Should I get another XFX Radeon R9 290X in the future?

cadc

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Mar 4, 2009
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so, I just replaced two XFX Radeon 7770 Core Edition Graphics cards which I crossfired, for a single XFX Radeon R9 290X

The Single Card is pretty solid, but I can notice a slight performance decrease in graphic intensive moments now and then (or it could be because Drunken Robot Pornography just hadn't gotten this intense yet)

whatever it may be, I do notice some hiccups here and there in performance since the switch, and I realize its likely because I'm putting forth all the stress to a single card rather than two cards sharing the load.

Anyways, I have a couple of questions

I notice that the R9 does not have a conventional cross fire slot like previous cards used to (Meaning can't use my crossfire bridge cable), I think this card simply crossfires by the PCIE slot and the power cables that are fed to it (correct me if I'm wrong).

the other thing is, I was considering keeping one of my old cards to possibly crossfire the R9 and a 7770, but I don't see that as possible, nor do I think it would work...

the other thing is, would a 950Watt power supply be enough to power two of these power hungry monsters, or would I require a higher watt power supply?

Hope to hear soon!
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My Build:

CPU: FX 8350 (4 Ghz/ 8 Solid Cores/ AM3+ socket)
Motherboard: Asrock 990 FX Extreme 4
GPU: XFX Radeon R9 290X Double Dissipation
RAM: 32 Gigs Gskill RipJaws DDR3 1866 Mhz
HDD: Western Digital Caviar Black 72000 RPM, 2TB
HDD: Western Digital Caviar Black 72000 RPM, 1TB
Power Supply: 950 Watt Silencer MKII
Heat Sink: H60 Corsair Liquid Cooling
Sound Card: Sound Blaster Fatality
Internal Capture Device: Avermedia Live Gamer HD
 

cadc

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well, I'm not that experienced at overclocking, and when I tried messing around with AMD's Catalyst Control Center Overdrive Settings, my display drive would either recover from a crash, or my screens would just go black, or crash my computer.

any help on this would be appreciated!
 
You would overclock from the BIOS, not from software.

You need to increase the Multiplier.

Make sure you install the proper motherboard monitoring software so you can watch the CPU temperatures. I know that chip runs hot when it's overclocked, you will need proper cooling.

I think you'll get a larger performance gain from OCing the chip at this point. There is no better chip on the market for AMD, and Xfire isn't all that great. You may need a better CPU heatsink though.
 

cadc

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But doesn't the multiplier pertain to the CPU, not the GPU?

well the reason I don't think its the CPU, is because I didn't have this problem when i had both 7770's CF'd
 


Same games or different games?

Some games will take advantage of CF more than others.