LIVE: RTX 3090 Overclocking (Air & Liquid Nitrogen)
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Date: 2020-09-26
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Comments and reviews: 10
Smarter
Here are excerpts from a couple of Igor's Lab articles on the 3080/90 ...
Igor's Lab Aug 27, 2020 = NVIDIA has also completely sealed off the evaluation drivers this time. I don t even think Furmark, let alone Time Spy, is running anymore, but only NVPunish (a stress testing program) for the thermal tests... from a board partner s point of view it is of course quite strange when you produce something you don t even know how fast it will be in the end.
Igor's Lab Sept 25, 2020 - reference board PG132, which can also be understood as a so-called Base Design. Especially the backside and especially the area below the BGA is interesting. What is interesting about such drawings and the so-called BoM (Bill of Materials) is that you are offered different placement alternatives.
Below the BGA we see the six NECESSARY capacitors for filtering high frequencies on the voltage rails, i.e. NVVDD and MSVDD.
The BoM and the drawing from June leave it open whether large-area POSCAPs (Conductive Polymer Tantalum Solid Capacitors) are used (marked in red), or rather the somewhat more expensive MLCCs (Multilayer Ceramic Chip Capacitor).
...According to the list and specifications of Nvidia, both are possible...
This also applies to the question of whether the BoM was subsequently changed again to completely exclude the exclusive use of POSCAPs/SP-CAPs.
From reading the full articles it sure sounds like Nvidia may not have provided working drivers to AIB partners until late in the development process and may have known about capacitor issues, since the FE cards have 4 poscaps and 2 mlcc's ... but it appears the BoM may at one point indicated that 6 poscaps would work? Would love if GN could confirm any of what is in Igor's work and if I am reading it correctly?
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Here are excerpts from a couple of Igor's Lab articles on the 3080/90 ...
Igor's Lab Aug 27, 2020 = NVIDIA has also completely sealed off the evaluation drivers this time. I don t even think Furmark, let alone Time Spy, is running anymore, but only NVPunish (a stress testing program) for the thermal tests... from a board partner s point of view it is of course quite strange when you produce something you don t even know how fast it will be in the end.
Igor's Lab Sept 25, 2020 - reference board PG132, which can also be understood as a so-called Base Design. Especially the backside and especially the area below the BGA is interesting. What is interesting about such drawings and the so-called BoM (Bill of Materials) is that you are offered different placement alternatives.
Below the BGA we see the six NECESSARY capacitors for filtering high frequencies on the voltage rails, i.e. NVVDD and MSVDD.
The BoM and the drawing from June leave it open whether large-area POSCAPs (Conductive Polymer Tantalum Solid Capacitors) are used (marked in red), or rather the somewhat more expensive MLCCs (Multilayer Ceramic Chip Capacitor).
...According to the list and specifications of Nvidia, both are possible...
This also applies to the question of whether the BoM was subsequently changed again to completely exclude the exclusive use of POSCAPs/SP-CAPs.
From reading the full articles it sure sounds like Nvidia may not have provided working drivers to AIB partners until late in the development process and may have known about capacitor issues, since the FE cards have 4 poscaps and 2 mlcc's ... but it appears the BoM may at one point indicated that 6 poscaps would work? Would love if GN could confirm any of what is in Igor's work and if I am reading it correctly?
reply
Sitarow
12:20 & 1:26:04 are an example of the correct BoM caps to use to prevent power noise at higher clock frequencies. Some cards unfortunately did not realize the importance of these little caps.
3:32:33 is an example of the use of all MCLL caps.
Edit: There are different types of POSCAPS 220's and 470's and 330's - Higher number has more top voltage but also added noise. I used 470's when I replaced the old caps on my PS3 60GB.
1:59:09 Steve reads the official statement from EVGA
2:01:00 Example of pre production with no MCLL caps from EVGA.
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12:20 & 1:26:04 are an example of the correct BoM caps to use to prevent power noise at higher clock frequencies. Some cards unfortunately did not realize the importance of these little caps.
3:32:33 is an example of the use of all MCLL caps.
Edit: There are different types of POSCAPS 220's and 470's and 330's - Higher number has more top voltage but also added noise. I used 470's when I replaced the old caps on my PS3 60GB.
