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Article #7994

Video Card Speed

#7994
From: Thanasis Mitsolides
Date: Thu, 10 Jan 1991 15:53
54 lines
2586 bytes
cpa@monu6.cc.monash.edu.au (Christopher P Avram) writes:
>Windows 3.0 Video Speed Tests

>Windows 386 Enhanced mode

>Driver            Line Rectangle Ellipse BitBlt StretchBlt Scroll  Fill
>Tseng 1024x768x16  3.9      17.0   70.9    7.1      108.8    9.3  80.9

The results are in Msec/operation.
And here are my results, also in Msec/operation:

Driver                Line Rectangle Ellipse BitBlt StretchBlt Scroll  Fill
Paradise 1024x768x16  7.7    18.7     104.4   29.7    164.0     29.8   58.1

>
>Using: PC Magazine DispInfo Version 1.2 
>       by Charles Petzold 1986
>
>Processor: 386 AT Bus clone; No co-processor; 
>           8 Mbytes Memory; no cache; 25MHz
>Video card: a Tseng Labs 3000 clone
>Video Memory: 512 Kbytes
>Video Bus: 8 bit
>Shadow Ram enabled.

I use the same software but 386SX/16Mhz system, Paradise 16bit card with 512K.

>* NOTE: The test is performed in a window whose size is 
>set to 60 system font characters wide and 20 system font
>characters high. The Tseng drivers install by default using
>a large system font (8514), so area based operations operate on
>a large screen area. The fonts available are for 640x480 or
>1024x760 but 800x600 is between. When in 800x600 mode, I have
>run the tests with both system fonts.

Right. I also use the 8514/A fonts.

Conclusion:
It seems that the paradise at 16bits is much slower than the tseng at 8 bits.
Most annoying weaknes is scrolling.
Scrolling a window is AMAZINGLY slow using the Paradise card!

Thanasis

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From: mitsolid@acf5.NYU.EDU (Thanasis Mitsolides)
Newsgroups: comp.windows.ms
Subject: Video Card Speed
Keywords: video speed benchmark
Message-ID: <1450@acf5.NYU.EDU>
Date: 10 Jan 91 15:53:55 GMT
Organization: New York University
Lines: 54