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Mid-High end gaming, SLI/CF AMD vs Intel & Price vs Performance

post #1 of 28
Thread Starter 
Quote:
Originally Posted by gsa700 View Post
See my sig for real benchies with sig rig.

FPS varies by game, do you have a particular game in mind? In BFBC2 I get around 140-190 in single player at 1080p around 125 in multiplayer.

I would like to use this opportunity to show what a cpu bottleneck is and why it's important to consider when purchasing video cards. I'd also like to show that at this level of rig there is no huge AMD advantage in price either. With these two tests alone you can see the cpu bottleneck AMD provides and can also gauge how much it may or may not affect your system.

My rig - http://www.overclock.net/system.php?i=59279

CPU - $225
Mobo - $180
GPUs - $365

Total - $770

His rig - http://www.overclock.net/system.php?i=57484

CPU - $200 (1090T)
Mobo - $230 (Asus Crosshair iv)
GPUs - $500 (2x 6950s)

Total - $930


The results:

3D Mark Vantage

His score:

CPU - 21897 (All 6 cores are used to their fullest)
GPUs - 33210 (Only 2 cores are used to their fullest)

Overall Score - 29411 Marks

My score:

CPU - 26645 (All 4 cores are used to their fullest)
GPUs - 39426 (Only 2 cores are used to their fullest)

Overall Score - 35204 Marks


In 3D Mark 11 things change, they did a much better job coding the benchmark to put more stress on the gpus in the gpu test, and to use more cores in the combined test. In the gpu test the fps are so low because of the high graphical demand the cpu plays almost no role from what I can tell. In the physics portion of the test and the combined portion all cores/threads available are used. In this test you can see what the "full power of the x6 is in gaming" compared to the i5-2500k which only has 4 threads and no HT.

3D Mark 11 results:

His rig

3DMark Score
P9474
Graphics score
10954

Physics Score
7145
Combined Score
6217

GraphicsTest1
47.35 FPS
GraphicsTest2
58.31 FPS
GraphicsTest3
70.14 FPS
GraphicsTest4
31.79 FPS
PhysicsTest
22.68 FPS
CombinedTest
28.92 FPS


My rig

3DMark Score
P9943
Graphics score
10540
Physics Score
8749
Combined Score
8155
GraphicsTest1
45.96 FPS
GraphicsTest2
47.93 FPS
GraphicsTest3
65.7 FPS
GraphicsTest4
33.97 FPS
PhysicsTest
27.78 FPS
CombinedTest
37.93 FPS

It becomes very clear in 3D Mark 11 that he has more powerful GPU's than I do. At the same time it also becomes very clear that even with 6 cores being used he has a massive cpu bottleneck. This fact is far more extreme in the 3D Mark Vantage testing because of the lower quality graphics, thus requiring more cpu power to push gpus that are demanding more information from the AMD chip than it can provide. In the end it's up to you, I will not make any direct comments other than those I've made on the results. This post is meant to be informative for people looking to get as much bang for their buck as possible.

Bring on the flames.





His results:

http://3dmark.com/3dm11/848348

http://3dmark.com/3dmv/2985953

My results:

http://3dmark.com/3dm11/921959

http://s152.photobucket.com/albums/s...t=cf5ce2a8.jpg
Edited by BallaTheFeared - 3/28/11 at 9:37pm
    
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post #2 of 28
Anyone that blows $230 out of their budget on a motherboard for a gaming rig in this price range should have their head examined.
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post #3 of 28
Quote:
Originally Posted by sccr64472 View Post
Anyone that blows $230 out of their budget on a motherboard for a gaming rig in this price range should have their head examined.
i dont think thats the price of their whole rig/systems. just the main 3 components.
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post #4 of 28
Quote:
Originally Posted by sccr64472 View Post
Anyone that blows $230 out of their budget on a motherboard for a gaming rig in this price range should have their head examined.
^That that that that.
LOL,OP thinks 3D mark or any synthetic benchmark has any solid relevance with real world performance?

