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Thursday, 28 October 2010 13:38

XFX HD 6850 Black Edition reviewed

Written by Sanjin Rados
xfx-6850-black-thumbrecommended08_75

Review: The fastest factory overclocked HD 6850 yet
On October 22nd, AMD launched two new graphics cards from its Northern Islands family – Radeon HD 6870 and HD 6870. Today we have the honor of reviewing one of the highest factory overclocked HD 6850 cards. So for their HD 6850 Black Edition, XFX decided on 820MHz for the GPU and 1100MHz for the memory (4400MHz effectively). Note that reference clocks stand at 775MHz for the GPU and 1000MHz (4000MHz effectively) for the memory.

Radeon HD 6870 and HD 6850 are not high-end cards but rather products made with medium budget in mind, so called Gamers’ sweet spot cards. MRSP for HD 6870 is $239 in the US and €199 incl VAT in EU. The HD 6850 will set you back $179 in the US and €150 in the EU. As is usual with overclocked cards, XFX's card will be priced 15-20 euro above reference cost.

AMD introduced some competition to its own HD 5800 as it delivered HD 6800, which offers really nice bang per buck. It has been decided that HD 5700 series will run shoulder-to-shoulder with HD 6000 series, meaning Barts, Cayman and Antilles based performance and high-end cards. The fastest Northern Islands’ GPU will be Radeon HD 6970’s Cayman core, whereas dual-GPU Radeon 6990 comes with Antilles core.

HD 6870 and HD 6850 cards are based on Barts core, which compared to the previous generation offers improvements on the field of tessellation, Eyefinity, video decoding and last but not the least – consumption. UVD engine is now in UVD 3 version; there’s also HDMI 1.4a for 3D Blu-ray as well as two DisplayPort 1.2 outs. The DisplayPorts support Multi-Stream  technology, allowing up to 6 monitors to be used via only two DisplayPorts.

Below you see GPUZ screenshot, confirming the clocks on our card (HD-685X-ZNBC) as well as the number of shaders (960). HD 6850 Black Edition is currently the fastest factory overclocked HD 6850 and as you’ll see in our overclocking section, Barts packs some nice overclocking potential.

xfx_6850_Black_gpuz_ccc_10.10

XFX HD 6850 Black Edition card is a custom designed card with custom cooling.

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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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