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7950 Vapor X Voltage Locked? - Page 43

post #421 of 1056
Thks for the reply King

however all this is too confusing.. mine is not the 900mhz as you stated but the boost edition (sku 11196-16-20G) which is 925mhz and blue pcb with 6-6 connection, no vapor-x boost button

as I said before my asic score is pretty low - 61.2%

if its hynix memories as you say how can you explain not being able to go over 1500mhz memory even on 1.625 volt and 1100 core with 1.250 volt ? should it be the asic score to blame ? as a somewhat bonus my vrm temps with these settings on furmark do stay in the lower/mids 70º and the core at 73-74ºC fan auto

Should I :
- try to swap it for a Vapor-X blue pcb with 6-8 connection (sku 11196-09-40G) and risking getting an even lower asic score board;
- try to look for a sku 11196-10-40G with the 7970 pcb board and 8+8 connection and risking getting an even lower asic score board;
- or just do nothing and be happy with what I have ? (maybe in the near future reseat the gpu and ram heatsink with mx-4/prolimatech/gelid gc-estreme)

I ask this because I am still in the 15 day return/refund no questions asked period that applies to this retailer (pixmania)

edit: the 11196-09-40G on supply is in fact the 8+8 connector voltage LOCKED model unless am older or different bios is used, to add a bit to the confusion
Edited by ninogui - 12/23/12 at 9:13am
post #422 of 1056
Quote:
Originally Posted by Nonehxc View Post

New 7950 Vapor-X owner here. I have one of those rare 7950 Vapor-X with 8+8 power pins. Anyone care to start me as how I overclock this beauty? New to overclocking graphics card here rolleyes.gif
BTW, my boost bios is 015.025.000.099.000000 (113-210PAFR-V08), are there any updates for this BIOS?

Quote:
Originally Posted by Xaifodin View Post

I just recently got the same card, and it also had the 2x8 pin connections. But i don't think there's any difference from the others with 8+6 pin power. I got pretty good oc on this card without increase in voltage, 1100 mhz on the core and 1500 memory. Rock solid and that was from the first attempt smile.gif i haven't tried pushing it further, so maybe it will go a bit higher.
You could use trixx software and under the overclocking tab, increase the sliders in incremental values. Start out with the core then run benchmarks (3d mark 11, furmark and some games) to see how stable the card is. Do the same steps for the memory, and run tests again.

look here for some additional help too, all info to this matter is helpful regardless where it came from
http://www.xtremesystems.org/forums/showthread.php?284375-Sapphire-HD7950-Vapor-X-experiments-post-your-7950-Vapor-X-vBIOS-here!&p=5160755&posted=1#post5160755
post #423 of 1056
Quote:
Originally Posted by ninogui View Post

Thks for the reply King
however all this is too confusing.. mine is not the 900mhz as you stated but the boost edition (sku 11196-16-20G) which is 925mhz and blue pcb with 6-6 connection, no vapor-x boost button
as I said before my asic score is pretty low - 61.2%
if its hynix memories as you say how can you explain not being able to go over 1500mhz memory even on 1.625 volt and 1100 core with 1.250 volt ? should it be the asic score to blame ? as a somewhat bonus my vrm temps with these settings on furmark do stay in the lower/mids 70º and the core at 73-74ºC fan auto
Should I :
- try to swap it for a Vapor-X blue pcb with 6-8 connection (sku 11196-09-40G) and risking getting an even lower asic score board;
- try to look for a sku 11196-10-40G with the 7970 pcb board and 8+8 connection and risking getting an even lower asic score board;
- or just do nothing and be happy with what I have ? (maybe in the near future reseat the gpu and ram heatsink with mx-4/prolimatech/gelid gc-estreme)
I ask this because I am still in the 15 day return/refund no questions asked period that applies to this retailer (pixmania)
edit: the 11196-09-40G on supply is in fact the 8+8 connector voltage LOCKED model unless am older or different bios is used, to add a bit to the confusion

1100 Mhz is a decent overclock. is 1.25v your stock voltage. can you increase voltage upto 1.3v. the sapphire hd 7950 boost with dual x cooler has better VRM cooling than the vaporx . so definitely don't go for Sapphire HD 7950 vapor-x.

you could try the HIS HD 7950 Iceq X2 boost

http://www.pixmania.co.uk/uk/uk/12942026/art/his/radeon-hd-7950-iceq-x2-bo.html

http://www.techpowerup.com/reviews/HIS/HD_7950_X2_Boost/3.html

reference HD 7970 PCB with dual 8 pin power. very good cooler.
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post #424 of 1056
thks for your comment raghu

ok great I will rule out the vapor-x

according to the HIS homepage that sku H795QMC3G2M is 6+8 power connector!
also in
http://www.pureoverclock.com/Review-detail/his-7950-iceq-x2/4/

but your techpowerup link clearly shows 8+8 connector ! quite confusing !

