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NVIDIA GeForce GTX 560 Ti with 448 Cores Launched

btarunr

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btarunr

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#3


My money is ready.
 
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#4
Aside from the G110 core this is basically a 470, spec wise. Even has the same max power consumption, though I'd say that's mostly coincidental.
 
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John Doe

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#5
Aside from the G110 core this is basically a 470, spec wise. Even has the same max power consumption, though I'd say that's mostly coincidental.
Well, not at all. It's all coincidental. I saw one or two of these boards without coolers on them, same PCB as 570 with that weak 4-phase power. It has a different cooler, PCB and such than a 470. Seems like non-ref is the way to go again. These VRM issues are getting stupid. Cards are failing to cheap out on a FET or two. Like a building that collapses due to lack of a brick or two.
 

btarunr

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#6
Aside from the G110 core this is basically a 470, spec wise. Even has the same max power consumption, though I'd say that's mostly coincidental.
Aside from GF110, clock speeds, and overclocking headroom.
 
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John Doe

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#8
Actually, the 470 has a huge OC'ing headroom. More than most other cards I can recall. It has a low stock clock at 600 core, but can get up to 800-850. And has a lot to gain from it's core. More than the 570's that're limited by VRM.

 
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#9
According o W1zzard's measurements it consumes like 50w less than the 570 at max load, and 20-30w less on average, so it should be fine.

Honestly I didn't expect this much from this card. Performance is almost on par with GTX 570 (or HD6970), but it consumes a lot less while doing so. I expected the opposite tbh, similar power consumption as the 570 with "significantly" reduced performance, similar to the difference between 570 and 580. The 570 was really bottlenecked by memory/ROPs after all.
 
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#10
Well, not at all. It's all coincidental. I saw one or two of these boards without coolers on them, same PCB as 570 with that weak 4-phase power. It has a different cooler, PCB and such than a 470. Seems like non-ref is the way to go again. These VRM issues are getting stupid. Cards are failing to cheap out on a FET or two. Like a building that collapses due to lack of a brick or two.
No, not all. It's as I said. The power consumption part is surely coincidental due to the core, board, and PCB changes, but those specs being the same (448, 40, 320, 1280) is not. There's only so many choices with this architecture.
 

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#12
unlockable to a GTX570 i wonder if?
 
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#14
Actually, the 470 has a huge OC'ing headroom. More than most other cards I can recall. It has a low stock clock at 600 core, but can get up to 800-850. And has a lot to gain from it's core. More than the 570's that're limited by VRM.

http://img845.imageshack.us/img845/9696/haux2.jpg
You're so right. GTX 470/480 were underclocked or overvolted, call it whatever you like. :rockout:
 
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#15
J

John Doe

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#16
Identical. At least when it comes to overall architecture and amount of enabled parts, both GTX470 and this card are identical, as your pictures show.

I don't understand what are you trying to say.
What I'm trying to say is, the 470 had two rasterisers disabled over 480. Other hand, the 570 had one disabled over 580, so they had to disable one more to slow it down. It's coincidental, not done on purpose for the card to be similar to a 470.
 
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#17
What I'm trying to say is, the 470 had two rasterisers disabled over 480. Other hand, the 570 had one disabled over 580, so they had to disable one more to slow it down. It's coincidental, not done on purpose for the card to be similar to a 470.
Uff. Erm no. Al three, GTX470, 570 and 560 ti 448 have one rasterizer disabled*.

*To be precise they have one memory controler disabled which on practice disables one rasterizer too (or at least it disables the capabilities of one rasterizer, since one rasterizer cannot write to memory). In reality no rasterizer is really disabled afaik, but at any given time there's going to be one rasterizer that cannot write to memory, making it useless.

Now the 570 and 480 have one SM (shader multiprocessor) disabled and the 470 and 560 ti 448 have 2 disabled, each SM has 32 SP, so the 480 and 570 have 512-32= 480 and 560 ti 448 and 470 have 521-64= 448.

The end result is that the specs of the 470 and 560 ti 448SP are exactly the same. It's not coincidental, it's the only posibility considering the architecture and how many blocks have been disabled.
 
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John Doe

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#18
You're failing to understand. It doesn't matter. That is what it was going to be. The card isn't built ON PURPOSE to be like a 470. With two disabled, it becomes similar to a 470 in it's block config.

He's saying they made the card to be like a 470. They didn't. This card isn't a 470 period. It only has it's shader config fallen in the same boat.
 
