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Radeon HD 6770 vs HD 7750 vs HD 7660d and opinion of site I use

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November 9, 2012 9:35:44 PM

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I usually compare cards on http://www.videocardbenchmark.net/ but I only seem to find Mobility 6770 which has way lower rating than the other card when I thought they would be similar.

MOBILITY Radeon HD 6770 scored 478 on their test ranked 364th.
Radeon HD 7750 scored 1817 on their test ranked 76th.

The Radeon HD 7660d is what comes with my cpu I am getting and it scores 785 on their test ranked 216.

Is the site I like to compare cards on reliable?
a b U Graphics card
November 9, 2012 9:45:47 PM

Hey there,

Mobility card performance has nothing to do with discrete card performance - its deceptive branding on the part of these companies.

The 6770 is better than a 7750 by a little bit (but not much).

Tom's has a great GPU hierarchy chart on the last page of this article:
http://www.tomshardware.com/reviews/gaming-graphics-car...
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a b U Graphics card
November 9, 2012 9:46:03 PM

The HD 6770 you linked is faster because it has DDR5. The DDR3 on the HD 7750 you linked slows that card down pretty significantly. If you're looking at both cards with ddr5, then they're about even, with the HD 7750 edging out the older card in newer games.

You should use Tom's Hardware GPU chart: http://www.tomshardware.com/reviews/gaming-graphics-car...
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a b U Graphics card
November 9, 2012 9:48:18 PM

Hah! overlap with same answer.

I'm not sure why mine posted second ... according to timestamp I beat you by about 15 sec.
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November 9, 2012 9:48:46 PM

Why is the site I use so far off? Do you mind checking and informing me a bit if you can?

So this http://www.newegg.com/Product/Prod [...] 6814102969 would be better than the 6770 then? Why do they make different versions of cards and then have them with the same umbrella name....confuses me.

Better cards are listed first in order if they are in the box on the chart? From the link you gave Discrete: HD 4870, 5770, 4890, 5830, 6770, 6790, 7750
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a b U Graphics card
November 9, 2012 9:59:15 PM

Draconis_Maximus said:
Why is the site I use so far off? Do you mind checking and informing me a bit if you can?

It only uses one synthetic test as far as I can tell, rather than actual games. Tom's Hierarchy is pretty widely accepted.
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a b U Graphics card
November 9, 2012 10:02:51 PM

Draconis_Maximus said:
So this http://www.newegg.com/Product/Product.aspx?Item=N82E168... would be better than the 6770 then? Why do they make different versions of cards and then have them with the same umbrella name....confuses me.

It wouldn't be much better - it may actually perform slightly worse depending on the game. I do know that it can be overclocked higher than the HD 6770.

This article is a couple years old, but it will give you the basics of gaming GPUs: http://www.hardware-revolution.com/mistakes-when-buying...
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November 9, 2012 10:18:05 PM

Mobility is notebook graphics card so that's why it is off as someone already mentioned.
The site is pretty accurate as long as you understand it is just a single benchmark.
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Better cards are listed first in order if they are in the box on the chart? From the link you gave Discrete: HD 4870, 5770, 4890, 5830, 6770, 6790, 7750

If that is the case, then why is the 4890 after the 4870? I don't think you can make that conclusion.
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November 9, 2012 10:36:10 PM

Thanks for all the help.
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November 9, 2012 10:37:12 PM

Best answer selected by Draconis_Maximus.
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a b U Graphics card
November 10, 2012 1:54:15 AM

yialanliu said:
Quote:
Better cards are listed first in order if they are in the box on the chart? From the link you gave Discrete: HD 4870, 5770, 4890, 5830, 6770, 6790, 7750

If that is the case, then why is the 4890 after the 4870? I don't think you can make that conclusion.

No, they're just grouped within the rows - usually by release date (the author just tacks on new GPUs as they come out). All about the same performance.
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