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[Tom's HW] GeForce And Radeon On Intel's P67: PCIe Scaling Explored - Page 2

post #11 of 24
Quote:
Originally Posted by Masked View Post
It's a test on the slot...They could've used a GTX 280 vs a 6970...It wouldn't matter because you'd still be losing the same performance...
Your ignorance knows no bounds.

What you're suggesting is that a 6600 GT requires the same amount of bandwidth as a GTX 580.

No. Newer cards need more and more bandwidth, which is the entire reason for the creation of PCIe 3.0.
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post #12 of 24
It's an updated version of the TechPowerUp! PCI-E bandwidth tests, which gave similar results IIRC - basically no real difference between 16x/16x and 8x/8x, but stick a card in a 4x slot and watch it have a fairly large impact.

What was interesting is the fact that this demonstrates that AMD cards appear to utilise the PCI-E bus a lot more than nVidia ones, given the performance drops when PCI-E bandwidth starvation is enforced.

Would be very interesting to see a single/dual/tri/quad- CrossFireX/SLI investigation using all the possible lane setups. But that's a lot of work, and requires a quad-capable mobo that allows PCI-E lane selection.
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post #13 of 24
Quote:
Originally Posted by CULLEN View Post
Every scaling comparison I've seen, AMD destroys nVidia but in the TomsH review its the other way around.

Also why comparing $230 card against $350 card? Why isn't this HD697 against GTX570?

Getting sick of this AMD bash.
Just single card comparisons.
570 is actually $280 not 350.

TL;DR version: Don't go above 2-way on 1155 and make sure it's x8/x8.
Edited by PoopaScoopa - 4/11/11 at 8:56am
post #14 of 24
Quote:
Originally Posted by glycerin256 View Post
interesting and good to know.

BUT WHY NOT USE A 580 and/or A 6970?!?

still though. a good read.
For real...
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post #15 of 24
Quote:
Originally Posted by Masked View Post
It's a test on the slot...They could've used a GTX 280 vs a 6970...It wouldn't matter because you'd still be losing the same performance...

AMD bash? Really? Seriously?

Ugh, some of you people amaze me.
Quote:
Originally Posted by B!0HaZard View Post
They aren't comparing the cards, they're comparing AMD and NVIDIA scaling. Stop being so dramatic.
What I'm saying is many people look at this comparison, naturally thing "they probably use cards in the same price range" and see this



Where the AMD is slightly under in performance, but huge price differance.

Never the less they also made another scaling comparison, that had HD6950 against GTX 570. $240 card against $360 card. Why in the world wouldn't they use cards in the same price category?

http://www.tomshardware.com/reviews/...g,2865-10.html

Quote:
Originally Posted by PoopaScoopa View Post
Just single card comparisons.
570 is actually $280 not 350.

TL;DR version: Don't go above 2-way on 1155 and make sure it's x8/x8.
http://www.newegg.com/Product/Produc...iption=gtx+570

From what I see they are from $350 to $370.

---

However its impressive to see how little nVidia drops in x4, but who would seriously use it?
post #16 of 24
Thread Starter 
Quote:
Originally Posted by CULLEN View Post
What I'm saying is many people look at this comparison, naturally thing "they probably use cards in the same price range" and see this



Where the AMD is slightly under in performance, but huge price differance.

Never the less they also made another scaling comparison, that had HD6950 against GTX 570. $240 card against $360 card. Why in the world wouldn't they use cards in the same price category?

http://www.tomshardware.com/reviews/...g,2865-10.html

http://www.newegg.com/Product/Produc...iption=gtx+570

From what I see they are from $350 to $370.

---

However its impressive to see how little nVidia drops in x4, but who would seriously use it?
Price and how these cards compare is irrelevant, that's why. The important thing is that they get cards from the same gen, because they're comparing how NVIDIA and AMD cards scale (a feature in the cards). Who gives a crap about the cards in question, people won't be reading a PCIE analysis if they're looking for a comparison.
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post #17 of 24
Quote:
Originally Posted by CULLEN View Post
http://www.newegg.com/Product/Produc...iption=gtx+570

From what I see they are from $350 to $370.
?
Did you look at the prices? Newegg is $330 but Newegg isn't the cheapest place to buy cards from. 280-290 elsewhere. But unlocking those 6950s to 6970s and OCing to 880Mhz is definitely a better choice.
post #18 of 24
The used the GTX 570 and HD 6950 because those are the second highest cards both companies have.

Isn't this obvious?

GTX 590 - HD 6990
GTX 580 - HD 6970
GTX 570 - HD 6950

etc.
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post #19 of 24
Quote:
Originally Posted by CULLEN View Post
Every scaling comparison I've seen, AMD destroys nVidia but in the TomsH review its the other way around.

Also why comparing $230 card against $350 card? Why isn't this HD697 against GTX570?

Getting sick of this AMD bash.
I'm getting sick of people not reading the article. They're testing for PCIe scaling, not performance. If you bothered to read the title, you'd probably understand.
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post #20 of 24
This article makes me reconsider AMD cards and the possibility of x16/x4 Crossfire...

Hrmm... Certainly would be a nice money saver considering most x8/x8 motherboards cost more than x16/x4's.
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