usable screen space

if i have three 18" monitors at 1280 x 1024 resolution...

how much more or less screen space will i get with two 24" 1920 x 1200 monitors...

do you just add up the pixels ?


thanx in advance
 
where do you get the 18" monitors? I can only find 17" or 19".

You have asked a good question.
Shopping for a monitor is more than looking at the diagonals.

Here's what I look at in monitors:

-- display area in terms of surface square inch.
-- total pixel of the panel (the more pixel, the more information you can put on the screen)
-- pixels per square inch
-- dollar per square inch
-- pixels per dollar

other worthy considerations:
-- cost of 3x19" vs 2x24"
-- space/brackets/stand requirement (an extra bracket is an extra $100+ !)
-- carbon footprint -- how much power they use?


if you look at 19" monitors:

diagonal 19"
viewing area width 14.8"
viewing area height 11.8"
sq in 174.64
pixel-h 1280
pixel-v 1024
tot pixel 1,310,720
pixel/sqin 7,505.27

multiply that by 3 (popular with Triplehead2go):
total sq in 524
total pixel 3,932,160
pixels per sq in 22,516


compared that with 24"

diagonal 24"
viewing area width 20.4"
viewing area height 12.75"
sq in 260.1
pixel-h 1920
pixel-v 1200
tot pixel 2,304,000
pixel/sqin 8,858.13


put 2 monitors side by side, you get:
total sq in 520
total pixel 4,608,000
pixels per sq in 17,716


Have fun with numbers !
 
correction:
19" -- multiply that by 3 (popular with Triplehead2go):
total sq in 524
total pixel 3,932,160
pixel/sqin 7,505.27 <-- correction


24" -- put 2 monitors side by side, you get:
total sq in 520
total pixel 4,608,000
pixel/sqin 8,858.13 <-- correction
 
i have 3 sony sdm x82 18" 1280 x 1040...

just wondering if i would be able to fit more info on a pair of 24" screens instead of 3 18" screens...
 
Quote from chiguy:

i have 3 sony sdm x82 18" 1280 x 1040...

just wondering if i would be able to fit more info on a pair of 24" screens instead of 3 18" screens...

Yes, approx 20% more, but everything will be smaller.
 
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