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#19
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John Doe

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#20
Chillax. At this point it's like you're discussing something else with someone else. Perhaps it's my fault that the connection between the words "basic" and "spec" was imprinted into you negatively. I'll consider your irrelevant debate a result of conversational error.
Look, this card is most closer to a 570. It should be called a "watered down 570" or something, not a 470. The 470 is built on a different PCB, cooler, and with a different, higher OC'ability potential. The only things they two have in common is the shader config.
 
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#21
No one said they made it on purpose, but the end result is a card that spec wise, is identical, except for clocks. It's not coincidental, it is the only posibility considering they use a chip that s identical in it's overall architecture to that in the GTX470, and they disabled the exact same amount of blocks.

And no spec wise, this card is much closer to a 470 than to a 570. It's identical. Add the fact that the chip itself is 95% identical too and the similarity is simply far greater than when compared to the 570 which has one blovk less disabled. Like I said I fail to see what you are trying to proof, but so far it makes no sense.
 
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#22
It's 1% worse in perf than the 570. It's 2% better in perf/watt than the 570. It's 12% better in perf/$ than the 570. It essentially is a short-term "bridge" between the 560 Ti and the 570 in price and performance. And a limited one at that.
 
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John Doe

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#23
No one said they made it on purpose, but the end result is a card that spec wise, is identical, except for clocks. It's not coincidental, it is the only posibility considering they use a chip that s identical in it's overall architecture to that in the GTX470, and they disabled the exact same amount of blocks.

And no spec wise, this card is much closer to a 470 than to a 570. It's identical. Add the fact that the chip itself is 95% identical too and the similarity is simply far greater than when compared to the 570 which has one blovk less disabled. Like I said I fail to see what you are trying to proof, but so far it makes no sense.
I'm talking about the card's built itself, the board. Not the core. This card IS NOT a 470. It's more of a 570 than a 470. 470's weren't based on a bunch of non-ref designs thrown across. You're the one that's not understanding what's being spoken here. He said the card is simply a 470, and it isn't. GIGO.
 

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#24
No, not all. It's as I said. The power consumption part is surely coincidental due to the core, board, and PCB changes, but those specs being the same (448, 40, 320, 1280) is not. There's only so many choices with this architecture.
I don't think it is coincidental at all, since GF110 is basically identical to GF100. So why wouldn't power consumption be basically identical when using the same PWM configuration and same Core configuration?

And I've had my GTX470 overvolted and overclocked since pretty much the day I got it, which was only a few days after launch, and I've yet to have any issues with the "weak" PWM. But you have to use restraint, which I think nVidia knew when they limitted the voltage on the GTX470 to 1.087v. I've seen people that have unlocked the voltage in the BIOS to allow 1.2v, and ran it there, only to have the PWM pop shortly after. I think nVidia should have limitted the GTX570 to 1.10v, that is as high as I will go on my GTX470, and even then I won't run it 24/7.

Look, this card is most closer to a 570. It should be called a "watered down 570" or something, not a 470. The 470 is built on a different PCB, cooler, and with a different, higher OC'ability potential. The only things they two have in common is the shader config.
Different PCB? No, there is no reference PCB, so the card maker can use whatever PCB they want. In fact, ASUS used the same PCB they've been using since the GTX400 days... And MSI even went back to using the GTX470's PCB with their GTX570s.

As for the GTX470 having a higher OC potential, I don't know how you came up with that. I bet these GTX560 448 cards fly once you start giving them some voltage.
 
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John Doe

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#25
I don't think it is coincidental at all, since GF110 is basically identical to GF100. So why wouldn't power consumption be basically identical when using the same PWM configuration and same Core configuration?

And I've had my GTX470 overvolted and overclocked since pretty much the day I got it, which was only a few days after launch, and I've yet to have any issues with the "weak" PWM. But you have to use restraint, which I think nVidia knew when they limitted the voltage on the GTX470 to 1.087v. I've seen people that have unlocked the voltage in the BIOS to allow 1.2v, and ran it there, only to have the PWM pop shortly after. I think nVidia should have limitted the GTX570 to 1.10v, that is as high as I will go on my GTX470, and even then I won't run it 24/7.
The 470 and the 570 in no way use the same VRM. Different inductors, different soldering job, different buck converter.

It's the 570 that has a weak VRM, not the 470. The reference 470 can easily be heavily OC'ed. To 1.087, 900 core. I've 4 of those cards here. 570's on the other hand had VRM issues. They failed on many people over OCN in the 570 club thread.

Different PCB? No, there is no reference PCB, so the card maker can use whatever PCB they want. In fact, ASUS used their GTX400 PCB...
The card on the picture of OP is the reference design. It's not being sold yet, but has it's PCB pictures (same as 570) out there.