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AMD to Intel - Worth $200+ for SLI bottleneck? - Page 2

post #11 of 17
Quote:
Originally Posted by smartasien View Post

btw anubis my ram is actually ddr3 i just said 800mhz but running at ddr1600
Ah, gotcha, I was reading the thread off my phone at the time, and the previous poster had said it was ddr2.

I would definitely hold off until you at least try the game out. It probably won't be hard to find a 2500k owner with sli 470's setup to compare your results. Then make your decision.

I had sli 470s until I fried one of them, otherwise I'd share results with you. Now I have a gtx580 on the way for bf3, and will be putting the functioning gtx470 in my htpc. Its rather disappointing to downgrade my gaming rig to a gtx580, but at the same time is cool to upgrade my htpc to a light gaming htpc.
Edited by anubis1127 - 10/13/11 at 5:24pm
post #12 of 17
There wouldn't be a bottleneck on an AMD system for BF3.

Most games that are "bottlenecked" by AMD in CFX/SLI are games that favor Intel CPUs. Even with a single card set up the Intel CPU would be better.

Fortunately BF3 isn't a game that favors either CPU, and in the tests I've seen, it actually likes AMD CPUs. Even Bulldozer.

If you're going to be playing BF3 religiously and already have an AMD set up, just keep it. If anything get an x6 or one of those 960T Zosma CPUs and hope it unlocks to an x6.

Also think of it like this, you'll still be getting quite a performance boost, even if it's bottle necked. It's not like the second GPU won't be used at all. Just not as much as it can.
Edited by Kvjavs - 10/13/11 at 5:26pm
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post #13 of 17
hmmm... didnt read everything in the thread kinda skimmed it.. but shouldnt have an issue with a 2500k and bottleneck if you do switch, im using a i7 920 with tri sli 470's (at stock speeds) and according to the numbers ive tested so far i havent seen any bottleneck.

I was playing around with my GF's rig with a 2500k @4ghz and sli 460s (1gb, which perform pretty similar to 470's) with a 450 for physx and it played with out any issues

havent played with bf3 on eather rigs but on bfbc2 (max settings with 4x aa 1920x1080) on my sig rig i got ~120fps (though i have a 60hz monitor) and on her rig i think it was around ~70-80fps .. somewhere around there
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post #14 of 17
If all you are going to play is BF3 then wait for the game and some benchmarks to come and then see. Personally i think your CPU is fine especially considering in the Beta PII was as good as SB for the most part.
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post #15 of 17
Quote:
Originally Posted by DNytAftr View Post
hmmm... didnt read everything in the thread kinda skimmed it.. but shouldnt have an issue with a 2500k and bottleneck if you do switch, im using a i7 920 with tri sli 470's (at stock speeds) and according to the numbers ive tested so far i havent seen any bottleneck.

I was playing around with my GF's rig with a 2500k @4ghz and sli 460s (1gb, which perform pretty similar to 470's) with a 450 for physx and it played with out any issues

havent played with bf3 on eather rigs but on bfbc2 (max settings with 4x aa 1920x1080) on my sig rig i got ~120fps (though i have a 60hz monitor) and on her rig i think it was around ~70-80fps .. somewhere around there
Bf3 is a whole new monster compared to bc2.
post #16 of 17
Quote:
Originally Posted by anubis1127 View Post
Bf3 is a whole new monster compared to bc2.
yeah i know, been reading all about it but thought i would throw out some numbers for some "food for thought" kinda thing. But from what i read, bf3 could be giving my rig a run for its money >_>
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post #17 of 17
Quote:
Originally Posted by DNytAftr View Post
yeah i know, been reading all about it but thought i would throw out some numbers for some "food for thought" kinda thing. But from what i read, bf3 could be giving my rig a run for its money >_>
Right on, I should hope your 3 470's will be OK. From what I'm reading the main concern would be the VRAM. I will probably have issues running it ultra with single 580, but hopefully I can find a happy medium of settings that look good and run well.

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