Video card question ? BPP ?

[mattyt69]

In regard to video card specs that you can select screen resolution what does BPP mean? eg 8BPP, 16 BPP, 32 BPP and what will it do for you go up or down BPP's

[iceblue]

bpp=bits per pixel

The more bits, the more colors and memory required to display.

256 color is 8 bpp
"High color" is 16 bpp
etc.
:)

[Plaster]

BPP means Bits Per Pixel. It's the color depth.

8bpp = 256 colors

16bpp = 64,000 colors

32bpp = 16,000,000 colors

The higher the number, the better the image.

doh! too slow :p

[Bigjakkstaffa]

The higher the bpp the better the quality and the bigger the performanc ehit, though, to be honest, i ve always foudn the hit to be marginal

--Jakk:t

[fizur2002]

the reason it seems to be so marginal is that the human eye can only detect so many color shades, and that the more colors that are displayed the sharper the image becomes, and more realy it will seem, especially with DVDs and MPEGs.

For example i think its like the eye can detech like 165 different shades of grey, where as a computer can display some odd thousands of shades of grey, see my point?

[Bigjakkstaffa]

I wasnt on about the visual effect, i was on about the performance drop

If you take a plain desktop wallpaper fiel and run it in 16bit and 32bit, there is often a fairly noticable quality difference between the two, especially where lighting effects and endges are concerned

--Jakk:t

[fizur2002]

Sorry, i guess i got a little carried away there.