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Upgrading from 4870 to ???

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IMO no it isnt unless you get it for pretty cheap. its only about a 35-40% upgrade in performance. if he is at 1920 then it will be worth it though since 512mb is already a limitation too.

The performance difference is more than that. If the HD 5870 is nearly twice faster than a single HD 4870, and the HD 6850 performs very close to the HD 5850 which isn't much slower than the HD 5870, which means that at least 60% more performance can be noticed.
 
I upgraded from a 4870 to a 5870. It made Starcraft 2 run a lot better. I don't play any other games that could benefit from more than a 4870 however.
 
The performance difference is more than that. If the HD 5870 is nearly twice faster than a single HD 4870, and the HD 6850 performs very close to the HD 5850 which isn't much slower than the HD 5870, which means that at least 60% more performance can be noticed.
at 1680x1050 the 4870 512mb gives 71% of the performance of a 6850. that means the 6850 is basically 40% faster on average. http://www.techpowerup.com/reviews/HIS/Radeon_HD_6850/28.html
 
1680x1050 isn't going to tax most newer graphics card.

What game are you playing or planing to get?
What is your CPU?
And, are you going to upgrade the monitor at anytime soon?
 
1680x1050 isn't going to tax most newer graphics card.

What game are you playing or planing to get?
What is your CPU?
And, are you going to upgrade the monitor at anytime soon?
1680x1050 is not much smaller than 1920x1080 and he has an overclocked Q9550 listed in his sig.
 
1680x1050 is not much smaller than 1920x1080 and he has an overclocked Q9550 listed in his sig.
My bad, I didn't see that.

1680x1050 = 1764000 = 100%
1920x1080 = 2073600 = 116%
1920x1200 = 2304000 = 131%

I think most cards would be fine even a GTS 450 (OC the snot out of it, even those it is slower than the 4870) might even do it. What games the OP is playing and has he try OCing his current graphics card to see if he get the additional 2~3 frames that might make the game playable on his current rig.

IMHO, the best deal right now is the GTX 460 1GB if you are into OCing, but if the OP sticking with reference clock then IMHO AMD 5xxx & 6xxx serries are the better deal at the moment.

N460GTX HAWK "Talon Attack"; Default Clock Speed 810/3900 MHz; 3DMark Vantage Surpasses GTX 470 in Performance!

101005_3.jpg
 
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you'd need to get a gtx 470 or better to really feel it. I gone from hd4850->gtx460 and it was decent but 4870 you'd need to go a notch or two higher to make it worth it.
 
you'd need to get a gtx 470 or better to really feel it. I gone from hd4850->gtx460 and it was decent but 4870 you'd need to go a notch or two higher to make it worth it.

Yeah, previous generation of hardware were so powerful, that even at this age, they're still plenty fast, specially on SLI/CF. I bought my HD 4870 on November of 2008 and besides of Crysis and Metro 2033, all games were playable at maxed settings, putting another one on CF made Crysis and Metro 2033 totally playable maxed at 8x/4x FSAA respectively.
 
I wouldn't bother with anything lower than HD5870-level coming from your HD4870. Since there are no cards with that performance for under $200, I'd say wait for now. Maybe there will be a sick deal on a card with a similar performance level? One of the posters here got a GTX470 for $190.
 
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