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AMD RX 480 Review Thread - Page 175

post #1741 of 3674
Quote:
Originally Posted by Skye12977 View Post


Halfway through the video, and serious questions are coming up already.

The 480 is currently being looked at for already drawing more power across the PCI-E bus than spec. Now the card appears to be getting throttled in performance due to not getting enough power, although it is ALREADY drawing more off the bus than spec.

So, the question is how in the Hell did AMD not catch this? This isn't one of those things you just don't catch, this has to have been known. How damn rushed was this card? Is AMD that concerned with Pascal that they would push a product out well before ready?
    
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post #1742 of 3674
Quote:
Originally Posted by Slomo4shO View Post

Most retailers are out of stock. Wonder what percent of the sold inventory was purchased by miners...
Idk but OC UK sold 2k of card already. Prices of electricity are quite high in the GB and most of western Europe so I don't think many miners in that batch. Other places where mining is more profitable probably are buying the entire supply.
post #1743 of 3674
Quote:
Originally Posted by PostalTwinkie View Post

Halfway through the video, and serious questions are coming up already.

The 480 is currently being looked at for already drawing more power across the PCI-E bus than spec. Now the card appears to be getting throttled in performance due to not getting enough power, although it is ALREADY drawing more off the bus than spec.

So, the question is how in the Hell did AMD not catch this? This isn't one of those things you just don't catch, this has to have been known. How damn rushed was this card? Is AMD that concerned with Pascal that they would push a product out well before ready?
Would this mean that 1. it's not as power efficient as they're supposed to be 2. that they should just have additional PCI connectors?
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post #1744 of 3674
Quote:
Originally Posted by comagnum View Post

http://www.3dmark.com/fs/9047245

On Xfx Black ed. 1328/2050 with 25mv undervolt. Will try and undervolt a bit more and see what I can do. Set fan to 2500/3600 and it honestly isn't bad at all. Temps never got above 69c.

Try it by raising just the power limit as well and see what you get then.
 
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post #1745 of 3674
Quote:
Originally Posted by nagle3092 View Post

Try it by raising just the power limit as well and see what you get then.

And try to OC?
post #1746 of 3674
Quote:
Originally Posted by comagnum View Post

And try to OC?
In theory, just raising the power target will get you most of the benefit of an oc.
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post #1747 of 3674
Quote:
Originally Posted by comagnum View Post

And try to OC?

Nope just raise the power limit and see if your score goes higher. According to TTL they are power limited out of the box so just raising the power limit should improve the score.

The video was posted Here.
 
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post #1748 of 3674
Quote:
Originally Posted by Skye12977 View Post

Would this mean that 1. it's not as power efficient as they're supposed to be 2. that they should just have additional PCI connectors?

The reference card is meant to run at stock. If you want to oc, wait for the aftermarket ones.
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post #1749 of 3674
Quote:
Originally Posted by PostalTwinkie View Post

Halfway through the video, and serious questions are coming up already.

The 480 is currently being looked at for already drawing more power across the PCI-E bus than spec. Now the card appears to be getting throttled in performance due to not getting enough power, although it is ALREADY drawing more off the bus than spec.

So, the question is how in the Hell did AMD not catch this? This isn't one of those things you just don't catch, this has to have been known. How damn rushed was this card? Is AMD that concerned with Pascal that they would push a product out well before ready?

Quote:
Originally Posted by Skye12977 View Post

Would this mean that 1. it's not as power efficient as they're supposed to be 2. that they should just have additional PCI connectors?

I think the more likely explanation is they said "to hell with efficiency" and pushed this chip to the brink of its limits and way past its optimal efficiency to extract every last ounce of performance, which would help explain the bizarre and excessive power draw.
post #1750 of 3674
Quote:
Originally Posted by magnek View Post


I think the more likely explanation is they said "to hell with efficiency" and pushed this chip to the brink of its limits and way past its optimal efficiency to extract every last ounce of performance, which would help explain the bizarre and excessive power draw.
Nah,what i think makes the most sense is that they produced a huge quantity of chips in a new process without taking an eye on the chip leakage wich may explain why some reviews have higher or lower power consumption.
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