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FAQ: LCD Monitor Sizes

post #1 of 36
Thread Starter 

I made up a quick reference guide for LCD monitors. With this, you can more easily compare the sizes of two monitors. It also helps you compare the pixel density as well. You can use this to compare CRTs sizing as well. However, realize that CRT sizes measure the distance of the entire front of the CRT. With LCDs, you measure only the viewable screen. Therefore, a 19" CRT is actually only like a 17.5" display!

2/20/09 Added a calculator:


 

 

LCD Calculator v2.txt 2k .txt file

 

 



Just download and change the file format from .txt to .vbs. It should work in any recent Windows OS. I have added maximum view distances before the eye starts losing detail. I also included the view distance for 30 degree angle which is the recommend angle for immersion.






Viewing Distance Calculator
This is more for HDTV but may be useful for some: http://www.myhometheater.homestead.c...alculator.html
Here's a chart for optimal viewing distances: http://hdguru.com/wp-content/uploads...ance_chart.pdf

My Spreadsheet:


Monitor Size: the distance in inches from one corner to the other of your viewable area
Aspect Ratio: width and height proportions
Resolution: number of horizontal and vertical pixels
Pixels: number of discreet pixels
Width: estimated width of viewable area
Heigth: estimated height of viewable area
Area: estimate area of viewable area. Use this to compare the difference in size of two monitors. A 19" normal monitor actually is bigger than a 19" widescreen.
Pixels Per Inch: Pixels density. This is how "sharp" the image is and is related to pixel pitch. From the chart, you can see that a 22" widescreen has a better image than a normal 19". The 24" is even better and then look at the 30" density!

NOTE: Minimum Viewing Distance is not correct. Forget to divide by pi for a multipler, doh!


Equation to find height and length
Pythagorean Theorem: a^2 + b^2 = c^2
a = x * height
b = x * width
(h*x)^2 + (w*x)^2 = c^2
h^2*x^2 + w^2*x^2 = c^2
x^2*(h^2 + w^2)= c^2
x = (c^2/(h^2+w^2))^.5

LL
LL
LL

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post #2 of 36
Hmm.....thanks Duckio +rep for you...

What is the best 23" Monitor in your opinion?
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i7-3930K (C2) @ (4.6Ghz) Asus Rampage IV Extreme X79 (Bios 3204) 3x EVGA GTX780Ti's SC Editions 32GB (4x8GB) G-Skill TridentX 2400Mhz 
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Win7 Professional 64Bit Asus ROG Swift (2560x1440 @144hz) Corsair AX1200 + Corsair RED sleeved cables Coolermaster Cosmos II Ultra 
CPUGraphicsRAMHard Drive
Quad core, 2300 MHz, Krait 400 Adreno 330 3GB RAM 32GB storage 
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post #3 of 36
Thread Starter 
Quote:
Originally Posted by Mhill2029 View Post
Hmm.....thanks Duckio +rep for you...

What is the best 23" Monitor in your opinion?
I found only one good one since it is not a common size. For the price of one, you can spend a bit more and get a 30" display.
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post #4 of 36
Quote:
Originally Posted by DuckieHo View Post
I found only one good one since it is not a common size. For the price of one, you can spend a bit more and get a 30" display.
Oh well, i think i'll stick with buying a 22" then considering the price of 24" and above displays....
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Hard DriveHard DriveOptical DriveCooling
2x 256GB OCZ Vertex 4's (RAID-0) 2x 2TB Seagate Barracuda 7200.14 64MB Cache Pioneer BDR-207DBK Blu-ray Writer Corsair H105 (Push/Pull) 
OSMonitorPowerCase
Win7 Professional 64Bit Asus ROG Swift (2560x1440 @144hz) Corsair AX1200 + Corsair RED sleeved cables Coolermaster Cosmos II Ultra 
CPUGraphicsRAMHard Drive
Quad core, 2300 MHz, Krait 400 Adreno 330 3GB RAM 32GB storage 
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveOptical DriveCooling
2x 256GB OCZ Vertex 4's (RAID-0) 2x 2TB Seagate Barracuda 7200.14 64MB Cache Pioneer BDR-207DBK Blu-ray Writer Corsair H105 (Push/Pull) 
OSMonitorPowerCase
Win7 Professional 64Bit Asus ROG Swift (2560x1440 @144hz) Corsair AX1200 + Corsair RED sleeved cables Coolermaster Cosmos II Ultra 
CPUGraphicsRAMHard Drive
Quad core, 2300 MHz, Krait 400 Adreno 330 3GB RAM 32GB storage 
OSMonitorPower
Android OS v4.4.2 (KitKat) 5.7" Super AMOLED capacitive touchscreen, 1920x... 3200 mAh 
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post #5 of 36
Thread Starter 
I will update with minimum viewing distance later today.
http://www.overclock.net/news-overcl...explained.html

No one thinks this is useful?
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Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
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post #6 of 36
Cool, thanks tartar sauce.
    
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Hard DriveOptical DriveOSMonitor
Western Digital Caviar Black WD1002FAEX 1TB x 2 LG Windows 7 Home Premium x64 3 x LG E2350V 
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post #7 of 36
Good quick reference list

PS: I think the # of pixels for the top one is incorrect.

Also, the 21" and 21.3" monitors are listed with aspect ratio 16:10 and resolution 1600x1200. I think these should be aspect ratio 4:3, or otherwise a widescreen resolution.
    
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post #8 of 36
The ratio on the 1280x1024 is incorrect, its 5:4, not 4:3 as it may sometimes be perceived.
post #9 of 36
Thread Starter 
Quote:
Originally Posted by Pwnjohnson View Post
The ratio on the 1280x1024 is incorrect, its 5:4, not 4:3 as it may sometimes be perceived.
Good catches... I'll have to make the updates. My bad!
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i7 920 [4.28GHz, HT] Asus P6T + Broadcom NetXtreme II VisionTek HD5850 [900/1200] + Galaxy GT240 2x4GB G.Skill Ripjaw X [1632 MHz] 
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Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
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Hard DriveOSMonitorKeyboard
Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
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post #10 of 36
Hi, i was wondering if you'd be able to point me in the right direction of a 19wide screen, i see some/most have have a contrast of 1:300~700
i see the LG one has 1:2000 now would i really notice the extra "blackness".

One other thing, the response time, is 5ms enough or should i go for lower like 3ms (i still doubt the eye will see 2/1000 of a second)

Some people say games do/don't support the 16:10 aspect, would you happen to know?

Ok last thing, the native rez is 1440 900 for all, so would playing it in say one rez down really screw up the picture, people say you should only play in native rez, and i want my card to be able to play games for about 4 years still, now i'm not one to care if i must lower quality(past card was a fx5200 which i had for 4 years atleast) so i'm pretty knews to doing it.
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