Discussion Nvidia Blackwell in Q1-2025

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Josh128

Senior member
Oct 14, 2022
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It was as far ahead in efficiency as the RTX 4080 is to the 7900 XTX. And it did all that at 2/3rd the price.
Somehow it never matters when Radeon is ahead though.
Not true according to TPU. 6900XT is on par with 3090 while 4080 is 16% more efficient and even the 4090 is more efficient despite a massive speed advantage.


Guru3Ds comparison is slightly more favorable, but 4080 is still 5% more efficient than XTX while 6900XT is only 3.5% more efficient than 3090.

 

reaperrr3

Member
May 31, 2024
86
279
86
Not even a fake made up peep from MLID, would have checked RTG but can't stand that liar's vewy annoying voice at all ...
RGT's "sources" are usually just the usual twitter leakers and chinese forums.
Can't remember the last time RGT got anything right that wasn't actually either Kep_L2's, AtW's, kopite's or some chinese forum guy's info.
MLID may fall for scams sometimes or mis-analyze info, but some of his sources appear to be legit.

MLID mentioned ~60% over 4090 at some point, and closer to 2x in RT.
Might've been just his guess, but it's not hard to guess anyway.
Going by GB203, GamingBlackwell seems to be nearly the same size for the same specs (SM, interface width), on nearly the same process, so apparently no noteworthy increase in transistor count per SM that would suggest major IPC increases. Probably focused on RT and higher clocks.

5090 has 33% more of everything, +33% faster memory.
Assuming 5% higher raster IPC per SM and 15% higher game clocks, that'd be ~60% more raw raster power with 77% more VRAM bandwidth.

So outside of CPU-limited scenarios (which may be common), I'd expect the 5090 to be 50-60% faster in raster, and 70-100% faster in RT.

It's not rocket science, though. Ada isn't Kepler, there's no Maxwell 2.0 moment to be had here, I'm afraid (I wouldn't mind eating my words later, I just don't see it happening).
 
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Jul 27, 2020
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Anyone expecting a flood of used 4090s from individuals and businesses ditching them for newer, shinier and more power efficient graphics and GPU/AI compute?
 

Josh128

Senior member
Oct 14, 2022
736
1,248
106
5090 has 33% more of everything, +33% faster memory.
Assuming 5% higher raster IPC per SM and 15% higher game clocks, that'd be ~60% more raw raster power with 77% more VRAM bandwidth.

So outside of CPU-limited scenarios (which may be common), I'd expect the 5090 to be 50-60% faster in raster, and 70-100% faster in RT.

It's not rocket science, though. Ada isn't Kepler, there's no Maxwell 2.0 moment to be had here, I'm afraid (I wouldn't mind eating my words later, I just don't see it happening).
No more than 40% in raster for 5090 vs 4090, RT probably around the same. Less for other SKU comparisons. 4080 to 5080 in particular is a sad turn of events if the rumored GB203 is correct. Only +5% shaders and RT cores vs AD103. This is a repeat of Turing, with all the real gains going to the top card of the generation. All the rest are barely more than refreshes with new GDDR.
 
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CakeMonster

Golden Member
Nov 22, 2012
1,603
780
136
Anyone expecting a flood of used 4090s from individuals and businesses ditching them for newer, shinier and more power efficient graphics and GPU/AI compute?
No idea about businesses, but from individuals less than before given the economic situation and the fact that the 4090 will play everything just fine. Just vibes though, I really have no idea.
 
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Golgatha

Lifer
Jul 18, 2003
12,377
998
126
Anyone expecting a flood of used 4090s from individuals and businesses ditching them for newer, shinier and more power efficient graphics and GPU/AI compute?
Not from gamers, or at least this gamer. The additional performance of the 5090 is nearly directly proportional to the increased cost, and my 4090 isn't exactly struggling to play the latest games. Also, the tariffs coming next year may make the price to performance ratio worse as well. Regarding tariffs, I moved up a purchases of a laptop, an external 4TB drive and a video card upgrade for my Plex server to this year instead of next, specifically for that reason; namely, I expect electronics in general to increase in price significantly soon due to the incoming tariffs.
 
