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Which 780 Ti should I get? Asus DirectCU II OC or EVGA SC with ACX cooler? - Page 3

post #21 of 46
Quote:
Originally Posted by TwoCables View Post

The R9 290 isn't far behind the 780 Ti, and you can get the DirectCU II for $489.99 shipped right now.

http://www.amazon.com/Asus-R9290-DC2OC-4GD5-ASUS-Graphics-Cards/dp/B00HWQUI02
But that's an OpenCL card, doesn't help if you need CUDA.
post #22 of 46
Quote:
Originally Posted by TwoCables View Post

The R9 290 isn't far behind the 780 Ti, and you can get the DirectCU II for $489.99 shipped right now.

http://www.amazon.com/Asus-R9290-DC2OC-4GD5-ASUS-Graphics-Cards/dp/B00HWQUI02

the 290 more competes with the 780, not really the 780ti at OC on well cooled air/water, and also the DCU II 290 has various issues, mainly the fact that the re-used cooling design does not fit - out of the 5 heatpipes, only one of them has full contact with the GPU, two have partial contact and the last two have no contact at all
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post #23 of 46

I know. lol

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post #24 of 46
Quote:
Originally Posted by Cyro999 View Post


the 290 more competes with the 780, not really the 780ti at OC on well cooled air/water, and also the DCU II 290 has various issues, mainly the fact that the re-used cooling design does not fit - out of the 5 heatpipes, only one of them has full contact with the GPU, two have partial contact and the last two have no contact at all

 

Compare the often-recommended MSI Gaming R9 290 to the DirectCU II R9 290:

 

http://www.kitguru.net/components/graphic-cards/zardon/msi-r9-290-oc-gaming-edition-review-1600p-ultra-hd-4k/28/

 

http://www.kitguru.net/components/graphic-cards/zardon/asus-r9-290-direct-cu-ii-oc-review-1600p-ultra-hd-4k/28/

 

Both achieved almost identical temps in their Furmark test, but the MSI Gaming R9 290 needed its fan speed to be at 64% while the DirectCU II R9 290 only needed its fan to be at 50%. That's a 14% higher fan speed just to achieve the same temps under the exact same conditions!

 

Also, the VRM temp issue is explained as well (this is a screenshot):

 


R9290DirectCUIIVRM.png


 

As you can see, it's not an issue at all. It's just that the sensor is in the wrong spot.


So after comparing the DirectCU II to all of the other R9 290s that would physically fit in my case (using several reviews and lots and lots of Googling), I found that the DirectCU II R9 290 was the best one.

 

Now, if I could fit the Sapphire Tri-X R9 290 into my case, then that would have been a done deal. Fortunately, the DirectCU II seems like it's nowhere near as bad as some people are trying to make it out to be, and so I'm almost 100% sure that I will be extremely happy with it.

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post #25 of 46
http://www.tomshardware.com/reviews/radeon-r9-290-and-290x,3728-6.html

this page shows the heatpipe issue and compares temps

TBH I didn't personally look at a ton of numbers, but i also would not trust anything at all from Furmark - it's not very useful for comparing temps under a gaming load (or even mining load) and especially not so if there's any throttling from max clocks
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post #26 of 46
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

(...)

Also, the VRM temp issue is explained as well (this is a screenshot):

R9290DirectCUIIVRM.png
As you can see, it's not an issue at all. It's just that the sensor is in the wrong spot.

(...)

You explained the hot VRM temperature issue in the DirectCU II 780 Ti as a misplacement of the sensor, but, as I see in that image, it only applies to their 290s. How can you be sure that the cause is the same on both cards?
post #27 of 46
Quote:
Originally Posted by Strider49 View Post



You explained the hot VRM temperature issue in the DirectCU II 780 Ti as a misplacement of the sensor, but, as I see in that image, it only applies to their 290s. How can you be sure that the cause is the same on both cards?

 



It's pretty much the same temperature.
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #28 of 46
Quote:
Originally Posted by TwoCables View Post

Quote:
Originally Posted by Strider49 View Post



You explained the hot VRM temperature issue in the DirectCU II 780 Ti as a misplacement of the sensor, but, as I see in that image, it only applies to their 290s. How can you be sure that the cause is the same on both cards?

 



It's pretty much the same temperature.
thinking.gif
post #29 of 46
Quote:
Originally Posted by robirobi View Post


thinking.gif

 

Yeah, see that's the same reaction I had. I was like, "Wait... it's the same temperature. Ok, so therefore..."

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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #30 of 46
well im having the same dillema more less.. and gonna end with 780 ti dcu2 prolly... and i wonder if there is any better alternative beside extreme like (kingpin,classified platinum since they are out of my budget)
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