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6670 vs 7750 on older computer. (performance increase)

Last response: in Graphics & Displays
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July 23, 2012 3:26:18 AM

Hello. I have a question that i can't seem to find the answer to. I know the 7750 is better than the 6670 but here is my question:

On a high end gaming system bench marking the 6670 compared to the 7750 you will see a massive increase in performance with the 7750. I am wondering if you did the same tests on a older ordinary PC would the improvement would be less significant? It would be worth saving money and buying the 6670 if that's the case.

(edited to simplify the question)


PC INFO

Acer Aspire® M1200-E1521A
2GB DDR2 Memory Ram
320GB Hitachi SATA Hard Drive
AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ 2.30ghz
Integraded ATI Radeon 2100 On-board 256MB Display
Power Supply Industry Standard 250 Watt
a b U Graphics card
July 23, 2012 3:29:45 AM

Post all of your PC specs including CPU, RAM, motherboard and such. You can use CPU-Z to find out what brand and model your motherboard, RAM, CPU is and such.
July 23, 2012 3:34:06 AM

El Tigre said:
Post all of your PC specs including CPU, RAM, motherboard and such. You can use CPU-Z to find out what brand and model your motherboard, RAM, CPU is and such.



If you type Acer Aspire® M1200 on google it lists all of the specs. The specs shouldn't matter though as it's a generalized question.


Acer Aspire® M1200-E1521A
2GB DDR2 Memory Ram
320GB Hitachi SATA Hard Drive
AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ 2.30ghz
Integraded ATI Radeon 2100 On-board 256MB Display
Power Supply Industry Standard 250 Watt
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July 23, 2012 3:53:21 AM

Thanks. My main question though is:

"On a high end gaming system bench marking the 6670 compared to the 7750 you will see a huge increase in performance with the 7750. I am wondering if you did the same tests on a older ordinary PC would the improvement would be less significant? "
July 23, 2012 4:03:55 AM

Gaming performance relies mostly on the graphics card (vs. CPU)...for most games to my understanding. That's why Tom's Hardware $500 budget gamer starts with a $50 CPU with a $210 graphics card as noted below:

http://www.tomshardware.com/reviews/gaming-pc-do-it-you...

At some point, a high performing graphics card will be bottlenecked by the CPU. There are experts who can comment on if this is an issue with a particular setup.
a b U Graphics card
July 23, 2012 4:05:31 AM

K K0,

Absolutely. On a high end gaming benchmark, stepping from an onboard 2100 to an HD7750, the difference will be night and day.
July 23, 2012 4:10:25 AM

DavidY said:
Gaming performance relies mostly on the graphics card (vs. CPU)...for most games to my understanding. That's why Tom's Hardware $500 budget gamer starts with a $50 CPU with a $210 graphics card as noted below:

http://www.tomshardware.com/reviews/gaming-pc-do-it-you...

At some point, a high performing graphics card will be bottlenecked by the CPU. There are experts who can comment on if this is an issue with a particular setup.



Ok thanks a lot man, You seem to understand what i'm asking.

Best solution

July 23, 2012 4:10:51 AM
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I think what OP is asking is if there's anything in their system that would bottleneck a 7750, which would render its additional capability over 6670 a moot point.

So to the OP, the specs of the machine are actually crucial for this determination. So first question is have you verified there is an open PCI Express x16 slot inside (I assume you have).

Supposing there is, my guess is that the relatively old processor will introduce a bottleneck at higher resolutions on the 7750, but that it would be a huge step up from integrated graphics. I don't know for sure. Also, there is a possibility of incompatibility with the card and the PCI-E version you have on your older motherboard. It's supposed to be backward compatible but there are a lot of reports of incompatibility, probably having to do with how much power the slot is providing. Newer PCI-E versions provide more power.
July 23, 2012 4:18:32 AM

bliq00 said:
I think what OP is asking is if there's anything in their system that would bottleneck a 7750, which would render its additional capability over 6670 a moot point.


I think that's what i'm asking.

i'll try to say it in a different way to explain what im asking.


Say you have a super end end gaming system and your bench marking old graphics cards for statistics and you get these results:

6670 - 40 FPS

7750 - 60 FPS


If you used a older PC like mine as a test setup would you see that same 20 FPS increase or would the results be something like this

6670 - 30 FPS

7750 - 40 FPS


Or is it entirely dependent on the video card ?
July 23, 2012 4:46:23 AM

Best answer selected by K K0.
July 23, 2012 4:34:19 PM

Maybe time for an upgrade.

Your CPU is a bit faster than mine (Athlon 64 X2 2.0 GHz 3800+). Onboard (6150SE) has been replaced by the Sapphire Radeon X800. 300 watt Bestec PS.

A 250 watt PS will limit your graphics card choices. However, I have read some 250 watt systems have successfully used the HD 7750....they may have a good quality PS...who knows?
July 23, 2012 7:52:58 PM

DavidY said:
Maybe time for an upgrade.

Your CPU is a bit faster than mine (Athlon 64 X2 2.0 GHz 3800+). Onboard (6150SE) has been replaced by the Sapphire Radeon X800. 300 watt Bestec PS.

A 250 watt PS will limit your graphics card choices. However, I have read some 250 watt systems have successfully used the HD 7750....they may have a good quality PS...who knows?



My old video card used slightly more power than a 7750 so i'm i'm confident it will work.
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