Anyway,Nvidia's CUDA processing just boosts the numbers in 3D mark,AMD cards in CF would obviously loose.
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post #5 of 28
he has better frame rates in all but one of the graphics tests (most akin to actual gameplay)

not sure how you think this is proving your point...the only reason your rig is better is due to solely cpu tests

The only thing you proves is that a 2500k is better then a 1090t for gaming. And I really don't think anybody would have argued with you on that.
Edited by trulsrohk - 3/28/11 at 11:23pm
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post #6 of 28
Thread Starter 
Quote:
Originally Posted by Heavy MG View Post
^That that that that.
LOL,OP thinks 3D mark or any synthetic benchmark has any solid relevance with real world performance?

Anyway,Nvidia's CUDA processing just boosts the numbers in 3D mark,AMD cards in CF would obviously loose.
That makes absolutely no sense what so ever.


Quote:
Originally Posted by trulsrohk View Post
he has better frame rates in all but one of the graphics tests (most akin to actual gameplay)
Thats because he has better video cards. It's also not really more akin to actual gameplay, because in actual game play the cpu usually actually has to do something instead of hovering between 7-14% usage. The gpu tests don't demand anything a normal game would require a cpu do, it's designed to stress the gpus not the cpu.

I'm also pretty sure neither of us are gaming at 30-40 fps in any game out there, the test as I've already stated are gpu bound so that cpu bottlenecks don't indirectly skew the results.

Quote:
Originally Posted by trulsrohk View Post
not sure how you think this is proving your point...the only reason your rig is better is due to solely cpu tests
My point was the Phenom II holds back high end video cards, I'm not sure how you could come to any other conclusion.

Quote:
Originally Posted by trulsrohk View Post
The only thing you proves is that a 2500k is better then a 1090t for gaming. And I really don't think anybody would have argued with you on that.
That wasn't really the point. The Phenom II chips can play games just like the Intel chips. The point is you come to a point where adding gpu power doesn't provide the performance boost it should.

The benchmark is called 3D Mark, not system mark, or cpu mark. The fact that the i5-2500k system out performs a system with better cards for less should spark something in your brain saying "woah wait a minute".


Edit: Yah, I can confirm my cpu downclocks to x16 power saving mode during the gpu based tests.
Edited by BallaTheFeared - 3/29/11 at 12:02am
    
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post #7 of 28
I think it's perfectly fair to recommend people looking to purchase machines at these price points to either go for the 2500k now, or wait for bulldozer.
Edited by Annex - 3/29/11 at 3:45am
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post #8 of 28
Nice work Balla +rep

It's the main reason i'm jumping to Sandy soon enough tbh. I know my 955 bottlenecks my 570 in some instances, so when i upgrade to 560 ssli i'm defo gonna want a Sandy to push them along

Unless Bulldozer can give better performance a 2600k should do me fine for the next 12 months at least. I'm looking forward to upgrading.
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post #9 of 28
I remember these arguments i made one i was makin my first rig...
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post #10 of 28
I wish AMD would release the Bulldozer soon, it seems they are simply holding back(who knows?) and right at this moment majority of AMD users that I know (including myself) have went intel due to the release and performance of the Sandybridge platforms. The cost per performance right now is better to go intel at this moment. You just simply get more bang for your buck with the intel 2nd gen cpus.

My guess is probably by the end of the year, majority has already switch to Intel(sandybridge) and probably won't be purchasing or building a bulldozer pc, to me thats just poor business choice for AMD on not releasing the bulldozer soon enough and I feel AMD will lose money due to that. Timing is everything eh?

Don't get me wrong, I like AMD, in fact I do plan to build me a bulldozer rigg once they start release(and the price is right). As for now, I recommend all new builders to go Intel on this one, you just simply get more performance per dollar with intel sandybridge platforms_

This is my personal opinion =]
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