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[Think Computers] NVIDIA Maxwell 20nm GPU Lineup Delayed Until 2015 - Page 9

post #81 of 193
Quote:
Originally Posted by Alatar View Post

The power consumption is at the wall, you have to take into account PSU efficiency. You still have each 780Ti there drawing 100W less than each 290X, not normal at all. Which is the entire point.

And yes, GK110 does actually throttle if you put two of them on stock fan profiles in the same system.

base speeds in that review, has been proven to be crap for OCN users since we don't need to run throttling cards.
90% eff still means 225 * 0.9 roughly I haven't checked the curve but this estimate is good enough. Over 200W is still an awful lot.

Most reviews show the 290X consuming at least 50W more which is due to the high operating temp clearly that isn't the case with XFX but they upped clock and voltage(and kept the clock from falling). The power numbers seem plausible to me.

The cards are neck to neck at equal clocks the Nvidia one clocks higher the AMD one scales better with mutlipe cards and higher resolution clearly the choice can be based on which is preferred.
post #82 of 193
None of that changes the fact that you can't make scaling claims when one pair of the cards is underclocking itself really badly.

Their single GPU testing showed almost a 20% advantage for 780Ti OC over 290X OC.

One review is actually representative since it has GK110 at ~8% higher clocks than Hawaii. The one you're trying to give as proof has hawaii at ~12% faster clocks than GK110. Something that will really pretty much never happen if you have enthusiasts handling the cards. Of course the scaling is going to look bad when you suddenly drop Nvidia clocks by 35% and AMD clocks only by 13%.
 
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post #83 of 193
If the sli profiles were so bad in their test and each gpu used 80% its possible. You should ask them the rest are useless.
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post #84 of 193
Possible yes but honestly the low clocks really make that specific review mostly pointless for the crowd on OCN...

If someone were to just pop two ref cards in a system and leave it at that then maybe. But none of us here actually do that. We look after our cards. Last I checked at least.
 
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post #85 of 193
I really doubt the last one...

But we dont know if it is a throttle issue or a sli issue. I dont really trust reviewers for mgpu+ multimonitors reviews. It needs time and experience. They cant even change profiles for better performance...
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post #86 of 193
Quote:
Originally Posted by Alatar View Post

None of that changes the fact that you can't make scaling claims when one pair of the cards is underclocking itself really badly.

Their single GPU testing showed almost a 20% advantage for 780Ti OC over 290X OC.

One review is actually representative since it has GK110 at ~8% higher clocks than Hawaii. The one you're trying to give as proof has hawaii at ~12% faster clocks than GK110. Something that will really pretty much never happen if you have enthusiasts handling the cards. Of course the scaling is going to look bad when you suddenly drop Nvidia clocks by 35% and AMD clocks only by 13%.
http://www.hardocp.com/article/2014/02/10/msi_geforce_gtx_780_ti_gaming_3g_video_card_review/10

uhm not trying to rain on your parade but there are only two tests which score remotely close to those gains which are Far Cry with ~20% and the other is metro last light with 16%.
Then there also is BF4 allegedly with the 290x losing but well it is a multiplayer game so let's see how it fares in that with Mantle right? (I mean we are talking real world here)

Let's just agree to disagree here.
post #87 of 193
Quote:
Originally Posted by maarten12100 View Post

http://www.hardocp.com/article/2014/02/10/msi_geforce_gtx_780_ti_gaming_3g_video_card_review/10

uhm not trying to rain on your parade but there are only two tests which score remotely close to those gains which are Far Cry with ~20% and the other is metro last light with 16%.
Then there also is BF4 allegedly with the 290x losing but well it is a multiplayer game so let's see how it fares in that with Mantle right? (I mean we are talking real world here)

Let's just agree to disagree here.

That's gaming vs. directCU2.

I posted MSI gaming vs. MSI gaming both overclocked:

http://hardocp.com/article/2014/03/31/msi_radeon_r9_290x_gaming_4g_video_card_review/10#.UzscsPl_s2J

And from the conclusion:
Quote:
If you are also considering NVIDIA GPUs for your purchase, for $40 more you can purchase a near 20% performance increase in the form of the MSI GeForce GTX 780 Ti GAMING 3G.
 
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post #88 of 193
Quote:
Originally Posted by Alatar View Post

That's gaming vs. directCU2.

I posted MSI gaming vs. MSI gaming both overclocked:

http://hardocp.com/article/2014/03/31/msi_radeon_r9_290x_gaming_4g_video_card_review/10#.UzscsPl_s2J

And from the conclusion:
legit BF4 bench and Tomb raider and Cryis 3 still disagree with that 20%.
Then there is the thing that a r9 290x goes for 450 euro while a 780 Ti starts at 600.
I guess the same goes for America with the 290X being mining gauged or something.
post #89 of 193
Quote:
Originally Posted by hyp36rmax View Post

Fine by me, looks like my GTX 780Ti will last a weee bit longer, shall I SLI and move it over to my main rig soon? hmmmm i'll have to replace it with a R9 290X for sheets and giggles haha

You've had your 780 Ti for maybe 6 months? That's a pretty fast upgrade cycle there mate if Maxwell came out tomorrow you'd upgrade. People like you keep Nvidia's pockets deep.
     
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post #90 of 193
Quote:
Originally Posted by Alatar View Post

That's gaming vs. directCU2.

I posted MSI gaming vs. MSI gaming both overclocked:

http://hardocp.com/article/2014/03/31/msi_radeon_r9_290x_gaming_4g_video_card_review/10#.UzscsPl_s2J

And from the conclusion:
Wow, the stock 780Ti beat the OC'd 290X in Metro:LL even with PhysX enabled. That's genuinely impressive.

It seems like the days of benefiting from a PhysX card are long gone. smile.gif
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