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What is a stronger solution 290X CF or 390 CF?

post #1 of 13
Thread Starter 
Hey guys what is a better solution, 290X CF or 390 CF? Doing some research and wanted to know from you guys which is a better solution. For 1080p @ 60Hz dual monitors.
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post #2 of 13
Single GPU solutions are about the same:
http://gpu.userbenchmark.com/Compare/AMD-R9-390-vs-AMD-R9-290X/3481vs2166

Just get whatever is cheapest, seeing as you already have a 290X I would go for that.
post #3 of 13
Thread Starter 
Quote:
Originally Posted by KaffieneKing View Post

Single GPU solutions are about the same:
http://gpu.userbenchmark.com/Compare/AMD-R9-390-vs-AMD-R9-290X/3481vs2166

Just get whatever is cheapest, seeing as you already have a 290X I would go for that.

Okay thanks going with CF 290X for $400.00 that is not bad at all. Will take care my issues just need to figure out my cooler part and i am set. Give me time until the new gpus are in the market with many options before I decide to move on. Thanks~!
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post #4 of 13
I'd go with the 290X CF.

You'd have to sell the 290X to get 390CF at a loss, or else adding a 390 would cause it not to use the [edit: extra] 4GB of VRAM (the 390 having 8 GB).

The other issue is that in most games, 4GB of VRAM is adequate, especially at 1080p.

Give this article a read:
https://techreport.com/blog/28800/how-much-video-memory-is-enough

While a case could be made that at 4k, 4GB is insufficient, at 1080p, it's not likely that you will run out of RAM before running out of core, so to speak.
Edited by CrazyElf - 1/21/16 at 6:30pm
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by CrazyElf View Post

I'd go with the 290X CF.

You'd have to sell the 290X to get 390CF at a loss, or else adding a 390 would cause it not to use the 4GB of VRAM.

The other issue is that in most games, 4GB of VRAM is adequate, especially at 1080p.

Give this article a read:
https://techreport.com/blog/28800/how-much-video-memory-is-enough

While a case could be made that at 4k, 4GB is insufficient, at 1080p, it's not likely that you will run out of RAM before running out of core, so to speak.

Nice thanks for the url and for the information. I think I am pretty happy with my purchase which is a PowerColor Devil 13 Dual GPU R9 290X. Now I don't need to fight anymore not having the first PCIE slot open and I can keep which ever cooler I want with it. Overrwall the system is about complete for what I need it for and what I use it for too. biggrin.gif
Edited by ITAngel - 1/20/16 at 8:20pm
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post #6 of 13
Remember to unpark cores and disable ulps
post #7 of 13
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

Remember to unpark cores and disable ulps

Is that on the graphic card?
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post #8 of 13
overclock the r9 290x to 1080 clock speed and 1500 memory speed and you have yourself a 390x less the 4gb of memory
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post #9 of 13
Quote:
Originally Posted by ITAngel View Post

Is that on the graphic card?
windows parks cores to save energy, games that use HT or more than 4cores would lose performance if its enabled.ulps does a similar thing with the other gpus,disabling it will let it perform as it should
post #10 of 13
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

windows parks cores to save energy, games that use HT or more than 4cores would lose performance if its enabled.ulps does a similar thing with the other gpus,disabling it will let it perform as it should

I see, good to know, I remember unpacking the cpu cores on the FX-8350 and it made a huge difference. Thanks again! will have to see how my 5820k works to see if is needed or not. biggrin.gif
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