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Thursday, 28 October 2010 13:38

XFX HD 6850 Black Edition reviewed - Thermals

Written by Sanjin Rados
xfx-6850-black-thumbrecommended08_75

Review: The fastest factory overclocked HD 6850 yet

Thermals

XFX did a good job designing HD 6850 Black Edition and while they ended up using a cooler that is pretty efficient, the fan noise isn’t something we liked. FurMark temperatures were at 67 degrees Celsius, but we shouldn’t forget we’re talking about a factory overclocked card here. The card’s core runs at 45MHz higher than reference (820MHz) and the memory is at 4400MHz (reference clock is 4000MHz).

Idle temperature is about 37°C, but the fan runs at about 41% RPM when idle making it a bit loud. In our case, the graphics card’s fan was much louder than the fan on EVGA 4-Way SLI motherboard’s chipset, so you can imagine what we’re talking about. Of course, you can regulate RPM from within Catalyst Overdrive.

All in all, the cooling is efficient but it could be a little quieter.

(Page 6 of 7)
Last modified on Friday, 10 December 2010 23:08
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Comments  

 
+7 #1 trek554 2010-10-28 13:04
I think I would save the 20 bucks and move the slider over to 820/1100 myself.
 
 
+1 #2 Regenweald 2010-10-28 13:08
Lil typo, 400Mhz, and what's up with the 2008 on the badge :lol:
 
 
+2 #3 nele 2010-10-28 13:35
Quoting Regenweald:
Lil typo, 400Mhz, and what's up with the 2008 on the badge :lol:


;-)

Thanks mate, replaced the badge...
 
 
-19 #4 Tr0y 2010-10-28 15:37
As I always say: You can't overclock ATI/AMD. 2 to 5%, that's it.

Overclocking my GTX460 by 25% was no problem.
 
 
+5 #5 Blizzard 2010-10-28 17:37
Quoting Tr0y:
As I always say: You can't overclock ATI/AMD. 2 to 5%, that's it.

Overclocking my GTX460 by 25% was no problem.

An overclock from 775 to 900-920 on standard volts, its no overclock-able? and with volts+ it might get 950-1000 - that is 20-25% if you are bad in maths
 
 
+5 #6 Sethroque 2010-10-28 18:34
Actually I'm impressed by the cooler on this card, does the job way better than reference design. What a nice card :)
 
 
-9 #7 Tr0y 2010-10-28 22:03
Quoting Blizzard:
An overclock from 775 to 900-920 on standard volts, its no overclock-able? and with volts+ it might get 950-1000 - that is 20-25% if you are bad in maths


Who's talking about "900-920"? Maybe in an ATI fanboys dream?

Read the article:
Reference clock 6850 : 775MHz
XFX HD 6850 Black Edition : 820MHz

That's not even 6%.
 
 
+6 #8 thomasg 2010-10-28 22:15
Quoting Tr0y:
Read the article:
Reference clock 6850 : 775MHz
XFX HD 6850 Black Edition : 820MHz

That's not even 6%.


Did you read the article? They overclocked it to 940 MHz on standard voldage, 820 is what it was overclocked at from the factory. You said you overclocked your card 25%, not that it came factory overclocked 25%. 775 to 940 is a 21.3% overclock on the first batch of 6850's, without increasing voltages, which isn't too shabby.
 
 
0 #9 thomasg 2010-10-28 22:20
Even that measly factory overclock is more than 5%. But as more companies come out with their overclocked boards, look for more and more. Remember, this card hasn't even been out a week, and most of the first boards were clocked at stock speeds.
Quoting Tr0y:
As I always say: You can't overclock ATI/AMD. 2 to 5%, that's it.

Overclocking my GTX460 by 25% was no problem.
 
 
+3 #10 Super XP 2010-10-29 02:33
Nice looking cooler. The Black Edition is a great card, but it's not OC'ed far enough IMO to justify the extra price. You can easily OC it yourself. But that cooler may keep the card much cooler than stock.
 

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