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ATI and Nvidia differences?  

post #1 of 20
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I was hoping to find out what defines the difference between ATI and Nvidia graphic cards. What makes one better in some aspects while the other in other aspects?
post #2 of 20
This is a very controversial topic, you will find lots of people who will follow a brand blindly and some others who have good reasons or good/bad experiences with one of the brands.

I personally like nvidia since my two serious (not laptop) gpus have been nvidia and have had really good experiences.

Since I haven't really tried ATI I will not make some stupid statement about ATI.

What I do know is that Nvidia tends to be a little more expensive for the same performance range and usually have better drivers.

Im sure a lot of people on this blog can give you a better insight on things like CUDA, eyefinity, tessellation and physix among other things that differentiate both brands.
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post #3 of 20
This question has been asked for over 5 years.

nVidia and ATi offer the same service - performance in video games (3D graphics).

They each have different products, and sometimes a certain game will run better on an nVidia card or an ATi card, because the internal architecture is different.

But largely, two cards from nVidia and ATi in a single market segment should perform equally.

Such as - HD 6850 and GTX 560 Ti. Or HD 6990 and GTX 590.

Lastly, where you see that the GTX 580 has 512 SP ("CUDA" cores), the HD 6970 has 1536. However, the "CUDA" cores are much more efficient, so the 512 actually overpower the 1536 on ATi's card.

Which means that technically, something like 1700 ATi SPs are equivalent to 500 nVidia SPs. But that's not a rule - it's only a demonstration for general knowledge.
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post #4 of 20
The big difference is nvidia has better drivers.

Quote:
Originally Posted by CBZ323 View Post
This is a very controversial topic, you will find lots of people who will follow a brand blindly and some others who have good reasons or good/bad experiences with one of the brands.

I personally like nvidia since my two serious (not laptop) gpus have been nvidia and have had really good experiences.

Since I haven't really tried ATI I will not make some stupid statement about ATI.

What I do know is that Nvidia tends to be a little more expensive for the same performance range and usually have better drivers.

Im sure a lot of people on this blog can give you a better insight on things like CUDA, eyefinity, tessellation and physix among other things that differentiate both brands.
Besides the 580, nvidia are less expensive compared to their AMD counterparts.

PhysX are CUDA are both marketing schemes that are only kept alive because nvidia pays people to use them.
Quote:
Originally Posted by Track View Post
This question has been asked for over 5 years.

nVidia and ATi offer the same service - performance in video games (3D graphics).

They each have different products, and sometimes a certain game will run better on an nVidia card or an ATi card, because the internal architecture is different.

But largely, two cards from nVidia and ATi in a single market segment should perform equally.

Such as - HD 6850 and GTX 560 Ti. Or HD 6990 and GTX 590.

Lastly, where you see that the GTX 580 has 512 SP ("CUDA" cores), the HD 6970 has 1536. However, the "CUDA" cores are much more efficient, so the 512 actually overpower the 1536 on ATi's card.

Which means that technically, something like 1700 ATi SPs are equivalent to 500 nVidia SPs. But that's not a rule - it's only a demonstration for general knowledge.
The 6850 and 560 Ti are not comparable, at all.

Can we not compare their cores considering the differences in architectural design....
    
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post #5 of 20
Since when has ATI been more expensive than nVidia?
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post #6 of 20
Since I shopped on newegg 1 minute ago.

560 Ti is significantly cheaper than the 6950.

570 is significantly cheaper than the 6970.

GTX 465 is cheaper than a HD 6790 <-- is this a joke?
    
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post #7 of 20
Quote:
Originally Posted by MinitroN View Post
The big difference is nvidia has better drivers.
That's not a big difference.

Quote:
Originally Posted by MinitroN View Post
Besides the 580, nvidia are less expensive compared to their AMD counterparts.
Untrue. The GTX 560 Ti sells for 225-250$, while you can find the HD 6950 for 180$ (how I got mine), which outperforms it at stock and quite severely when unlocked.

Quote:
Originally Posted by MinitroN View Post
PhysX are CUDA are both marketing schemes that are only kept alive because nvidia pays people to use them.
PhysX is like Kinect. It's a semi-decent implementation of a good theoretical idea. It used to be a big deal.

CUDA is just a name for nVidia's far more efficient Scalar architecture and its thus far-superior GPGPU performance in things like F@H and 3D development.

Quote:
Originally Posted by MinitroN View Post
The 6850 and 560 Ti are not comparable, at all.
http://tpucdn.com/reviews/NVIDIA/GeF...es/perfrel.gif

Quote:
Originally Posted by MinitroN View Post
Can we not compare their cores considering the differences in architectural design....
I'm not sure if that's a question.

Yes, we can compare the cores, like I said. My example is 1700/500.

Back in 2007, it was 320/96. That's the exact same ratio - 3.33.
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post #8 of 20
Quote:
Originally Posted by Track View Post
That's not a big difference.



Untrue. The GTX 560 Ti sells for 225-250$, while you can find the HD 6950 for 180$ (how I got mine), which outperforms it at stock and quite severely when unlocked.



PhysX is like Kinect. It's a semi-decent implementation of a good theoretical idea. It used to be a big deal.

CUDA is just a name for nVidia's far more efficient Scalar architecture and its thus far-superior GPGPU performance in things like F@H and 3D development.



http://tpucdn.com/reviews/NVIDIA/GeF...es/perfrel.gif



I'm not sure if that's a question.

Yes, we can compare the cores, like I said. My example is 1700/500.

Back in 2007, it was 320/96. That's the exact same ratio - 3.33.
First of all link your $180 HD 6950. Obviously you can't because that's complete BS. The GTX 560 Ti can be overclocked to outperform a HD 6970, much less an unlocked 6950.

Too bad quicksync destroys CUDA in every way imaginable.

You can't compare nvidia and AMD cores directly.

Wait, are you trying to imply your chart showing the 560 Ti being 22% faster than the 6850 makes then comparable?
Edited by MinitroN - 8/8/11 at 8:07pm
    
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post #9 of 20
Both are virtually identical minus the architectures and colors. Everything else is on par with one another in games, which is really all that matters. Buy an AMD card, don't like it, move to Nvidia. Simple as that. No way anyone here is going to give you an unbiased answer. Unless they use SIS to this day, and then they wouldn't be a reputable source of such an answer.

Also, it's AMD not ATI. AMD devoured ATI.
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post #10 of 20
OP, u see what happens... the difference is color.

One is red and the other is green.
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