Archived from groups: alt.comp.periphs.videocards.nvidia (
More info?)
"Nicholas Buenk" <morn@tpg.com.au> wrote in message
news:421c046e$0$27871$61c65585@un-2park-reader-01.sydney.pipenetworks.com.au
> "McGrandpa" <McGrandpaNOT@NOThotmail.com> wrote in message
> news:_iFSd.29890$Bx5.16694@fe1.texas.rr.com...
>> "Nicholas Buenk" <morn@tpg.com.au> wrote in message
>> news:4219a358$0$27625$61c65585@un-2park-reader-02.sydney.pipenetworks.com.au
>>> "Augustus" <augustus@wrtt.net> wrote in message
>>> news
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>>>>
>>>> "Joe727" <nospam@nospam.nospam> wrote in message
>>>> news:CgLRd.57994$pc5.34133@tornado.tampabay.rr.com...
>>>>> Hi - What's the nVidia equivalent of an ATi Radeon 9800 Pro? And,
>>>>> what's the nVidia equivalent of an ATi Radeon 9800 XT?
>>>>>
>>>>
>>>> The equivalent card would be of the same generation, not the
>>>> 6600GT. The equivalent of the 9800 Pro would be the FX5900 card. A
>>>> 6600GT is about the same in perfromance, but pulls ahead at higher
>>>> resolutions with video options enabled.
>>>
>>> The FX5900 is a poor equivalent because of it's poor 32bit shader
>>> performance, hence it is signficantly slower in some games.
>>
>> To be exact; the DX9 shader spec calls for 16 and 24 bit precision
>> math, which the Radeon does. The FX does 16 and 32 bit precision.
>> Rather than write two different codepaths for shaders, devs usually
>> write for 24 bit full precision and force the FX to 16 bit, which is
>> obviously slower. Or in the case of HL2, the devs force the FX to
>> DX8 spec period.
>
> Actually for many of the latest 3d games, they make large use of the
> FX's 32bit shaders, hence they perform a lot weaker than the 9800pro.
>
>> There are games which were written for both codepaths, like TR: AoD,
>> and the FX5900 and 9800 Pro are pretty much neck and neck
>> performance wise. But being as the FX is difficult to code the
>> shaders for, and there are far better cards out now without this
>> problem, I think most devs will simply force DX8 for FX cards now.
>> So the Radeon 9800 Pro is the better choice, considering that flaw
>> in the FX series.
>> McG.
>
> The 6600GT is a better choice compared to both, it has full speed
> 32bit precision, more than the 9800pro's 24bit. And performs faster
> in many games.
My FX5900 is getting long in tooth and its fan died. Card still works
fine tho. I replaced it with an eVGA 6800 128 meg (AGP). I'll replace
that in the next couple weeks though with a 6800 GT. Yep, I like *ALL*
the bells n whistles
McG.
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