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X1950XT Vs x1900xt timimg question.

post #1 of 11
Thread Starter 
X1900XT timing : 8-8-12-12-10-35-0-0-15-6-12-13-27-21-10-45-8
X1900XT Voltage: I dont know. I am sure someone will know in here.
Stock Core 625mhz/memory 1450mhz

X1950XT timimg :11-11-15-15-10-44-0-0-15-6-11-13-32-25-14-54-10
X1950XT Voltage Core:1.425V , Memory:2.184v , VDDCI: 1.486V )
Stock core 625mhz/ memory 1800mhz

You guys think is safe for the X1950XT OC the timing to same as X1900XT timing With VF900?
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post #2 of 11
No. It will freeze you up right away.

I think the whole gddr4 idea on the x1950 was a gimmick, with timings soo loose
    
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post #3 of 11
Quote:
No. It will freeze you up right away.

I think the whole gddr4 idea on the x1950 was a gimmick, with timings soo loose
First off the x1950xt does not have GDDR4 it has GDDR3, the x1950xtx and Xfire editions are the only cards with GDDR4. Second have you even seen any results with the GDDR4 cards?? Looser timings maybe but crazy overclocking and massive scores in 3D marks, a gimmick I dont think so, they are alot faster.

Anyways to your question, I think it would be better answered by the guy on XS that you got this info from, however, I have run a little tighter timings then stock last night and gamed on FEAR for about 3-4 hours, no problems, no freezes but I was running stock clocks. The 3D performance was improoved in AM3 and 3D 05, but is realy pointless when you are gaming, unless you are going to try and hord 3D benchmarks Id say dont even bother with the timings, cause 1 of 2 things can happen, it will work but you wont be albe to overclock as far, or you may damage the card as I did with my x850xt(which is the only reason i bought this card). The choice is yours.
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post #4 of 11
The timings are looser and it is not a gimmick. They are looser for heavy overclocking on the memory bandwidth. There is a point where the timings when loosened can be very beneficial on the overclock where the bandwidth speed at a certain point will supersede the timings and outpace a lower memclocked and tighter memtimed card.

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post #5 of 11
Thread Starter 
Well If change the timing do nothing to gaming, I wont do it cuz i am all about gaming.
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post #6 of 11
Quote:
Originally Posted by Adeoliver View Post
First off the x1950xt does not have GDDR4 it has GDDR3, the x1950xtx and Xfire editions are the only cards with GDDR4. Second have you even seen any results with the GDDR4 cards?? Looser timings maybe but crazy overclocking and massive scores in 3D marks, a gimmick I dont think so, they are alot faster.

Anyways to your question, I think it would be better answered by the guy on XS that you got this info from, however, I have run a little tighter timings then stock last night and gamed on FEAR for about 3-4 hours, no problems, no freezes but I was running stock clocks. The 3D performance was improoved in AM3 and 3D 05, but is realy pointless when you are gaming, unless you are going to try and hord 3D benchmarks Id say dont even bother with the timings, cause 1 of 2 things can happen, it will work but you wont be albe to overclock as far, or you may damage the card as I did with my x850xt(which is the only reason i bought this card). The choice is yours.
I dunno about this whole "a lot faster and crazy overclocker" thing. I've not seen one blowing my 1900XTX out of the water yet without them also having a C2D at 3.5G.... a poor comparison to my 3.0Opty. AT higher resolutions its much better, I agree there.
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post #7 of 11
Quote:
Originally Posted by Ihatethedukes View Post
AT higher resolutions its much better, I agree there.
This is where the emphasis on such a modification will show though. One can not expect the core to change if one keeps the core at maximum on both timing events. With the higher bandwidth and looser timings brought about by an increase in memory frequencies one will find higher resolution smoothness where the bandwidth may have been more limited without such modifications.

This differential can be quite marked.

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post #8 of 11
Quote:
Originally Posted by Ihatethedukes View Post
I dunno about this whole "a lot faster and crazy overclocker" thing. I've not seen one blowing my 1900XTX out of the water yet without them also having a C2D at 3.5G.... a poor comparison to my 3.0Opty. AT higher resolutions its much better, I agree there.
I didnt mean it would blow yours out of the water, but they are faster none the less, with or without a C2D. Being able to reach 740+mhz core & 2250mhz+ on the ram with stock cooling?? Um yeah thats a pretty good overclocker in my book even if its 650 & 2000mhz stock. How much of an increase can you get out of your ram?? The compairison isnt much different then yours to mine, but there is a differance, especialy overclocked, and with a CPU that bottlenecks alot less.
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post #9 of 11
I went from 1550 to 1740 so you get a bit more MHZ however those latencies tend to eat up the performance increase at anything that doesn't require raw bandwidth. And, from my personal experience I don't see that till AFTER 16x12. 16x12, even on 6xAA and 16xANISO seems to be driven MOSTLY by my core speed. Do I have hard number at hand to show off, no, but I can only tell about my experiences and that's what I've seen.

And, yes, our rigs are probably fairly well matched. We should probably compare a few numbers at stock and OCed speeds.
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post #10 of 11
bookmark will reply when I get home as I have some modified timings on my x1950xt
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