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Daisy chaining was the main reason I remember, and the occasional not seated properly. Imo if we take the survey as representative of reality, the difference between 3.3 and 4% I don't think warrants enough of a reaction from 3.3 is fine to 4 omg what a bunch of whoppers, etc. Although I suspect real world numbers will be lower for both.
I don't think Nvidia really shoulders much blame over all this (for once). The idea of introducing a new connector to serve the needs of power-hungry modern cards isn't a bad one. Frankly, it's silly having to run three or four seperate 8-pin cables to higher-end cards. It's just that the resulting design that's a complete mess thanks to a lack of proper standards from PCI-SIG and manufacturers cutting corners to save half a cent.
I thought they mentioned that most of the failures with the old (6/8 pin PCI-E) connectors involved daisy-chained setups. That's an extra level of stress that none of the 12VHPWR connectors have had to deal with.Gamers nexus has done a new survey of 23k users
What they found is 12hwpr is 22% more likely to fail than 6 and 8 pin PCIE
Good point around the manufacturers skimping on the build. This has been an issue for a long time. Certain cables are designed way over the current needed specs, so the cable designers build to a lower spec and nobody notices as at the time nowhere near reaching the claimed spec. This became very apparent when 2.1hdmi opened to 120hz. Many people suddenly having issues. Another time this happened was usb cables and vr. Vr was first hardware that would need the full spec, all of a sudden many people found out their cables couldn't handle the bandwidth and in many cases even the board manufacturers had skimped, so there were even motherboards that couldn't handle it.
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What they should be doing is pushing for more efficiency and less power draw. Nvidias upcoming 5090 is rumoured to be a 600w+ card. This is obscene, things are supposed to get better not worse. Everyone was saying the GTX480 was a joke with it's power draw but even that pales into insignificance when compared to these new cards. Same with cpu's, AMD's FX9590 was a 220w part and could draw even more than that when pushed yet Intels 14900k sails way past that and nobody bats a eyelid. The big three, Intel, Nvidia, AMD, all need to get on top of power efficiency. In AMD's favour at least Ryzen is going in the right direction but they have a lot of work to do on their GPU's.
Efficiency and power draw aren't the same thing though. The 4090 is one of the most power efficient cards ever made, despite its high power draw. It's only beaten in that respect by the 4080 and 4080 Super, which are also 300W+ cards. Despite their high power consumption, they deliver the performance to justify it. Parts like the 9590 and 14900K do not, and simply chug power for relatively underwhelming performance increases over other options. Additional performance can't just be magicked up out of nowhere when it comes to GPUs. The way you make them perform better is by making them bigger, which also makes them consume more power. That's somewhat offset by architectural improvements and node jumps, but there are limits. It's going to be even more of a struggle with the RTX 5000 series, as this time Nvidia don't have a large node jump to help them out. It's essentially the same manufacturing process as the 4000 series, so beyond whatever architectural improvements they've come up with (and most of the low-hanging fruit when it comes to efficiency was picked a long time ago), the only way to push more performance is going to be bigger GPUs and higher power consumption.
It is, in lower SKUs. The xx90 series are for enthusiasts who don't care about power use. Also, these chips come from datacentre design, where power use isn't a big issue where performance matters the most, though they have enough power and cooling for that and do not care about noise - not the case at home with heat and noise. Still, we are at the edge of what silicon tech can do, so you either can get more performance or more power, or less power used - not both anymore, in most cases. In addition, it seems power efficiency in PCs just do not sale - customers historically did not care one bit about that, they only cared about more performance.
Corsair's original cable that can be used with many of their PSUs indeed has 2x8pin on one side and 12VHPWR on the other side. You just need 2 of these, there should be no problem with that. And each can handle 600W by itself anyway, so with 2 it would be just sharing the load, so 300W max per cable, which is even easier and safer to run. I am currently using one from them with my 850W PSU with 0 issues with 4090 (so far, but you never know with this bloody connector!).
I think you're understating the difference. PCIe 6/8 pin connectors have been around for about 20 years now, while 12VHPWR has only existed for 2. If we assume that failures are distributed evenly over time, then it would actually be a 12x difference. If we assume a bathtub curve for failure rate then it's even worse (because GPUs using 12VHPWR connectors are still a long way from the end of their lives, and thus aren't expected to fail yet).Gamers nexus has done a new survey of 23k users
What they found is 12hwpr is 22% more likely to fail than 6 and 8 pin PCIE
we will find out that 12hwpr was a mistake when nvidia finaly decides to change it
This is what I was thinking.
