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VIA's KT333CE Chipset 3D Performance Problems

VIA's KT333CE Chipset 3D Performance Problems - PCSTATS
Abstract: In 3D oriented benchmarks, at higher bus speeds, VIA's KT333CE chipset seems to be performing consistently slower than the older VIA KT266A chipset.
Filed under: Chipset Published:  Author: 
External Mfg. Website: VIA May 18 2002   Colin Sun  
Home > Reviews > Chipset > VIA KT333CE

Final Conclusions

With everything at stock speeds, the KT333CE performs about 1-5% faster then the KT266A chipset which is what we expect. The tide turns once the FSB is upp'ed to 166 MHz! With the 1/2.5 AGP and 1/5 PCI dividers kicking in at 166 MHz FSB the VIA KT333CE based boards and all the peripherals in the computer (HDD, Videocard, soundcard, etc) are all running at default speeds while the VIA KT266A chipset based motherboards are overclocking them all. 3D Performance suffers quite badly from this, office based benchmarks don't seem to have a big problem though.

This brings up several questions; is the AGP/PCI divider a good thing? Should dividers be automatic, or should the user be able to adjust them? Is the 22 MHz difference in the AGP speed at 166 MHz equal 700 3DMarks? How is the memory controller on the VIA KT333CE tweaked differently from the KT266A at high speeds?

We're honestly not really sure what to make of this; while it's great that peripherals run at stock speeds at 166 MHz FSB, we don't like the performance penalty that is associated with it.

Hitting those high bus speeds is nice but if it is going to cost 200-300 MB/s worth of bandwidth for both the ALU and FPU is it really worth it in the long run? In the short term perhaps it is up to the motherboard manufacturers to allow the user to adjust the dividers, so they can get the most performance out of their systems rather then letting it automatic kick in.... perhaps.

We would like to thank VIA Technologies for their assistance during the writing of this article. We will continue to update this article as more information surfaces! Please direct comments and questions to the forums.

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< Previous Page © 2018 PCSTATS.com Chipset News»


Contents of Article: VIA KT333CE
 Pg 1.  VIA's KT333CE Chipset 3D Performance Problems
 Pg 2.  First, An Example
 Pg 3.  Winstone 2001 Benchmarks
 Pg 4.  SiSoft Sandra 2002 Benchmarks
 Pg 5.  SiSoft Sandra 2002 Screenshots
 Pg 6.  More SiSoft Sandra 2002 Screenshots
 Pg 7.  PCMark 2002 Benchmarks
 Pg 8.  3DMark 2001SE Benchmarks
 Pg 9.  Quake III Arena Benchmarks
 Pg 10.  — Final Conclusions

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   11 / 20 / 2018 | 6:48PM
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