How do I know what Monitor Resolution to select?

  Richardsreds 18:31 29 Sep 2010

I am duel screening using the Catalyst TM Control Centre (ATI Radeon HD 5700 Series) and want to select a decent resolution for my monitor but I don't know which one to select.

The Monitor I am using are:

1 - Primary, DELL SE198WFP 19 Inch
2 - Secondary, Iiyama PLE431 17 Inch

How do I know which resolution is optimal for the monitors?

There are loads to choose from....

Kind regards

  chub_tor 19:09 29 Sep 2010
  Ian in Northampton 19:29 29 Sep 2010

All monitors have a 'native' resolution and you'll generally get the best results if you use that:

Dell monitor: 1,440 x 900 native resolution
Iiyama monitor: 1,280 x 1,024 native resolution

I think.

  chub_tor 20:10 29 Sep 2010

The native resolution depends on the aspect ration of the monitor so it is different for wide screen monitors of the same size, which is why I put the link on my post.

  Richardsreds 21:51 29 Sep 2010

cool, many thanks for that!

  Chas49 23:52 29 Sep 2010

It also depends (with a television/monitor) on the input used.
For instance, when I use the DVI input on my 37" HD Ready TV (max 1396 pix) you have many different resolutions, but with a HDMI just two, 1920 or 1280 and nothing in between! The 1920 is useless of course - the 1280 actually overlaps the screen edges slightly. Consequently I use the DVI which can use the full 1396 without any overlap.

  Ian in Northampton 11:35 30 Sep 2010

chub-tor: absolutely. The Dell in the OP is a widescreen monitor with a 16:9 (or similar) aspect ratio, and Dell quote its native resolution as 1440 x 900. The Iiyama is a classic 5:4 or 4:3 monitor and Iiyama says its native resolution is SXGA - 1,280 x 1,024. Your list is helpful but is only a guide: the manufacturer's information tells you which is the 'optimum' setting.

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