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Reactions: igor_kavinski
Jul 27, 2020
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The additional performance is nearly directly proportional to the increased cost, and my 4090 isn't exactly struggling to play the latest games.
You can kinda offset some of the increased price by buying 5090 before the tariffs and selling the 4090 after the tariffs are implemented. But I think there's a risk that Nvidia will introduce something exclusive to the 5090 (and lock it off in the drivers from working on previous RTX cards) that may cause the 4090 to look unattractive. Maybe 60 fps guaranteed path tracing?
 

Golgatha

Lifer
Jul 18, 2003
12,377
998
126
You can kinda offset some of the increased price by buying 5090 before the tariffs and selling the 4090 after the tariffs are implemented. But I think there's a risk that Nvidia will introduce something exclusive to the 5090 (and lock it off in the drivers from working on previous RTX cards) that may cause the 4090 to look unattractive. Maybe 60 fps guaranteed path tracing?
I've thought about trying to time that. The closer to $1999 the 5090 is, the more likely I would be to purchase.
 

gdansk

Diamond Member
Feb 8, 2011
4,048
6,687
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The die size combined with the number of people I have seen interested in a $2000 5090 suggest it will not really be available. Except perhaps to those who queue at Microcenter. It's an ideal scalping item. Not Nvidia's fault, however, as there isn't much they can do when they make a chip this big.
 
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Golgatha

Lifer
Jul 18, 2003
12,377
998
126
The die size combined with the number of people I have seen interested in a $2000 5090 suggest it will not really be available. Except perhaps to those who queue at Microcenter. It's an ideal scalping item. Not Nvidia's fault, however, as there isn't much they can do when they make a chip this big.
It's good to live within a 15min drive to a Micro Center. Especially so during COVID lockdowns. I was able to get upgrades and video cards for new builds while we were in quarantine. Best find was a 3080 10GB on launch day for $699.99 when they were selling on eBay for $1500+.
 

Win2012R2

Senior member
Dec 5, 2024
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The die size combined with the number of people I have seen interested in a $2000 5090 suggest it will not really be available.
The only card worth buying, so demand will be insane - would be amazed if it's below $2500.
 

Hans Gruber

Platinum Member
Dec 23, 2006
2,495
1,339
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The only card worth buying, so demand will be insane - would be amazed if it's below $2500.
The card worth buying would be the 5070. It doesn't really matter because GDDR7 is an Nvidia exclusive this round of GPU's. The race to the bottom and mid grade is up for grabs.
 

poke01

Diamond Member
Mar 8, 2022
3,402
4,659
106
Big bundle of thanks should also go to Raja Koduri, for sabotaging the GPU efforts of the only other two x86 GPU competitors, with his incompetence.
Can we stop blaming him? The current mess is not due to him
It's probably worse situation than Apple as that company only has this slaver grip on a minority of the markets they are in and they are not able to really stifle the other computer or phone makers.
Apple don’t stifle competition they fight them with products and software, not back hand deals like Nvidia does where they prevent manufacturers to work with Intel or AMD. Nvidia is a scummy company but so is AMD and Apple.

in 2025 Nvidia and AMD will sell you 8GB GPUs. I don’t care if the GPU is $200, 8GB cards should not exist
 

CP5670

Diamond Member
Jun 24, 2004
5,656
757
126
No idea about businesses, but from individuals less than before given the economic situation and the fact that the 4090 will play everything just fine. Just vibes though, I really have no idea.
I'll decide whether to get one based on availability and resale values of the 4090, but there is nothing I play that would benefit from it at 4K. But if it's effectively microcenter only, then the 4090 prices will stay up and the upgrade might not cost that much.
 
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