[Kitguru] Nvidia continue to come under fire for poor GTX590 design

[QuantumPion]

Ouch, you could toast a marshmallow on that thing.

I wonder if cards like this will eventually start coming with OEM water coolers similar to the corsair products.

 

[Keysplayr]

Thank you.

:thumbsup:

 

[SirPauly]

Thank you.

Well, you desired to know more about the phases and now you understand there is 10 total for the GPU's and four for the memory. It's a start.

 

[badb0y]

Don't know why people feel the need to thread crap, it's a legitimate thread and it has a good amount of information for everyone.

 

[Grooveriding]

Don't know why people feel the need to thread crap, it's a legitimate thread and it has a good amount of information for everyone.

Yes. From the websites, such as lab501, where they had failures there feeling is it is the 590's VRMs that cause failures.

I am curious why there are these user's accounts where there 590 failures involved those small components and not VRMs.

Unless the case is that those are the only visible burnt components to them after the failure since you cannot actually see the VRMs as they are underneath the heatsink. Which makes sense I guess

 

[SirPauly]

I think that's the key; to simply see how these products are over time in gamers' hands. Has there been any incidents as of late?

 

[OCGuy]

Wasn't Kitguru the rumour site that got busted for a false headline last week?


Between that "article" and them saying that Crysis 2 would be delayed for development of the 580, and that the game would have obscene amounts of Physx and Tesselation just to gimp gameplay on AMD hardware....Let's just say I am glad you posted the quote so I was not tempted to give them any page-clicks.

The "article" linked in this thread is just a hit-piece, and it's as if they are trying to negate their earlier false proclamations.

 

[Grooveriding]

Wasn't Kitguru the rumour site that got busted for a false headline last week?

For the most part it was correct as ASUS did release a new bios for the 590 to account for its power management issues.

 

[Keysplayr]

For the most part it was correct as ASUS did release a new bios for the 590 to account for its power management issues.

Actually, if it was ASUS, then it wasn't correct at all. Because......

"Well, nVidia’s engineering squad have just completed work on a BIOS that is intended to prevent future GTX590 explosions."

From last weeks Kitguru article. They seriously jumped on the web hit propaganda wagon. Please don't say their article was correct anymore.

 

[Grooveriding]

Actually, if it was ASUS, then it wasn't correct at all. Because......

"Well, nVidia’s engineering squad have just completed work on a BIOS that is intended to prevent future GTX590 explosions."

From last weeks Kitguru article. They seriously jumped on the web hit propaganda wagon. Please don't say their article was correct anymore.

Stay on topic, please. This is the same sort of thing that has ruined any other thread about 590 issues.

 

[3DVagabond]

Just FYI folks and a reference to Kitguru as of late. Not exactly exuding the best track record over the last week or so when it comes to reporting. So grain of salt.
http://forums.anandtech.com/showthread.php?t=2154162&highlight=kitguru

Actually, if it was ASUS, then it wasn't correct at all. Because......

"Well, nVidia’s engineering squad have just completed work on a BIOS that is intended to prevent future GTX590 explosions."

From last weeks Kitguru article. They seriously jumped on the web hit propaganda wagon. Please don't say their article was correct anymore.

That's only one site's links in Grooveriding's post. Since you can't discredit the information you attack the credibility of the source. Which is way better than yours or mine, BTW. Are you going to home in on this like you did W1zzard's 1.2V and ignore everything else?

 

[Silverforce11]

Kitguru is right, but it can be easily misunderstood. Each GPU has 5 phase VRMs and 5 mini-inducers. The GPU has an IMC built in, thats the integrated memory controller and it sucks a lot of power. One of the problems NV have been having is they cannot run their GDDR5 at high speed compared to AMD due to their IMC being less efficient (causing a huge power use increase etc). So its 4 for the "GPU" and 1 for the "IMC", essentially its the same as saying 5 for each GPU because its the same thing.

The last photo of techpowerup's exploding card, the VRM burnt, its the smaller TDA chip. The bigger one is the inducer.

I'm certain a 590 non-reference design will be a truly awesome enthusiast card, and it could be priced $800 and it will sell. You allow a 590 to safely run at 580SLI speeds, its going to be great.

 

[Grooveriding]

Kitguru is right, but it can be easily misunderstood. Each GPU has 5 phase VRMs and 5 mini-inducers. The GPU has an IMC built in, thats the integrated memory controller and it sucks a lot of power. One of the problems NV have been having is they cannot run their GDDR5 at high speed compared to AMD due to their IMC being less efficient (causing a huge power use increase etc). So its 4 for the "GPU" and 1 for the "IMC", essentially its the same as saying 5 for each GPU because its the same thing.

