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[Reddit] RX 480 fails PCI-E specification - Page 81  

post #801 of 1129
Should of just made it for AGP Pro110 slot. Be no issues then.
post #802 of 1129
Quote:
Originally Posted by VeritronX View Post

Load temps of 80-90C has been the target and designed operating temp of reference videocards for something like 10yrs now.. It's normal. Nvidia targets 83C, the RX480 targets 80C and a fan speed of 2200rpm. Both the reference R9 290 series and the GTX 480 / 470 would hit 90C+ under load.


I know I'm still new to the game, but that's just way too hot for my liking. I mean my room's already hot enough as it is haha. But my 6950 doesn't like going much above 73C.
    
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post #803 of 1129
Quote:
Originally Posted by Offler View Post

One question..

In PCI-E 2.0 and PCI-E 2.1 was change in specification regarding power supply from PCI slot. Does anyone remember exact values ,becase i believe it was more than 75 watt. and I am not sure if it was passed to 3.0+ spects...

PCI-E 2.0/1 had 16x as well and referencing table shown on PC Per RX 480 power article would mean 75W.
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post #804 of 1129
Quote:
Originally Posted by Tisser12 View Post

I know I'm still new to the game, but that's just way too hot for my liking. I mean my room's already hot enough as it is haha. But my 6950 doesn't like going much above 73C.

It's not the temp of the gpu that determines how hot your room gets, but the amount of heat it's producing. The temp of the chip just tells you how good the cooler is at removing that heat from the gpu. The RX480 only puts out about 150W of heat vs the 200W of a 6950, so it will heat the room slower than the card you currently have (until you overclock the RX480 anyways).
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post #805 of 1129
Quote:
Originally Posted by The Stilt View Post

The controller on RX 480 supports DCR measurements, so technically the input power could be measured more accurately. At the moment GPU-Z is not displaying the data from the controller directly (you can see the controller data on 290/390 cards for example).
HWinfo64 claims they support Polaris in their latest release 5.30: "Enhanced AMD Polaris support.". Latest beta seems to have more fixes for Polaris. It would be neat if they have added the monitoring that they have for Hawaii, I can se input current and output current of the VRMs on my 290X. Pretty handy actually, and as the RX 480 has the same PWM controller it shouldn't be too hard right?


Been running Furmark for a couple of minutes.
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post #806 of 1129
those memory errors.
post #807 of 1129
Quote:
Originally Posted by Derp View Post

those memory errors.
Yes, I guess the Elpida VRAM on my 290X doesn't appreciate that clock speed biggrin.gif
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post #808 of 1129
Quote:
Originally Posted by gupsterg View Post

PCI-E 2.0/1 had 16x as well and referencing table shown on PC Per RX 480 power article would mean 75W.

Thanks for the link. Somehow I was under impression that PCI-E 2.1 can deliver up to 150W alone, but now I cannot found any source for that.

According your link - the measuring method is fine from my point of view, but there should be considered few thing.

1. 5% measurement toleration
Which means that measurement can be a bit off

2. 6pin, 12v MB and 3.3v MB are measured separately.
In general it means each measurement can be 5% off and its still within toleration. Value which equals 78,75 watt is border for spec at 75 watt.

For 150w 157,5w, but total value is affected also by 3.3v.

3. Build toleration
Usually are each components build with toleration for different voltages/currents in range 10-20%. Thats why we can overclock.


Yes, its out of spec. Oveclocking would most likely will not be good for that card with 6 pin...
post #809 of 1129
Quote:
Originally Posted by sydefekt View Post

Would a powered pci cable help with this issue, or help with overclocking?


Powered risers (directly supply power from the PSU and not the PCIe) are used by miners, as they are mining 24/7 and using passive riser is a disaster waiting to happen - mobos degrade faster.

For normal use, you don't need powered riser and if overclocking is your thing, just wait for custom boards. There is no need to over-complicate things.

P.S. That said, the guy that blew his Mobo was using 3xRX 480 and before that 3 x R9 280x (for 3 years 24/7) with passive risers, so it's absolutely his fault! Don't need to worry about him.

Edit, BTW have in mind that regular PSUs are also not designed to work 24/7!
Edited by C2H5OH - 7/4/16 at 3:50am
post #810 of 1129
Quote:
Originally Posted by VeritronX View Post

It's not the temp of the gpu that determines how hot your room gets, but the amount of heat it's producing. The temp of the chip just tells you how good the cooler is at removing that heat from the gpu. The RX480 only puts out about 150W of heat vs the 200W of a 6950, so it will heat the room slower than the card you currently have (until you overclock the RX480 anyways).

Eh... true and not true at the same time. Delta T matters. If you're running a GPU in an 35c environment, it will perform far differently to a GPU in a 20c environment. Just ask some of the recent BOINC pentathonlers, they had to shut off computers because it was getting too warm (for their comfort and sometimes their equipment) because of a heatwave that was occurring during the pentathlon.
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