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How important is the stock VID?

post #1 of 7
Thread Starter 
I'm just wondering if the stock VID has anything more then just the cooling. I'm thinking of replacing my reference 580 for the new Asus 580 Direct Cu II. Only thing is my GTX 580 seems to have great load VID at 0.971 and it seems to be very rare to get that low.
post #2 of 7
Quote:
Originally Posted by Tennobanzai View Post
I'm just wondering if the stock VID has anything more then just the cooling.
It is interesting. I had a GTX 470 with a stock VID of 1.075V. Let me be the first one to tell you that it overclocked like crap. Could not even get to 800 stable (IIRC, the highest it could go was 750). I returned it and re-purchased two more GTX 470s.

One was .925V and the other was .962V I believe. The prior could clock to 870 on the core and the latter could do 830.

I then sold my 470's purchased two GTX 480's. They both had below average stock of 1.063, but could clock relatively high. 850 core on 1.075V was pretty damn good.

After I got my GTX 570, its stock VID was 1.038V, which I heard is decent. Again, this card clocks at 900 at 1.088, which is nothing spectacular.

My conclusion is that VID can affect overclocking ability, but is no way shape or form the final, end all be all determinate.

I just purchased a GTX 580, and I will tell you how that goes.
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Mugendramon
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post #3 of 7
Thread Starter 
I see. It seems that the stock VID = potentially better OC then higher stock VID. Let me know how your 580 comes along. My guess is that VID is just one factor that comes into play when your dealing with max OC. The other factors could be from vrm, power phases, overall quality.
Quote:
Originally Posted by youra6 View Post
It is interesting. I had a GTX 470 with a stock VID of 1.075V. Let me be the first one to tell you that it overclocked like crap. Could not even get to 800 stable (IIRC, the highest it could go was 750). I returned it and re-purchased two more GTX 470s.

One was .925V and the other was .962V I believe. The prior could clock to 870 on the core and the latter could do 830.

I then sold my 470's purchased two GTX 480's. They both had below average stock of 1.063, but could clock relatively high. 850 core on 1.075V was pretty damn good.

After I got my GTX 570, its stock VID was 1.038V, which I heard is decent. Again, this card clocks at 900 at 1.088, which is nothing spectacular.

My conclusion is that VID can affect overclocking ability, but is no way shape or form the final, end all be all determinate.

I just purchased a GTX 580, and I will tell you how that goes.
post #4 of 7
It does seem to have some indication of overclockability with the reference cards, my first 580 superclocked had a VID of 1.050, since then I got 2 x vanilla 580s with VIDs of 1.000 & 1.012.
The non-superclocked 580s with lower VID both clock better than the superclocked 580. I believe evga used to bin with at least the 200 series, but not anymore with the 4 & 500 series.
    
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post #5 of 7
Quote:
Originally Posted by Tennobanzai View Post
I'm just wondering if the stock VID has anything more then just the cooling. I'm thinking of replacing my reference 580 for the new Asus 580 Direct Cu II. Only thing is my GTX 580 seems to have great load VID at 0.971 and it seems to be very rare to get that low.
maybe microcenter will Deny ur 10th return ,why u buy and return every 15 day? to keep instore warranty?

Quote:
Originally Posted by Tennobanzai
[1:19:46 PM
Tenno: Noooooob it's frys with pro return policy
[1:22:28 PM] Tenno: **** u noob
[1:22:35 PM] Tenno: Telling everyone my secrets.
Omg nice technique
Edited by quiquirinn - 2/9/11 at 1:26pm
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post #6 of 7
Dunno how important VID is on GPU's but my GTX480 has VID = 1025mV and does 850MHz Furmark 20 min stable w/ 1075mV set in Afterburner..

CHEERS..
     
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post #7 of 7
a lower stock VID normally represents a card which can be OCed further then other cards

because it requires less voltage to run

but in the terms of reliability/performance there is no advantage or disadvantage
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