Topic Title: amd R9 290x and crossfire, any good ??
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Created On: 12/15/2013 06:08 AM
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 12/15/2013 06:08 AM
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m1tp2king
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hi. i am thinking of buying 2 AMD R9 290x to make crossfire system. please tell me your experience with the mentioned sysytem, any good ?

 



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 12/15/2013 07:03 AM
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deathcrush87
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with this system?

i would upgrade my cpu, motherboard and ram.



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 12/15/2013 08:19 AM
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zipsi
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I would upgrade the system even with a single R9 290x, you are already bottlenecking and not seeing the full potential of that r9 290x, crossfiring them would make everything worse.



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 12/15/2013 11:36 AM
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black_zion
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Agreed, especially since that "INTEL motherboard", going by the age of your processor, is not capable of x16/x16 electrical.

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 12/16/2013 07:42 PM
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m1tp2king
Nerfed

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sorry, you misunderstood me. i intend to build a new computer with AMD R 9 290x crossfire.

please tell me your experience, with AMD R9 290x crossfire. i might be gaming at 2560 x 1600.

thanks.



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 12/16/2013 09:38 PM
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black_zion
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The first thing you should do is WAIT a couple of more weeks for the custom cooled versions which are actually able to fully perform. Then you should start out with ONE 290X because a single card is designed for 2560x1600 and above resolutions, so Crossfire won't necessarily be necessary.

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 12/16/2013 10:08 PM
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m1tp2king
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OK thanks, but by getting crossfire it will future proof my PC, don't you think ?



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 12/16/2013 11:32 PM
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black_zion
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Depends on how you define future proofing. The R9 290X is roughly 25% faster than the 7970 Ghz edition, which itself was a little more than 37% faster than the HD 6970, which was 50% faster than the HD 4870 (or marginally faster than the HD 5870 as it was mostly an efficiency and Crossfire scaling update.) So figure if things keep going the way they are, and they will, in 3 years we will be looking at single graphics cards of the same power as the dual cards of today (the 290X is 17% faster than the HD 5970 on paper, more in practice due to the 5970's reliance on scaling), especially as GPUs are becoming the backbone of the HPC world and games continue to increase in graphical complexity.

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Edited: 12/16/2013 at 11:39 PM by black_zion
 12/17/2013 06:28 AM
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deathcrush87
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go with 1 R9, its more than enough for games nowadays.

crossfire is nothing but headache, crossfire is only meaningful for me when i have low budget and i want to have the same performance of a high end gpu.

for example, my previous crossfire setup of two hd7870 (now RMAed) costed me £360.00 and it had quite the same performance as a £800.00 GTX Titan. even faster than a £400.00 hd7970 when i bought mine.

with crossfiring of high end cards you need:

- Intel cpu, a very good one (expensive), or a high end AMD cpu that is extremely overclocked, in both cases you need an expensive water cooling system.

- very beefy powersupply which is expensive, adding to the fact that you need hefty watercooling..

- a very good case which is not cheap.

- top notch motherboard to assure that you are getting the best out of your cards (expensive)

- expensive full HD or better monitors, at least 2, which makes the use of crossfire meaningful (expensive)

- very good ram with at least 16gb and over 1800 mhz (expensive)

- possible watercooling for your gpus, as R9 290x runs really hot, and a "future proofing" in the case that later you would want to overclock your gpus further more (very, very, very expensive..)

here you go now, you are spending over £3,000 to £4,000 on a system that in two years time its absolutely outdated.. and at that time, a medium £600.00 pc would be equal in processing power to yours..

take my advice, spend light but continuous on upgrading your pc instead of investing huge amount of money in one go.

many games do not even support crossfire, its a fact.

if i can get refunded for my two 7870s i would buy a single r9 290x and be done with it.

