I bought my PC in 2011, and currently i have 580 gtx twin frozer II and intel i7 2600. Seems like my 580 is damaged, my monitor ignores it. so i wanted to by new GPU, and i wonder if 980 will be a huge improvement at all? is it worth it with my current cpu?
Will i7 2600 bottleneck 980?
- Thread starter eriksonis
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Yes 980 would be a nice upgrade. And your cpu won't bottleneck the gpu on any terms, it's more than capable of handling even SLI 980s so feel free to upgrade 
MeteorsRaining
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Yes 980 would be a nice upgrade. And your cpu won't bottleneck the gpu on any terms, it's more than capable of handling even SLI 980s so feel free to upgrade
jackstrr
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MeteorsRaining :
Yes 980 would be a nice upgrade. And your cpu won't bottleneck the gpu on any terms, it's more than capable of handling even SLI 980s so feel free to upgrade
Don't give him false hope, that cpu will need to overclocked to the limit for that gpu
MeteorsRaining
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prit87
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jackstrr :
MeteorsRaining :
Yes 980 would be a nice upgrade. And your cpu won't bottleneck the gpu on any terms, it's more than capable of handling even SLI 980s so feel free to upgrade
Don't give him false hope, that cpu will need to overclocked to the limit for that gpu
i7 2600 is performance wise better than i5 4690k if not overclocked so there is no problem of bottlenecking with a single gtx 980.
MeteorsRaining
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Firstly, jackstrr, I'm sorry but you don't know what you're saying.
Do you really mean that a hyperthreaded quad core 3.8GHz i7 will bottleneck a GPU? It won't bottleneck even 4 of them. It just can't. Also, an i5 over i7?! Do your homework, you're telling him to downgrade.
Secondly, prit, I'm sorry but PCI 2.0 and 3.0 have no difference in performance whatsoever, the GPUs are just not fast enough to utilize the extra bandwidth.
http://www.pugetsystems.com/labs/articles/Impact-of-PCI-E-Speed-on-Gaming-Performance-518/
Do you really mean that a hyperthreaded quad core 3.8GHz i7 will bottleneck a GPU? It won't bottleneck even 4 of them. It just can't. Also, an i5 over i7?! Do your homework, you're telling him to downgrade.
Secondly, prit, I'm sorry but PCI 2.0 and 3.0 have no difference in performance whatsoever, the GPUs are just not fast enough to utilize the extra bandwidth.
http://www.pugetsystems.com/labs/articles/Impact-of-PCI-E-Speed-on-Gaming-Performance-518/
yeap i have PCI 2.0 (1x16) but as i heard that i wont feel any difference at all compared to PCi 3.0 , like in worst scenario i will loose 1 or 2 fps. is it true?
Ah, thx meteorsraining you have already answered to that question in your link. Thanks alot.
Ah, thx meteorsraining you have already answered to that question in your link. Thanks alot.
MeteorsRaining
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prit87
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yes i have said that the difference is minimal
Each lane of PCI-E 3.0 has twice the bandwidth of one PCI-E 2.0 lane.
If the higher rendering performance of the card correlates to bandwidth, this would suggest the following with a GTX 980:
PCI-E 3.0 x16 100%
PCI-E 3.0 x8 or PCI-E 2.0 x16 97-98%
PCI-E 3.0 x4 or PCI-E 2.0 x8 91-92%
This lines up with the GTX 680 results remarkably well.
This suggests you get relative performance of 97-98% using a PCI-E 2.0 x16 slot compared to a PCI-E x16 slot.
Even halving this bandwidth with a PCI-E 2.0 slot operating at x8 speed (often the case with SLI), you still get relative performance of 91-92%.
Each lane of PCI-E 3.0 has twice the bandwidth of one PCI-E 2.0 lane.
If the higher rendering performance of the card correlates to bandwidth, this would suggest the following with a GTX 980:
PCI-E 3.0 x16 100%
PCI-E 3.0 x8 or PCI-E 2.0 x16 97-98%
PCI-E 3.0 x4 or PCI-E 2.0 x8 91-92%
This lines up with the GTX 680 results remarkably well.
This suggests you get relative performance of 97-98% using a PCI-E 2.0 x16 slot compared to a PCI-E x16 slot.
Even halving this bandwidth with a PCI-E 2.0 slot operating at x8 speed (often the case with SLI), you still get relative performance of 91-92%.
MeteorsRaining
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Good info, the real world difference is not even noticible though. Not even 2-5%, here's how:
The simple conversion using the site I mentioned, on a GTX Titan (288Gbps), the real world difference is 0.1-2 FPS (atmost). So the real world difference is no more than 2%.
Now, 980 is 224Gbps, and there's no way PCI 2.0 can limit its performance, if we're talking about 0.1 FPS, that's a different story. I agree you mentioned minimal difference, but it actually isn't even minimal.
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