Question 'Ampere'/Next-gen gaming uarch speculation thread

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O

Ottonomous

Senior member
May 15, 2014
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How much is the Samsung 7nm EUV process expected to provide in terms of gains?
How will the RTX components be scaled/developed?
Any major architectural enhancements expected?
Will VRAM be bumped to 16/12/12 for the top three?
Will there be further fragmentation in the lineup? (Keeping turing at cheaper prices, while offering 'beefed up RTX' options at the top?)
Will the top card be capable of >4K60, at least 90?
Would Nvidia ever consider an HBM implementation in the gaming lineup?
Will Nvidia introduce new proprietary technologies again?

Sorry if imprudent/uncalled for, just interested in the forum member's thoughts.
 
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Q

Qwertilot

Golden Member
Nov 28, 2013
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exquisitechar said:
3080 already has a huge number of SMs disabled (68 of the full 84 are enabled). Yields would have to be absolutely horrible for that to be the case. It's obvious what is happening with the number of rumored new SKUs so soon after launch, that seem to have the potential to almost invalidate already existing cards. They are filling performance gaps that AMD will compete in, as usual.
Click to expand...

Yes, I know not that a priori plausible, but if they launch 'now' (or soon) and there isn't enough 'naturally' defective stock they'd have to be disabling bits of functional dies that they've already presold (as 3080's) at a higher price. That's really not very plausible either.

Obviously ignore all of this if it doesn't launch until Spring next year.

Or if the rumour collapses :)
 
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H

Head1985

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Jul 8, 2014
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PhoBoChai said:
So basically a 3090 with 12GB vram.

Wtf is the point of the 3090 then, it still doesn't get pro drivers or full tensor performance.
Click to expand...
Point was slap 24GB useless Vram on 3090 and overprice it(idiots will buy it anyway and nv make HUGE margins).But looks like now Nv is in full panic mode because big navi will be very good so they realeasing anything they can.
3070TI will kill 3080(almost same number of sp, same bus and memory)
3080TI will kill 3090(almost same number of SP and not useless 24GB vram)
3060TI will kill 3070(3070 have only 20% more sp and same 8GB vram and 256bit.The gap will be only like 12%)
So basically whole new lineup because AMD is competitive.

What i dont understand is they still sticking with 500usd price tag for 3070.Because tomorrow AMD will show 3070 competitor with 16GB Vram and 10-15% faster(slowest navi21) and probably for 500-550usd so 3070 for 500usd is DOA.
I was thinking they will price cut 3070 before reviews.
 
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J

JoeRambo

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Jun 13, 2013
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I wonder if NV botched 3080 launch on purpose. They probably got early info about AMD card and decided to stockpile chips for 3080TI a card that makes much more sense in 2020 with 12GB of FB, much easier sale versus 16GB AMD will have.
 
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Heartbreaker

Heartbreaker

Diamond Member
Apr 3, 2006
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Hey, 3070 Embargo busted?
arstechnica.com

Nvidia RTX 3070 review: AMD’s stopwatch just started ticking a lot louder

Ahead of Radeon RX 6000 series reveal, we examine Nvidia’s new mid-high RTX card.
arstechnica.com arstechnica.com

In several posts, I mentioned how it didn't seem like 3070 had the memory bandwidth and other resources to compete with the 2080Ti, and in the above review, it really doesn't. It looks a lot closer to a 2080 Super IMO.

Edit: Looking at more reviews, it just looks like another Arstechnica review screwup.
 
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M

Mopetar

Diamond Member
Jan 31, 2011
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guidryp said:
Hey, 3070 Embargo busted?
arstechnica.com

Nvidia RTX 3070 review: AMD’s stopwatch just started ticking a lot louder

Ahead of Radeon RX 6000 series reveal, we examine Nvidia’s new mid-high RTX card.
arstechnica.com arstechnica.com

In several posts, I mentioned how it didn't seem like 3070 had the memory bandwidth and other resources to compete with the 2080Ti, and in the above review, it really doesn't. It looks a lot closer to a 2080 Super IMO.

Edit: Looking at more reviews, it just looks like another Arstechnica review screwup.
Click to expand...

Perhaps it's worth looking into to see what they're doing differently, but most reviews have it more in line with the 2080 Ti. It might lose occasionally, but it's typically only by a small amount or with the margin of error for the testing being done.

Since it can be compared so well to a 2080 Ti it should make a good test subject for whether or not there's really any VRAM limitations with the 3070/3080 or what might seem to cause it.

