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GTX 980 Ti - Gigabyte G1 Gaming - impressions and OC - Page 105

post #1041 of 1194
Quote:
Originally Posted by Laithan View Post

Woo-hoo!
drum.gif

See! It's Karma (but this time good!) All we had to do was talk about how slow the shipping was publicly.. so that the stuff shows up the next day! It's like being at a red light and the moment you pick up your phone it turns green..

biggrin.gif

loll, your telling me. funny think is it was scheduled to arrive Monday so hellz yea:thumb:
post #1042 of 1194
lol i know how that feels with waiting on my rma's a few months ago now i'm waiting on a shipment for my wife who's lightkits aren't here yet hurry up amazon prime!
post #1043 of 1194
Hey guys. Haven't sported a team green card since gtx 260 many years ago. Had a R9 390 in the system and was having trouble keeping 60fps on newer titles maxed with the lg ultrawide. Couldn't wait for the new stuff to come out this summer! The card I bought is the Gigabyte 980 ti g1 gaming and I really like it so far after having to deal with system instability over the weekend after installing gpu. Never had that happen before. Was a little concerned though with spending so much money and reading stuff about the asic quality as mine is at 70.9%. The memory on the card I got is samsung though and seems most screen shots I have seen show hynix. Is the samsung memory preferable or not? Should I ignore the asic thing? Just playing around this morning, I bumped the core clock up a bit and ran bench with 1455 boost on the core. This card runs like its being chased!!!
post #1044 of 1194
I'm going to install an EK waterblock onto my 980 Ti G1 card. Can I put a thermal pad on the chokes despite the installation manual not mentioning it?
post #1045 of 1194
Quote:
Originally Posted by bud74 View Post

Hey guys. Haven't sported a team green card since gtx 260 many years ago. Had a R9 390 in the system and was having trouble keeping 60fps on newer titles maxed with the lg ultrawide. Couldn't wait for the new stuff to come out this summer! The card I bought is the Gigabyte 980 ti g1 gaming and I really like it so far after having to deal with system instability over the weekend after installing gpu. Never had that happen before. Was a little concerned though with spending so much money and reading stuff about the asic quality as mine is at 70.9%. The memory on the card I got is samsung though and seems most screen shots I have seen show hynix. Is the samsung memory preferable or not? Should I ignore the asic thing? Just playing around this morning, I bumped the core clock up a bit and ran bench with 1455 boost on the core. This card runs like its being chased!!!

Nah forget ASIC% with Maxwell it means little. For GM200 cards Hynix and Samsung both perform/overclock equally as well. biggrin.gif


Quote:
Originally Posted by Strider49 View Post

I'm going to install an EK waterblock onto my 980 Ti G1 card. Can I put a thermal pad on the chokes despite the installation manual not mentioning it?

You mean like this, I am not sure if these are the chokes or not.. I know what the VRMs are but I wasn't sure what I am covering in this pic. I put pads on them and don't have a problem.. does it help, I have no idea smile.gif I figured it couldn't hurt if they were a bit cooler..and the height seemed about the same as the VRMs so I went for it.


post #1046 of 1194
Quote:
Originally Posted by Laithan View Post

Nah forget ASIC% with Maxwell it means little.

Disagree. Asic % is not everything, but it does have a relevant affect on overclocking potential. I have a 74.1% asic card which does 1582mhz core on the stock bios while being 100% stable. I also have a 63% asic card that wouldn't even crack 1500mhz core on the stock bios. This is on water with an overkill custom loop. My gpu temps do not go past 38C even with the hottest stress tests. I got fed up with the crap oc'ing potential on the low asic card and flashed a custom bios. Even with the custom bios its still not fully stable past 1520mhz for folding but runs 1544mhz for gaming just fine.
    
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post #1047 of 1194
Quote:
Originally Posted by Laithan View Post

You mean like this, I am not sure if these are the chokes or not.. I know what the VRMs are but I wasn't sure what I am covering in this pic. I put pads on them and don't have a problem.. does it help, I have no idea smile.gif I figured it couldn't hurt if they were a bit cooler..and the height seemed about the same as the VRMs so I went for it.



The chokes are the ones in the middle of what you covered with thermal pads. I also don't know what those that you highlighted in the image are or what they do. I asked about the chokes because in some installation manuals that area is also covered with a thermal pad. And I have two thermal pads to use, so... why not use the second too? smile.gif

By the way, I just checked your picture guide, and it is really good! It will certainly be very helpful when it comes the time to open the graphics card tomorrow. Thank you. thumb.gif
Edited by Strider49 - 2/22/16 at 4:07pm
post #1048 of 1194
Quote:
Originally Posted by Strider49 View Post

The chokes are the ones in the middle of what you covered with thermal pads. I also don't know what those that you highlighted in the image are or what they do. I asked about the chokes because in some installation manuals that area is also covered with a thermal pad. And I have two thermal pads to use, so... why not use the second too? smile.gif

By the way, I just checked your picture guide, and it is really good! It will certainly be very helpful when it comes the time to open the graphics card tomorrow. Thank you. thumb.gif

Thanks bud!