 



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

 12/18/2013 02:06 PM
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Earnhardt
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Originally posted by: deathcrush87 go with 1 R9, its more than enough for games nowadays.

crossfire is nothing but headache, crossfire is only meaningful for me when i have low budget and i want to have the same performance of a high end gpu.

for example, my previous crossfire setup of two hd7870 (now RMAed) costed me £360.00 and it had quite the same performance as a £800.00 GTX Titan. even faster than a £400.00 hd7970 when i bought mine.

with crossfiring of high end cards you need:

- Intel cpu, a very good one (expensive), or a high end AMD cpu that is extremely overclocked, in both cases you need an expensive water cooling system.

- very beefy powersupply which is expensive, adding to the fact that you need hefty watercooling..

- a very good case which is not cheap.

- top notch motherboard to assure that you are getting the best out of your cards (expensive)

- expensive full HD or better monitors, at least 2, which makes the use of crossfire meaningful (expensive)

- very good ram with at least 16gb and over 1800 mhz (expensive)

- possible watercooling for your gpus, as R9 290x runs really hot, and a "future proofing" in the case that later you would want to overclock your gpus further more (very, very, very expensive..)

here you go now, you are spending over £3,000 to £4,000 on a system that in two years time its absolutely outdated.. and at that time, a medium £600.00 pc would be equal in processing power to yours..

take my advice, spend light but continuous on upgrading your pc instead of investing huge amount of money in one go.

many games do not even support crossfire, its a fact.

if i can get refunded for my two 7870s i would buy a single r9 290x and be done with it.

 

Not sure where your getting your info from...



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AMD Phenom II 1100t @4.0Ghz /Asus sabertooth 990fx/2x Gigabyte 3G 7950's in crossfire/500G samsung 840 ssd/16G G-Skill Ripjaw 1600/2-samsung 24" monitors 1920X1200/Corsair AX1200W psu/W7 pro 64,G19 keyboard,Roccat kone pure mouse,Cooler master HAF932,Corsair H100i water cooler,Zalman ram cooler.Sound Blaster X-Fi Titanium Fatal1ty Champion Series,Logitech Z5500 speakers,Roccat Kave 5.1 headset.

 12/18/2013 02:33 PM
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deathcrush87
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my own experience.

look up my latest post on this forum, could anyone give any useful information about my issues apart from "change your psu", "disable the ULPS", "blah blah blah" that are so simple you can find them anywhere?

if you are so professional with crossfire, help me with my issues first, if you cant or you dont have the knowledge then do not recommend something that is horribly glitchy and buggy to others..



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

 12/18/2013 04:30 PM
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Earnhardt
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Thats whats funny,I dont do anything out of the ordinary,I D/L the CCC package,do A custom install(dont need RAPTR).Thats it,I dont use driver cleaners,EVER!

I let everything run on default,No issues.I've been running crossfire for 5 generations now with out issues,If a game doesnt support crossfire,I disable 1 card and carry on.BFBC2,BF3 and BF4 are always almost 100% scaling.

crossfired cards to date-3870,4850,4870,5850,5870,6950,7870,7950.

The one thing I have noticed on this forum and others,most of the issues I see are Windows 8/8.1 related.In fact one of the members in the BF clan I belong to uninstalled w8/8.1 just for this reason,He was having too many issues.he reinstalled W7 and has been happy with it since.



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AMD Phenom II 1100t @4.0Ghz /Asus sabertooth 990fx/2x Gigabyte 3G 7950's in crossfire/500G samsung 840 ssd/16G G-Skill Ripjaw 1600/2-samsung 24" monitors 1920X1200/Corsair AX1200W psu/W7 pro 64,G19 keyboard,Roccat kone pure mouse,Cooler master HAF932,Corsair H100i water cooler,Zalman ram cooler.Sound Blaster X-Fi Titanium Fatal1ty Champion Series,Logitech Z5500 speakers,Roccat Kave 5.1 headset.

 12/18/2013 05:47 PM
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deathcrush87
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as i said, simple solutions like drivers and os versions..

they did not work for me.

those games (bf3, bf4 and bfbc2) are the games that i have problem playing with crossfire on.

so far crossfire only caused me to spend more money than intended, i RMAd my cards but the online stores (yes i bought each one from a different store as of differences in price) tested them in single card and declared them not-faulty.

i objected this and they are going to send them back to the supplier for further tests.

