Will a Radeon 7770 bottleneck a A10-5800k

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MrAcd

MrAcd

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Ok I got my A10-5800k OCed at 4.3ghz hoping to go further later, but sooner or later the 7660D will not cute it for my gaming needs, so I want to buy a Radeon 7770, will this bottlenecked, I don't think It will be but someone tell if im wrong. Heres the real question I now I can run dual graphics with other radeon cards, and the highest it can go is 6670, but still any Radeon card. If I run the 7660 + 7770 will this bottleneck my 7770. Will I get more performance running the 7770 alone or run them dual graphics.
 
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The HD7770 and GTX650Ti BOTH have 128bit memory busses.

I have both of these cards now. I think the GTX650Ti is worth another $20. In this range of cards, $20 typically buys a better setting or two in your games.
If you can squeeze out another $10-$20, the GTX650Ti Boost edition has a 192bit memory buss, and also supports SLI, which the vanilla version does not. Too bad it wasn't out yet when I got mine!
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MrAcd

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you said with that cpu you will see a huge bottleneck, then said it is a good match for that cpu, so which is it.

Are you saying If I run them dual graphic I will see a huge bottleneck, but with the CPU alone and 7770 alone it will be a good rig??????
 
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Onus

Onus

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Based on FCAT testing, Crossfire is broken. AMD has acknowledged the problem and hopes to have fixes in place in July.
In any case, you cannot Crossfire a HD7770 with your APU; I believe the limit is a HD6670. The HD7770 would likely be faster.
I suspect the location of your bottleneck might depend on the game, but except in very CPU-intense titles would still probably be the graphics card. If you can afford it, I'd get a GTX650Ti, HD7850, or GTX650Ti Boost instead.
For overall power, HD7770 < GTX650Ti < HD7850 <= GTX650Ti Boost
 
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MrAcd

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hmmmm ok, I barely got the money for a 7770 so are you saying that if I run them both solo I MIGHT see a bottleneck in the GPU because the CPU is better ( sorry im still learning about bottleneck)




 
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MrAcd

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will overclocking both help them out?



 
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Onus

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If you turn settings down, a good game will still be enjoyable with those components.
Some new or demanding games may need to be turned down to a mix of medium and high settings, but older or less demanding titles will run on high to max settings.

Edit: Overclocking will help in some ways, but not others. For example, it will probably allow a few higher settings, but the 128bit memory buss of the HD7770 will probably still restrict AA settings.

 
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Onus

Onus

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Did you mean HD7790? While it is stronger than the HD7770, and may help in some games, it is an irrelevant card because the GTX650Ti Boost is the same price but is more powerful.
In CPU-intense games like GW2 and some others Duke Nucome mentioned, it probably won't matter at all, but in others it may still help some.
 
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MrAcd

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Ok thank you, so is this gtx 650 ti boost really worth the money and all like should I keep saving and get that, I have heard great things about it, and again will it bottleneck.




 
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Onus

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I think it is worthwhile over the HD7770. I have played GW2 on a HD7770, and on a GTX650Ti NON-boost. Even the non-boost version is visually better. GW2 is a CPU-demanding game, but increasing visual settings shifts the bottleneck toward the graphics card. I think it would be an even better balance for your CPU than the HD7770. Your games may of course be different, but if you can afford the additional $50, I think it's worthwhile.
 
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Onus

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I actually do feel your pain; one reason why my primary rig is probably a little overbalanced the other way (3570K+HD7870).
In the budget ranges though, there are a lot of different combinations of settings that really alter the results. Having the GPU muscle for better visual settings might shift some of the bottleneck off a weaker CPU.
 
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Onus

Onus

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I known that the beta versions of GW2 were even dependent on the CPU for some of the visuals, but that changed on release, and improved again on at least a couple of their updates. From my reading of the GW2 forums, the experience you describe caused quite a bit of consternation when people with high-end GPUs had suckwad FPS. I believe the situation has improved.
Shifting the bottleneck from the CPU to the GPU won't do much for FPS if the CPU is the bottleneck, but those same FPS will just look a lot nicer. It may be possible to turn down effects that are CPU-dependent (I believe Depth-of-Field is one of them), but turn up other effects (e.g. shadows and textures) to get a different-but-better effects at higher FPS.
 
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Onus

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I did a lot of testing during the beta. I put the HD7870 with my 970BE and used the HD7770 with my i5-3570K. The i5 was a lot smoother, but I could play with higher visual settings on the 970BE. Of course, I wanted the best of both worlds :), so now the HD7870 is in my Intel rig.
 
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MrAcd

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ANYWAYS.....ok I think I might go with a 7770 or a GTX 650 Ti or boost. But really I like my gpu now it plays a lot if stuff medium to high. I just moved from console to PC and I love it.
 
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MrAcd

MrAcd

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Ok i hate to bring back up this thead, but im back again stuck between a gtx 650 ti and the radeon 7770, the gtx 650 ti is 20$ more, but is it really worth it. like how mant FPS more will i get?

Thanks, Addison
 
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Onus

Onus

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The HD7770 and GTX650Ti BOTH have 128bit memory busses.

I have both of these cards now. I think the GTX650Ti is worth another $20. In this range of cards, $20 typically buys a better setting or two in your games.
If you can squeeze out another $10-$20, the GTX650Ti Boost edition has a 192bit memory buss, and also supports SLI, which the vanilla version does not. Too bad it wasn't out yet when I got mine!
 
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