1:59:09 Steve reads the official statement from EVGA
2:01:00 Example of pre production with no MCLL caps from EVGA.
reply
Hector
3:45:38 for those interested in seeing why I'd pay 5 to ask when the next graphics vid from Andrew will be - check out Ask GN 100 and scroll to the question at 17:58 Is Ray Tracing Actually Beneficial?
It's a crime against technology that it's been 2 year since he's been on xD
edit: he was also featured in a video on ray tracing last February (part 1 of a ? part series called 100% Ray-Traced Game [this installment titled Faking RTX Global Illuminations vs RTX ] - so maybe Steve's talking about part 2 in his answer.)
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3:45:38 for those interested in seeing why I'd pay 5 to ask when the next graphics vid from Andrew will be - check out Ask GN 100 and scroll to the question at 17:58 Is Ray Tracing Actually Beneficial?
It's a crime against technology that it's been 2 year since he's been on xD
edit: he was also featured in a video on ray tracing last February (part 1 of a ? part series called 100% Ray-Traced Game [this installment titled Faking RTX Global Illuminations vs RTX ] - so maybe Steve's talking about part 2 in his answer.)
reply
RadicalxEdward
The guy who donated 1,000 is a great example of why fixed donation amounts don t work. Value for value works best.
Stovinism felt he gets 1,000 worth of value from GN, so he gave 1,000. Others might feel it s less valuable or more. If you say chip in even 1 people will, but they will be less likely to do 10 or 100 or 1000 even if they re willing.
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The guy who donated 1,000 is a great example of why fixed donation amounts don t work. Value for value works best.
Stovinism felt he gets 1,000 worth of value from GN, so he gave 1,000. Others might feel it s less valuable or more. If you say chip in even 1 people will, but they will be less likely to do 10 or 100 or 1000 even if they re willing.
reply
Hallelujah
I admire that you want all the facts about the capacitors and don't want to talk about it, but surprised you didn't have at least a little bit more to say especially after EVGA confirmed it. You must have had an inkling that something was wrong with this launch cycle speaking to all your sources?
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I admire that you want all the facts about the capacitors and don't want to talk about it, but surprised you didn't have at least a little bit more to say especially after EVGA confirmed it. You must have had an inkling that something was wrong with this launch cycle speaking to all your sources?
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RadicalxEdward
Snobs love ragging on RGB but it s extremely popular for a reason. I literally built a 2,000 full open loop hardline system (including the best RGB on a gpu, the Sapphire Nitro+ 5700XT with SE RGB fans) just so I could use RGB fittings and an RGB distro block. RGB4LIFE
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Snobs love ragging on RGB but it s extremely popular for a reason. I literally built a 2,000 full open loop hardline system (including the best RGB on a gpu, the Sapphire Nitro+ 5700XT with SE RGB fans) just so I could use RGB fittings and an RGB distro block. RGB4LIFE
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P4RADIGM
is it possible to view my 3Dmark results relative to others that are higher/lower instead of just seeing this dumb Top100 screen and mine on the bottom? I would prefer to see my score in the center, and the next 20 better and 20 lower scores above and below mine... ?
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is it possible to view my 3Dmark results relative to others that are higher/lower instead of just seeing this dumb Top100 screen and mine on the bottom? I would prefer to see my score in the center, and the next 20 better and 20 lower scores above and below mine... ?
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Age_of_fire
Man I remember the old days when Over Clocking actually meant something, you could get real performance boosts out of GPU's and CPU's back then. Now, the cards run at max boost by themselves so OCing is pretty meaningless.
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Man I remember the old days when Over Clocking actually meant something, you could get real performance boosts out of GPU's and CPU's back then. Now, the cards run at max boost by themselves so OCing is pretty meaningless.
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Astro143_
So happy I decided to watch this now, managed to jump on the mouse mat! I had just emailed you guys about that the other day, I was expecting it to be a christmas present to me from me. Thanks! looking forward to RIPGN/Jayz
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So happy I decided to watch this now, managed to jump on the mouse mat! I had just emailed you guys about that the other day, I was expecting it to be a christmas present to me from me. Thanks! looking forward to RIPGN/Jayz
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Linda
Really interesting to finally see a nitrogen over clocking of a GPU, always thought it was a parlour trick, but I get it a little bit more now, and that it has a legitimate place in demonstrating GPU, and CPU overclocking.
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Really interesting to finally see a nitrogen over clocking of a GPU, always thought it was a parlour trick, but I get it a little bit more now, and that it has a legitimate place in demonstrating GPU, and CPU overclocking.
reply
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