I'm also surprised it stacks up against the 3080 given how many more shaders and how much more memory bandwidth the 3080 has. The 3070 is even better value per dollar than the 3080 and I figured that was going to be hard to beat.
 
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E

exquisitechar

Senior member
Apr 18, 2017
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Mopetar said:
I'm also surprised it stacks up against the 3080 given how many more shaders and how much more memory bandwidth the 3080 has. The 3070 is even better value per dollar than the 3080 and I figured that was going to be hard to beat.
Click to expand...
I guess it's because it's less overloaded with SMs per GPC. Both have 6 GPCs, 3070 has 46 SMs compared to the 3080's 68.
 
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H

Hitman928

Diamond Member
Apr 15, 2012
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guidryp said:
Hey, 3070 Embargo busted?
arstechnica.com

Nvidia RTX 3070 review: AMD’s stopwatch just started ticking a lot louder

Ahead of Radeon RX 6000 series reveal, we examine Nvidia’s new mid-high RTX card.
arstechnica.com arstechnica.com

In several posts, I mentioned how it didn't seem like 3070 had the memory bandwidth and other resources to compete with the 2080Ti, and in the above review, it really doesn't. It looks a lot closer to a 2080 Super IMO.

Edit: Looking at more reviews, it just looks like another Arstechnica review screwup.
Click to expand...

Note that the 2080S and 2080Ti in the Ars review are overclocked. The 2080Ti and 2080S cards on average are pretty good overclockers if they have sufficient cooling so those results in general don't surprise me. I haven't seen much in the way of 3070 overclocking though. GN tried to overclock theirs but did not get much out of it. We'll have to wait and see if that is typical for the cards or if they just got a dud.
 
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B

Bouowmx

Golden Member
Nov 13, 2016
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GeForce RTX 3070 ~ 2080 Ti when comparing Founders Edition, but individual titles heavily vary. But since the 2080 Ti has conservative frequencies, it can gain more from partner cards than the 3070 would.

Anyway, today reassures 3060 Ti ~ 2080 SUPER, and if the 3060 Ti comes at ~350 USD, I'll be interested.
 
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Heartbreaker

Heartbreaker

Diamond Member
Apr 3, 2006
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Hitman928 said:
Note that the 2080S and 2080Ti in the Ars review are overclocked. The 2080Ti and 2080S cards on average are pretty good overclockers if they have sufficient cooling so those results in general don't surprise me. I haven't seen much in the way of 3070 overclocking though. GN tried to overclock theirs but did not get much out of it. We'll have to wait and see if that is typical for the cards or if they just got a dud.
Click to expand...

HWUB didn't get much out of the chip either, but IIRC, they got decent uplift from a memory OC. It really seems a bit starved for memory BW.
 
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C

CP5670

Diamond Member
Jun 24, 2004
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The new GA102 looks quite interesting. However, I bet it will cost $1000+ and either not be released or have very low availability until next year. If it's any cheaper than that, people won't buy the 3080 anymore.
 
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M

Mopetar

Diamond Member
Jan 31, 2011
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Well the 3080 has ~70% (760 GB/s vs 448 GB/s) more memory bandwidth than the 3070, so it seems like that's more likely to be a performance bottleneck than anything else. It's also the easiest to alleviate since NVidia can eventually release a GDDR6X version that could hit ~600 GB/s assuming the same memory clocks are used.

Regardless of what AMD comes out with, Ampere is probably one of the best products NVidia have offered in a while and if it weren't for low launch supplies I don't think anyone would have any kind of complaint against it. You can easily dial back the voltage for a massive reduction in power draw without sacrificing any real performance and the prices are in line with what they were charging for similarly situated cards in their product stack back in the Kepler and Maxwell days.
 
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moonbogg

moonbogg

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Jan 8, 2011
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The 6900 XT pretty much guarantees Nvidia will drop a 3080Ti with 12GB for $1000, lol. So, if you want a half-decent amount of Vram from Nvidia, you gotta spend $1000 for it. Otherwise, you get a pathetic 10GB. I think Nvidia is screwed here. I can't imagine getting anything other than a 6800 XT at this point. You get 3080 performance with 16GB Vram for $650. I don't think Nvidia will even try to compete with this. They will be like Intel and just keep charging hilarious prices, giving you less and less for your money until everyone just starts going red.
 
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misuspita

misuspita

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Jul 15, 2006
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So... nVidia will offer a choice.

Get a 3080 with 10GB for 699 or
Get a 3080ti with 12GB for 999 (allegedly) or
Get a 6800t with 16GB for 650?


Yeah, tough choice, when all of them have similar performance :) (except RT, maybe)
 
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