Video Card Roundup - DVD Quality, Features & Performance - October 2000
by Anand Lal Shimpi on October 11, 2000 1:43 AM EST- Posted in
- GPUs
Colorspace Conversion
The Colorspace Conversion tests should be passed by any current generation graphics chipset which is the reason why it only accounts for 4% of the overall quality score. The test simply makes sure that the graphics adapter can perform a colorspace conversion on the fly (YUV to RGB). Colorspace conversion is necessary when the video data is stored in YUV mode and needs to be converted into RGB data for display output.
CSC – Results
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Overlay
Color Space Conversion Quality (Color Banding)
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Test
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3dfx
Voodoo3
|
3dfx
Voodoo5
|
ATI
Radeon
|
Matrox
G200 |
Matrox
G400 |
NVIDIA
GeForce
|
NVIDIA
TNT2
|
S3
Savage 2000
|
|||
| Overlay
Red |
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
|||
| Overlay
Blue |
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
|||
| Overlay Yellow |
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
Pass
|
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All decent cards should pass these tests, and as you can tell by the above chart, all of our contenders did. The only thing we'd like to note here is that the 3dfx cards did seem to produce a much more washed out rendition of the test image than the rest of the cards, however the cards did pass the test.
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