4 months of headache, i dont have a working pc during the holiday as well.

not to mention hundreds of british pounds i spent to make it work.

the post is there, if you have any technical knowledge regarding the pictures and figures i shared there please help me.

if not, do not argue with me when i discourage others to not experience the torture i went through.



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AMD FX8350//Corsair vengeance DDR3 CL9 8GB@1600//Asus ROG Crosshair V Formula z//Asus R9 290X oc DCII//Corsair CX750//Razer Lycosa//Corsair M30//Zalman Z11 plus case//Kingston 120gb SSD//Yamaha Audiogram6//Windows 8.1 64bit//

 12/18/2013 10:07 PM
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Earnhardt
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 Crossfire works great! No argument here.



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AMD Phenom II 1100t @4.0Ghz /Asus sabertooth 990fx/2x Gigabyte 3G 7950's in crossfire/500G samsung 840 ssd/16G G-Skill Ripjaw 1600/2-samsung 24" monitors 1920X1200/Corsair AX1200W psu/W7 pro 64,G19 keyboard,Roccat kone pure mouse,Cooler master HAF932,Corsair H100i water cooler,Zalman ram cooler.Sound Blaster X-Fi Titanium Fatal1ty Champion Series,Logitech Z5500 speakers,Roccat Kave 5.1 headset.

 12/21/2013 06:40 PM
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eldarko
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I'd go for SLI if you absolutely have to go for a multi GPU setup. Otherwise go for a single after market 290. This is my experience with CF and the reason I'm standing with deathcrush on this one:

 

I got a pair of 7790 immediately after they came to market. I had a number of CF issues ranging from crashes, BSODs, random frame drops, image distorsion problems, display syncronization problems, serious clock issues (aka GPU stays at 2D frequency instead of full power during games)... But I was persistent, googling day after day, week after week, month after month... And finally, after 7 months - the 7790 crossfire started working but not without tweaks. I had to disable ULPS, enable unofficial overclocking mode and always reset the cards before starting a 3D application and make sure vsync is on. But hey it worked and it was awesome! \o/

Then... Since I thought I was now an experienced CF (L)user I went for R9 290 crossfire - and bam. Back to point 0. Again BSODs, again random crashes, again visual artefacts, again sync problems and even worse: sound issues. But I am still persistent; I know that the good guys at AMD will fix the issues. I just hope it doesnt take them 7 months like it did for 7790.

 12/21/2013 06:48 PM
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Vantharas
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If your crossfire has been crashing from day one with multiple graphics cards. Its not AMD to blame thats for sure. 

Because I'm sure you could have given me either one of the crossfire setups you had issues with and I would have had it working just fine on my own motherboard. 

@ OP crossfire is an excellent thing to have for multi monitor , or 2500x1600+ resolution gaming. Ever since the 10.10 drivers crossfire scaling has been nearly 100%. 



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 12/21/2013 07:13 PM
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eldarko
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Vantharas, I will believe you are an expert on the subject. So, please help the others also set up their own crossfire setups. Take a look at the open issues in this forum (deathcrush and also my own) and share the solution.

But if your solution is to use only your own mainboard (GA Z77 UD3 I assume) then I have some bad news for you: thats as much as a solution as buying another video card. I actually really love my mainboard and I'd actually rather swap a video card then the GA G1.Sniper5. Especially if its a downgrade.

...and yes, crossfire is excellent - when it works. The two 7790 in CF are almost as useful as one 290. And they are also quieter and require less power: I love them. I will probably love r9 290s when the issues get solved too. ^_^

 01/06/2014 05:29 PM
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Raizer
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My understanding is that CF works well with regular Ivy and Sandy Bridge platforms, but there are problems with X58 & X79.

 01/11/2014 11:52 PM
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blackplague815
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Originally posted by: Raizer My understanding is that CF works well with regular Ivy and Sandy Bridge platforms, but there are problems with X58 & X79.

 

 

 

I can confirm the problems with my X58 system. Cant use Vsync= Screen-tear hell.

Other than that problem, these cards are KING at 4k and cant be matched.

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