ATI 4870 vs. R9 270X with E8400 CPU?

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Leif Thomsen

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Jan 5, 2014
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Will I experience a performance enhancement if I upgrade from a ATI 4870 to a ATI R9 270X, krepning my rather old E8400 CPU. Or will the CPU negate the performance of the R9?
 
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RaiCoss

RaiCoss

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Jan 5, 2014
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You should see some improvement, but I would imagine a C2D would pretty badly bottleneck a R7 270X.
Mouse's recommendation of a FM2+ motherboard (get the FM2+, not FM2) and an Athlon 750K/760K (I would go for a 760K personally if you do, as it has a few enhancements over the 750K) will give you much better performance. You could also go for an AM3+ socket motherboard and a CPU like a FX 4300 or 6300 (both of which have L3 cache which can help with better FPS in games), but the AM3+ socket appears to be dead, meaning options for future upgrades without having to replace the motherboard don't look good.

In summary, if you're going to buy that card, you should really upgrade at least your motherboard/CPU/RAM as well. A new PSU probably wouldn't hurt either. An Athlon X4 760K is a nice budget CPU, and paired with fast RAM (1866MHZ) will perform just fine for gaming (I know, I have one).
The AMD FX 6300 is the sweet spot for the AM3+ socket, but like I said, it's apparently pretty much dead at this point with respect to future upgrade options.

On a side note, you may want to hold off upgrading for a while, and wait until AMD bring out their FM2+ based Kaveri/Steamroller Athlons. They should be launching within the next few months, and offer a performance boost from the current 760K.
 
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marshal11

marshal11

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Feb 13, 2012
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I agree with RaiCoss. Wait for the next gen, it's SO close. However, I have a core 2 duo e6550 in a old build. I've overclocked it to 2.8GHz and it still slows down an old GT430. When gaming, the GPU will randomly drop down to 50% load when ANYTHING happens because the CPU is pinned at 100% load. So I wouldn't be surprised if upgrading your CPU and keeping your old GPU would get you a better performance gain over getting a 270x. Your CPU is already holding back your 4870 quite a bit.
 
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Leif Thomsen

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Jan 5, 2014
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Thank you for the fast replies...., I think I will shelfe the upgrade. I didnt have plans for a mobo/RAM/CPU upgrade and if the GPU upgrade will be insignificant i´ll wait. Thanks though...
 
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Kestutis Usevicius

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Jun 16, 2014
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Personally believe it will be massive performance update. A lot of people are too worried about cpu bottleneck. I tried and played skyrim and bf3 with ultra no aa. And my e8400 with 6870 did a very good job 40-50fps. Im thinking about 270x myself
 
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