The last photo of techpowerup's exploding card, the VRM burnt, its the smaller TDA chip. The bigger one is the inducer.

I'm certain a 590 non-reference design will be a truly awesome enthusiast card, and it could be priced $800 and it will sell. You allow a 590 to safely run at 580SLI speeds, its going to be great.

Thank you for some clarity :thumbsup:

I am trying to understand how those small components are failing for people if the consensus is that it is the VRMs that are poor. And if those small pieces are related to the VRMs or another issue with failure altogether.

 

[Zanovar]

Thank you for some clarity :thumbsup:

I am trying to understand how those small components are failing for people if the consensus is that it is the VRMs that are poor. And if those small pieces are related to the VRMs or another issue with failure altogether.

you are back groove,thank fook for some clariity,sheesh

 

[Keysplayr]

Stay on topic, please. This is the same sort of thing that has ruined any other thread about 590 issues.

I was, as in direct response to your quote. And no it isn't. Unless you meant, ruined it for you to which I might agree with you.

 

[SirPauly]

You allow a 590 to safely run at 580SLI speeds, its going to be great.

Why can't it be a great product if it can run safely at GTX 570 Sli performance?

 

[Skurge]

Why can't it be a great product if it can run safely at GTX 570 Sli performance?

Maybe cause 570SLI is cheaper?

 

[ZimZum]

Why can't it be a great product if it can run safely at GTX 570 Sli performance?

Because it costs the same as a competing product that can run at 580 SLI speeds?

 

[Keysplayr]

Maybe cause 570SLI is cheaper?

How much are two GTX570s? I'm seeing an average price of around 350.
Two of them would be, well what do you know, about the price of a GTX590.

 

[SirPauly]

With some value based shopping but the MSRP for the GTX 570 is 349. I see keys answered the question!

 

[Zanovar]

How much are two GTX570s? I'm seeing an average price of around 350.
Two of them would be, well what do you know, about the price of a GTX590.

only you would know hey keys:whiste:


Knock it off with the baiting please.

Idontcare
Super Mod

 

[SirPauly]

Because it costs the same as a competing product that can run at 580 SLI speeds?

You think the 6990 competes with 580 Sli?

 

[ZimZum]

You think the 6990 competes with 580 Sli?

Yes an OCd 6990 "can run at 580 SLI speeds".

 

[Skurge]

With some value based shopping but the MSRP for the GTX 570 is 349. I see keys answered the question!

A lot of them seem to be just over $300. I guess its close enough to not matter. The 570s seemed cheaper than that though. Maybe I was looking at the wrong cards.

 

[AtenRa]

Going on that what would you say accounts for those smaller components failing on the three cards ? And are they related to the VRMs.

As well what would account for the different MOSFET failure seen at techpowerup and could it be a similar failure as seen in those other three examples or a failure of a different type ?

From the photos there seems to be ceramic capacitors but we have no clue if they are part of the VRM implementation or not.

GTX590 has 5 phase VRM for each GPU + 2 Phase VRM for the memory.
The VRM is composed of three components. The logic device, the power device and the filtering device.

The logic device is the VC (Voltage Controller) or PWM (Pulse Width Modulation) that controls the power (Voltage and Current) the GPU wants, actually the PWM is inside the VC.
The power device is the MOSFET (Metal-Oxyd Semiconductor Field Effect Transistor) that actually power (Voltage and Current) the GPU.
The filtering device is the Inductor and the capacitors and they “smooth” (no large variations) the MOSFETs output power.

The GTX590 has two VC controllers(one per GPU chip) the CHil CHL8266 (2)
http://www.chilsemi.com/wp-content/uploads/chl8266-product-brief2.pdf

There are 5 MOSFETs per GPU made by Infineon TDA21211 (4)
http://html.alldatasheet.com/html-pdf/312873/INFINEON/TDA21211/776/2/TDA21211.html

We have 5 Inductors per GPU (A101 1052F) (3)

There are 4 Solid Electrolite Capacitors per GPU (A1 OCRZ 270 16V) (5)

And on the back of the card there are 8 330uf capacitors per GPU.

1 : 2 Phase memory VRM
2 : CHil CHL8266 VC controller
3 : Inductors
4 : MOSFET
5 : Solid Electrolite Capacitors

Edit: Im not 100% sure the 4 Solid Electrolite Capacitors are part of the VRM.