Diamond Stealth 64 Video VRAM or ATI Graphics Pro Turbo (Mach 64)?

Diamond Stealth 64 Video VRAM or ATI Graphics Pro Turbo (Mach 64)?

Post by Doug Fri » Thu, 08 Jun 1995 04:00:00



I'm looking into getting a Micron P120PCI Millennia Plus system for
running Linux and XFree86. The Micron upgrade choices for video cards
are:

 - Diamond Stealth 64 Video VRAM    - 2MB or 4MB
 - ATI Graphics Pro Turbo (Mach 64) - 2MB or 4MB

Which is better supported in XFree86?

Is there any significant speed difference between these two cards for
XFree86?

I've heard that some cards run faster w/4MB than 2MB due to memory
interleaving or double wide bus access.  Do either of these two cards
have this property or is the only difference for these cards the
number of colors supported at higher resolutions?

Thanks,
Doug

 
 
 

Diamond Stealth 64 Video VRAM or ATI Graphics Pro Turbo (Mach 64)?

Post by chang_franc » Thu, 08 Jun 1995 04:00:00


: I'm looking into getting a Micron P120PCI Millennia Plus system for
: running Linux and XFree86. The Micron upgrade choices for video cards
: are:

:  - Diamond Stealth 64 Video VRAM    - 2MB or 4MB
:  - ATI Graphics Pro Turbo (Mach 64) - 2MB or 4MB

: Which is better supported in XFree86?

I have the Diamond Stealth 64 Video VRAM card; however, I'm using
AcceleratedX as my X-server.  The XFree86 support for this card has
become available only about a week ago.  As with any other software,
a new release is usually more buggy than a more stable one.  I am
very happy with the performance though.

Don't know much about the ATI card.

Francis

 
 
 

Diamond Stealth 64 Video VRAM or ATI Graphics Pro Turbo (Mach 64)?

Post by R. Scott Baile » Fri, 09 Jun 1995 04:00:00



> - Diamond Stealth 64 Video VRAM    - 2MB or 4MB
> - ATI Graphics Pro Turbo (Mach 64) - 2MB or 4MB

>Which is better supported in XFree86?

>Is there any significant speed difference between these two cards for
>XFree86?

My ZEOS P-100 has a Stealth 64 Video VRAM with 2MB and the 175MHz RAMDAC. It's
working fine with the new XFree86 3.1.1u2 S3 server, and on the basis of a week of
experience, it is just as stable as any other card. (I admit personal bias, but it
seems to me the posting traffic is even between the two cards, but the S968 messages
are "is there a driver..." while the ATI titles look like "it doesn't work..." :-)

Performance-wise, I downloaded xbench and ran some tests. (For background and
historical data, see http://www.goof.com/xbench ) It looks like pretty much a wash
to me. I don't have my numbers in front of me, naturally, and the summary hasn't
been updated yet, but I recall the gist:

32 bpp: xstones in high 90's, vs highest reported ATI xstones of 91.
16 bpp: xstones in high 160's, vs best reported ATI xstones of 167.
 8 bpp: xstones of 272 (?), with ATI xstones ranging from 268 to 284.

All of the reported Graphics Pro Turbo results were from 4MB boards. As I recall
there is reputedly a 3% or so sampling error, there is no statistical difference I
can see except perhaps at 32 bpp -- and don't forget margin of error of my memory.
:-)

Unless other considerations are important, I'd probably go with the less expensive
of the two upgrades. (Although the Diamond card did just get an Editor's Choice
award in the most recent issue of PC Magazine, where they were looking at higher-end
graphics boards. It won in the "you-think-you're-a-power-user-but-you-really-aren't"
:-) category.)

Cheers,

  Scott

----------


Detroit Data Center            313-556-6011 [8/346]
Electronic Data Systems

Disclaimer: EDS has no idea I wrote this. After 24 hours, neither will I.

 
 
 

Diamond Stealth 64 Video VRAM or ATI Graphics Pro Turbo (Mach 64)?

Post by Harald Koen » Fri, 09 Jun 1995 04:00:00



Quote:> I have the Diamond Stealth 64 Video VRAM card; however, I'm using
> AcceleratedX as my X-server.  The XFree86 support for this card has
> become available only about a week ago.  As with any other software,
> a new release is usually more buggy than a more stable one.  I am
> very happy with the performance though.

as with any new XFree86 release this has been tested heavily and there
are (still) no known problems ([tm] bugfree software, inc. ;-)

Harald
--
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1. ATI Pro Turbo vs. Diamond Stealth 64 Video VRAM

Okay I have a simple question.  Maybe not so simple ;-)

I am looking at the two above 4 meg video cards trying to decide on one.

I will be running Win31, Win95, DOS, and Linux.  I will be running Win31
and Win95 at 1280x1024 at Truecolor (32K and up) and Linux at 1152x900 at
256 colors in X.  DOS isn't as important, as all I do in it is run
Descent once in a while.

Instead of asking which is the best card in general, I am asking which is
the best for the above situations.  I am concerned with ease of setup and
compatibility, and a little with speed.  Cost isn't much of a concern either.

--
-Joel
                                       __
 <//////////////////----------......../ /..----------\\\\\\\\\\\\\\\\\\>  
 /Joel Bierling                      / /  (_)__  __ ____  __|The choice\

 /http://www.calvin.edu/~jbierl00/ /____/_/_//_/\_,_/ /_/\_\|Generation\
 <//////////////////----------.............----------\\\\\\\\\\\\\\\\\\>  

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