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# What reasons to get a 1440p? - Page 3

Quote:
Originally Posted by unseen0

How does that work? Can you give me a simple formula of how to calculate this?
What i did was take the 1920x1080 = number / inch = pixels per inch.
Same deal with the 1440p screen devided by 27inch and to me it resulted in a small 13ppi difference.

Now how much is it actually in difference between a 1080p 21inch screen, and a 1440p 27inch screen?
I am aware of the size benefit, but i was simply implieng that the PPI is what makes 1440p so amazing as the quality goes up because of it's density.
But also that a 1080p screen at 21inch can match the 1440p in terms of overall image quality regardless of it's potential size benefit etc.

The 27 inch size is measured diagonally. PPI is pixels per inch, not pixels per square inch. Therefore, you need the width and/or height of the display in inches. With the 16:9 aspect ratio, the diagonal and 2 dimensions form a right triangle with angles of 30 degrees, 60 degrees, and 90 degrees. The width of the monitor is going to be 27*cos(30), while the height is going to be 27*sin(30). Note that 30 degrees only works for 16:9; for other aspect ratios the angles are equal to ArcTan(1/(aspect ratio).

For a 27 inch screen this yields 23.4 inches for the width (or I could have just measured mine, although I don't have a ruler long enough at the moment), and for a 21.5 inch monitor it is 18.6 inches. Since we know that the horizontal resolution of the 27 inch monitor is 2560, we can divide this by the width in inches to get pixels per inch. The same goes for the 21.5 inch monitor.

Even though the PPI on a 26 inch monitor is only slightly higher than that of a 21.5 inch monitor, the image will be MUCH more detailed. If you move back a 27 inch monitor so it appears to have the same angular size to your eye (i.e., the 21.5 inch monitor and 27 inch monitor are at distances so they both take up the same percent of your vision), then the 27 inch monitor will have MUCH higher apparent detail, as it has about 180% the number of pixels that a 21.5 inch monitor has. The PPI comparison is only relevant if the monitors are the exact same distance from your eye, and given how much larger a 27 inch monitor is chances are it will be farther away from your eyes.

My previous monitor was a Dell U2211h 1080p 21.5 inch monitor, and I recently upgraded to a Dell U2713HM. The difference was VERY noticeable; games seemed much more detailed and immersive, colors were better, I had more desktop space as well as more real world, physical desk space (as I could move my monitor farther away from me).

You can almost get 3 23 inch panels for the price of a U2713HM (which can be found for under 600 dollars), but you will have to deal with bezels getting in the way and won't get the same kind of experience that a 27 inch panel gives. It is a viable option though; I personally would get 3 and put them in portrait mode on a 3 monitor stand.
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If you think at it, for gaming, having 1.6 million more pixel (80% more then 1080p) means that you have more definition, you can display more information. So you have more detail in your game
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Quote:
Originally Posted by adgame

If you think at it, for gaming, having 1.6 million more pixel (80% more then 1080p) means that you have more definition, you can display more information. So you have more detail in your game

Short version everything looks so much better
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I like 1440p simply for the increased resolution. The difference in gaming isn't huge, but 1440p is great for productivity. If you half-screen a browser window for example, it's still got a width of 1280 which is plenty. 1440p monitors being IPS is great also.

I've heard you can get away with less AA when gaming due to the increased resolution, but that's kind of a wash considering you need more GPU horsepower regardless... Maybe I'll add some gaming comments once I get my new card.
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Quote:
Originally Posted by stolid

I like 1440p simply for the increased resolution. The difference in gaming isn't huge, but 1440p is great for productivity. If you half-screen a browser window for example, it's still got a width of 1280 which is plenty. 1440p monitors being IPS is great also.

I've heard you can get away with less AA when gaming due to the increased resolution, but that's kind of a wash considering you need more GPU horsepower regardless... Maybe I'll add some gaming comments once I get my new card.

Having more then 2x AA is pointless in 1440P no matter how hard i try i can see no difference between 2x AA and higher

And what you say about that you cant see the difference in gaming sory what games have you been playing if you cant see the difference Minecraft or what?
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Quote:
Originally Posted by Mjolnir125

You can almost get 3 23 inch panels for the price of a U2713HM (which can be found for under 600 dollars), but you will have to deal with bezels getting in the way and won't get the same kind of experience that a 27 inch panel gives. It is a viable option though; I personally would get 3 and put them in portrait mode on a 3 monitor stand.
Just so ya know, there are 23 inch panels cheap enough that you can buy 3 of them for a U2713HM and is borderless!
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Quote:
Originally Posted by unseen0

I can indeed, and have money to spare
The korean ones are a gable, and the oppinions are very different. Some say they're perfect panels. Others claim they're more sensitive to any kind of problems.
I don't like to gamble and prefer to take a monitor from the store that ensures me with warranty etc.

And i don't think 1440p is all that great. Like i mentioned, the pixel density is only slightly better then that of a 21.5inch @ 1080p. I don't think you can even notice it.
The only thing i noticed that was different was the brightness from 300cd/m2 to 350cd/m2. I didn't see any other advantage that proves that the display is of higher quality specification wise.
The other way around i there are advantages, such as lower response times.

that is like saying you wont notice a difference if i gave you my rig for a day..
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lol why on earth would you compare a 21.5'' screen to a 27'' screen
Quote:
the pixel density is only slightly better then that of a 21.5inch @ 1080p. I don't think you can even notice it.

put a 27'' 1080p screen next to a 27'' 1440p screen and you'll notice it
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Quote:
Originally Posted by m98custom1212

that is like saying you wont notice a difference if i gave you my rig for a day..
Dat motorbike...
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I don't even know what or why the OP is arguing.

PPI is irrelevant. 1440p has more pixels than 1080p. That's all that matters. There's more screen real estate to work with.

A 30" 1440p monitor will be better than a 20" 1080p monitor even though the latter has a higher PPI. It's not about the PPI, it's about the QUANTITY of pixels. 99% of people would choose the 30" 1440p over the 20" 1080p.

PPI has become a marketing word that smartphone manufacturers are using to make their phones seem better and you have fallen into the trap. Smartphones are constrained to a certain screen size (between 4" to 5.5") and the early smartphones had relatively low resolutions which caused some text and images to look blurry or not as sharp. Nowadays, 720p is sufficient for 5" smart phones. Only real benefit of 1080p on phones is no need to scale 1080p videos. The text is sufficiently sharp.

You have two phones, one is 4.5" and the other is 5" both of which have 1080p resolutions. You are led to believe that the 4.5" is better simply because it has a higher DPI but it is the 5" that is better because of the larger screen. At that size, the difference in the size of the pixels can not be discerned by the human eye.
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