Ok so those gray chokes (I feel edumasmart now lol) are very tall and if you did attempt to put pads there you'd have to just make sure they didn't raise your block which I think they would raise it and be a problem to be honest. I have never put thermal pads there anyway.

Wonder if someone knows what those other chips are and if they even get hot tongue.gif
post #1049 of 1194
Hello. Been playing around with 4 day old 980 ti G1 and I am really happy with the performance so far. One concern is the aggressive fan curve that I am using in afterburner keeping this gpu cool. Another thing that I am wondering though, is a asic quality of 70.9% worth keeping, or send back and try get lucky with a higher value? Is the chance better that I would get a higher card or are there a lot out there in the 60's. Thanks. I just dont want to spend this much money and get something that is inferior to more than not. Any thoughts?
post #1050 of 1194
Quote:
Originally Posted by bud74 View Post

Hello. Been playing around with 4 day old 980 ti G1 and I am really happy with the performance so far. One concern is the aggressive fan curve that I am using in afterburner keeping this gpu cool. Another thing that I am wondering though, is a asic quality of 70.9% worth keeping, or send back and try get lucky with a higher value? Is the chance better that I would get a higher card or are there a lot out there in the 60's. Thanks. I just dont want to spend this much money and get something that is inferior to more than not. Any thoughts?

If you happened to be looking at people trying to describe ASIC% on youtube, don't bother I haven't seen even one person that truly understood how it works. tongue.gif

I'll take some time for you and the audience for some ASIC% fun.
Take it or leave it (no debates it's too overdone already) tongue.gif

You do NOT have a bad ASIC% just so you know.. they are many with lower.. it is close to average and I assume your concern is with maximum overclock capability which with your GPU has almost nothing to do with ASIC% with Maxwell. ASIC% only has an INDIRECT relationship with maximum overclocking ability not a direct one. It is also only one factor that determines the maximum overclock when there is more than one factor responsible. Maxwell is very power efficient therefore the voltage gap between low and high ASIC% cards has narrowed EVEN FURTHER than with older generation GPUs. Maxwell simply takes less voltage for even low ASIC% GPUs to perform at their maximum potential compared to previous GPU generations.

I will explain further:

Of course we know that with a STOCK BIOS the voltages are defined in a range with Maxwell. The BOOST 2.0 tech will automatically determine the voltage needed under full load for any given BOOST speed. For the sake of simplifying this, let's assume we have 3 GPUs that all have an IDENTICAL maximum overclock of 1525Mhz however each one has a different ASIC% rating.

GPU 1 has an ASIC of 82% (HIGH ASIC%) and @ 1525Mhz averages 1.212v or 1.225v to reach that speed.
GPU 2 has an ASIC of 72% (MID ASIC%) and @ 1525Mhz averages 1.237v to reach that speed.
GPU 3 has an ASIC of 62% (LOW ASIC%) and @ 1525Mhz averages 1.243v to reach that speed.
(each GPU is different, yours may vary)

^ These are real voltages seen with a STOCK BIOS under load by all 980Ti owners. As we can see although the ASIC% varies QUITE A BIT (from 62% to 82%) the actual VOLTAGE range is only 1.212v - 1.243v

a difference of only 0.031v.

Now we can understand why ASIC% with Maxwell has little value.. Anyone that thinks that the difference of 0.031v is going to make any significant difference is dreaming smile.gif. The temps with that variance in voltage are also going to be well within normal/average ranges.

So as you can see, since Maxwell is power efficient the voltage range is very narrow. The only way you would be LIMITED BY ASIC% would be if you had such a low ASIC% that you needed to use a voltage higher than the STOCK BIOS would provide. You might need 1.250v or 1.256v volts to reach the GPU's maximum overclock potential with a super low ASIC%.

The last point to drive this home is that ASIC% (hopefully this is obvious at this point if I explained it well enough smile.gif) is ONLY really about what voltage is needed to reach your maximum overclock. The lower the ASIC% the more leakage therefore the higher voltage you will need to compensate.

There is also a lot to be said about "Silicon lottery" because I can tell you there are MANY people out there that have a low/mid ASIC% and are able to reach a stable boost over 1550Mhz... there are also just as many with a high ASIC% that can't get over 1500Mhz boost..


Here is some more info. Keep in mind this is from 2012 smile.gif
http://forums.anandtech.com/showpost.php?p=33445806&postcount=21
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