if your GPU doesn't support 10 bits? other word can you even get that high color range without a quadro or fire pro card?
appreciate your answer

Posted on 2018-12-30 01:56:09