I have seen the HIS before and I can get it for about 20 euro more than what I paid for the sapphire boost at
http://www.pixmania.com/pt/pt/12942026/art/his/radeon-hd-7950-iceq-x2-bo.html

downside is it uses elpida rams and apparently a bit noisy (your comments ?)

one problem with pix is you never really know if you are getting the retail or bulk package, they are a bit shady about this so I never really know if it comes with the power connector adapters (did yours ?) and dvi->vga

there´s also the asus directcuII top
http://www.pixmania.com/pt/pt/12701158/art/asus/radeon-hd-7950-directcuii.html

is it worth the price difference or not really ?
Edited by ninogui - 12/24/12 at 2:05am
post #425 of 1056
Quote:
Originally Posted by raghu78 View Post

the sapphire hd 7950 boost with dual x cooler has better VRM cooling than the vaporx . so definitely don't go for Sapphire HD 7950 vapor-x.

I know some people have had bad vrm cooling with this card, but to generalise on the whole series is just incorrect. My card, on stock clocks never goes above 65° under stress testing.
Even oveclocked the VRM temps stays below 75/70 deg with fan profile on Auto. Imo the Vapor-x is a pretty awesome cooling solution.

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post #426 of 1056
did you reaply the vapor x cooler with termal paste or is stock ?
post #427 of 1056
I think there's at least 5 different versions/revisions of the Sapphire 7950 Vapor-X, raghu78, so it seems a bit senseless if we generalize about VRM, voltage locks and whatnot on the Vapor-X.

Mine was bought in Amazon.es by model number, not by product name, for 277 euros(cheap beast biggrin.gif ). 8+8 power pins, a bit darker PCB(maybe a bit greener than the PCBs I've seen of the Vapor-X) I believe this card is the last revision and is sold in Europe. My card idles at 26º Core/23º+25º VRM1+VRM2 just now and the max I've seen is 57º/63º+66º under stress testing. Overclocked 24/7 to the same numbers that Xafoidin on stock cooler, stock voltage, no fan profile. Been able to put 1200mhz max(haven't overclocked above that) without problem on stock voltage, stress tested and played a bit without a hitch. I haven't removed the cooler to investigate what's under the hood, but I think it uses Hynix 1500mhz memory as all the good Vapor-x overclockers. I'll move it when I get a good aftermarket cooler( not that I'm upset with the performance of the Vapor-X at all).

BTW, my ASIC is 56.4%(can I have a prize for getting the worse Asic score? wheee.gif ) The first time I saw that number after all my research of asic=quality and overclock, I thought I got the ****tiest card on the planet, but despite that number it performs without problem, seems ASIC it's not at all a indicative of the quality of the card. So ASIC must mean Another Senseless Information about my Card thumb.gif

Edit: Sorry, edited my VRM temperatures, I was looking at core temperature go up & down tongue.gif
Edited by Nonehxc - 12/26/12 at 8:05am
    
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post #428 of 1056
Quote:
Originally Posted by Nonehxc View Post

I think there's at least 4 different versions/revisions of the Sapphire 7950 Vapor-X, raghu78. Mine is blue/greenish pcb(not the blue blue pcb, a bit darker with a light shade of green), 8+8 power pins, last bioses(I think). Some revisions are better than others.
Mine was bought in Amazon.es under the sku number, not by name.I believe this card is the last revision and is sold in Europe. My card idles at 26º Core/23º+25º VRM1+VRM2 just now and the max I've seen is 57º/59º+60º under stress testing. Overclocked 24/7 to the same numbers that Xafoidin on stock cooler, stock voltage. Been able to put 1200mhz max(haven't overclocked above that) without problem on stock voltage. I haven't removed the cooler to investigate what's under the hood, but I think it uses Hynix 1500mhz memory as all the good Vapor-x overclockers.
BTW, my ASIC is 56.4%(can I have a prize for getting the worse Asic score on a Vapor-X? wheee.gif ), the first time I saw that number after all my research of asic=quality and overclock, I thought I got the ****tiest card on the planet, but despite that number it performs without problem, seems ASIC it's not at all a indicative of the quality of the card. So ASIC must mean Another Senseless Information about my Card thumb.gif

very useful info. what is the model no. this info could be very useful for people looking at sapphire hd 7950 vapor-x.
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post #429 of 1056
http://www.amazon.es/gp/product/B0091MFBZC/ref=oh_details_o00_s00_i00

That's the page where I bought the card. I bought it from Amazon directly, not from one of the other amazon dealers( I mean, what sense makes to pay 50 euros more minimum if you bou from one of the dealers doh.gif ). The last dealer must be crazy, doesn't need to sell to live or thinks we are 1diots applaud.gif

Edit: Oh, I confuse model number/name, sku and P/N redface.gif

This is what I used to search for the card, the SKU: 11196-09-40G.
P/N on the side of the PCB without cooler and sticker on the box is 299-4E210-004SA.
Edited by Nonehxc - 12/26/12 at 8:29am
    
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post #430 of 1056
Quote:
Originally Posted by Nonehxc View Post

http://www.amazon.es/gp/product/B0091MFBZC/ref=oh_details_o00_s00_i00
That's the page where I bought the card. I bought it from Amazon directly, not from one of the other amazon dealers( I mean, what sense makes to pay 50 euros more minimum if you bou from one of the dealers doh.gif ). The last dealer must be crazy, doesn't need to sell to live or thinks we are 1diots applaud.gif

is there a PCB version mentioned on the graphics card. because the 11196-09-40G seems to cover all HD 7950 vapor-x cards.

http://www.sapphiretech.com/presentation/media/media_index.aspx?psn=0004&articleID=4727&lid=1
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