Why does DVI/HDMI look worse than VGA on my HDTV

[mardon]

I have a Samsung LE-37R87 with a native resolution of 1360x768. I have a 9800GTX when I connect via VGA the image is SO much sharper. DVI has vibrant colours but is not sharp at all. I had to mess around in the NVidia control panel for ages to creat a custom setting and even then I had to pull the image out to fit the side of the screen. It SHOULD have fit at 1360x768!! Whats going on? I should look better shouldn't it?

 

[Noya]

It's usually 1366x768.

And how close are you sitting? You should be at least three feet back.

 

[mardon]

I'm giving that figure off the top of my head. It'll be set to the right resolution but i'll cheack.

Yeah i'm sat more than 3 feet back.

Thing is 720/1080i looks spot on through my 360. It also looks sharp through VGA. But I need DVI so I can output my Bluray Disks.

 

[hixbot]

Your set likely is doing 1:1 pixel mapping while using VGA input. 1:1 is essential for seeing clear fonts, etc. on from a PC.

Find out if you can do 1:1 for your DVI input, and things will look just as sharp. If your set doesnt support 1:1 on DVI, you will need to find the correct resolution to avoid any scaling of the image.
Unfortunately, that resolution may appear overscanned on your set.

 

[-999-]

A lot of the samsung tvs seem to overscan on dvi/hdmi, mine used to as well. When on the dvi source, go into image settings for the tv and see if there's a "Just Scan" mode. That does 1:1 but it's not default. If it doesn't have it there may be an updated firmware for your tv to get it (as there was for mine).

 

[cyborg28]

My Sony had the same problem until I discovered Game/Text mode. It enables the required 1:1 pixel mapping and ditches the god awful "Vivid" Colour mode that they use to sell TVs at stores. Maybe your samsung has something similar.