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XFX HD 7970 3GB Black Edition Double Dissipation Review

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SKYMTL

HardwareCanuck Review Editor
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There are plenty of good graphics cards out there but due to the wealth of choice available to end users, it takes something special to stand out from the crowd. Only a few have had this certain “je ne sais quoi” and as a result became wildly popular. AMD’s new HD 7970 seems to have this same envious combination in the form of high efficiency combined with class leading performance and unlike some newly released GPUs, it actually surprised us with decent availability from day one.

As you might expect, board partners were quick to embrace AMD’s strategy and have come up with numerous unique HD 7970 cards which incorporate higher than reference clock speeds, custom heatsink designs and a long list of other features. In many ways, XFX has been leading the pack since along with all of the aforementioned items, they have also incorporated a lifetime warranty into some of their SKUs, something which is a bit of a rarity these days. Naturally, their flagship HD 7970 3GB Black Edition Double Dissipation takes this mantra and runs with it.


Much like the HD 7950 Black Edition, the HD 7970 version boasts overclocks on both the core and memory which is a departure from many other manufacturers that tend to only bump the engine clock. The levels to which each is pushed shouldn’t be ignored either since this is one of the few cards on the market that boasts clock speeds of 1000MHZ / 5.7Gbps. While these values don’t guarantee significant performance increases over a reference card, they will count for some differences in certain games.


XFX has not only overclocked this card but they have also equipped it with their new Double Dissipation heatsink which includes a pair of 80mm fans and an extensive internal fin array. Billed as a solution that will keep the core temperatures substantially cooler than the reference solution while maintaining a smaller acoustical footprint, the “DD” design could be perfect for gamers and enthusiasts alike.

All of these features do unfortunately come at a hefty price and at $599, the HD 7970 Black Edition Double Dissipation is currently one of the most expensive HD 7970 cards around. But that’s not to say it isn’t worth this sky high price…


In our opinion this may be one of the best looking HD 7970s on the market and the amount of engineering put into its heatsink design certainly looks impressive. Aside from the two fans pushing cool air down onto a large internal fin array, the core and memory modules are covered by an extensive copper vapor chamber to ensure the best temperatures possible. The VRM modules however receive minimal treatment as they are actively cooled by the rearmost fan and shouldn’t get all that hot. We can also see that unlike the HD 7950 Black Edition, XFX decided to keep the dual BIOS switch on this particular card.


Other than the custom heatsink, higher clock speeds and the standard 6+8 pin power connectors, there are a few noticeable differences between this and all other run of the mill HD 7970 cards. The most obvious of these is the backplate which may house the usual dual DisplayPorts and HDMI / DVI combination but also uses XFX’s custom high airflow design. XFX has also included a HDMI to DVI converter which doesn’t make this card natively compatible with Eyefinity, it is still a step above some of their competitors.


The Black Edition’s PCB may look like the reference design but supposedly XFX has embedded a 2oz copper layer within to help with heat dissipation. VRM components have supposedly also been upgraded to a slightly higher spec in order to increase their longevity while the core is handpicked for overclocking headroom.
 
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SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Test System & Setup / Benchmark Sequences

Main Test System

Processor: Intel Core i7 920(ES) @ 4.0Ghz (Turbo Mode Enabled)
Memory: Corsair 3x2GB Dominator DDR3 1600Mhz
Motherboard: Gigabyte EX58-UD5
Cooling: CoolIT Boreas mTEC + Scythe Fan Controller
Disk Drive: Pioneer DVD Writer
Hard Drive: Western Digital Caviar Black 2TB
Power Supply: Corsair AX1200
Monitor: Samsung 305T
OS: Windows 7 Ultimate N x64 SP1


Acoustical Test System

Processor: Intel 2500K @ stock
Memory: G.Skill Ripjaws 8GB 1600MHz
Motherboard: Gigabyte EX58-UD5
Cooling: Thermalright TRUE Passive
SSD: Corsair Performance Pro 256GB
Power Supply: Seasonic X-Series Gold 800W


Drivers:
AMD Beta for HD 7900-series (January 20th)
AMD 12.1 WHQL + CAP 11.12 CAP3
NVIDIA 285.62 WHQL

Application Benchmark Information:
Note: In all instances, in-game sequences were used. The videos of the benchmark sequences have been uploaded below.


Battlefield 3

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Crysis 2

<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/Bc7_IAKmAsQ?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Bc7_IAKmAsQ?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>​


Deus Ex Human Revolution

<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/GixMX3nK9l8?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/GixMX3nK9l8?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>​


Dirt 3

<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/g5FaVwmLzUw?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/g5FaVwmLzUw?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>​


Metro 2033

<object width="480" height="360"><param name="movie" value="http://www.youtube.com/v/8aZA5f8l-9E?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/8aZA5f8l-9E?version=3&hl=en_US" type="application/x-shockwave-flash" width="480" height="360" allowscriptaccess="always" allowfullscreen="true"></embed></object>​


Shogun 2: Total War

<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/oDp29bJPCBQ?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/oDp29bJPCBQ?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>​


Witcher 2 v2.0

<object width="560" height="315"><param name="movie" value="http://www.youtube.com/v/tyCIuFtlSJU?version=3&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/tyCIuFtlSJU?version=3&hl=en_US" type="application/x-shockwave-flash" width="560" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>​


*Notes:

- All games tested have been patched to their latest version

- The OS has had all the latest hotfixes and updates installed

- All scores you see are the averages after 3 benchmark runs

All IQ settings were adjusted in-game and all GPU control panels were set to use application settings
 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
3DMark 11 (DX11)

3DMark 11 (DX11)


3DMark 11 is the latest in a long line of synthetic benchmarking programs from the Futuremark Corporation. This is their first foray into the DX11 rendering field and the result is a program that incorporates all of the latest techniques into a stunning display of imagery. Tessellation, depth of field, HDR, OpenCL physics and many others are on display here. In the benchmarks below we have included the results (at default settings) for both the Performance and Extreme presets.


Performance Preset



Extreme Preset

 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Battlefield 3 (DX11)

Battlefield 3 (DX11)


For this benchmark, we used a sequence from the Rock and Hard Place mission. The results may seem lower than normal and this is due to the fact that after playing through the game multiple times, this one are was found to be the most demanding on the GPU. As with all of the tests, we try to find a worst case scenario in order to ensure a given card can properly play through the whole game instead of just a “typical” section.

1920 x 1200





2560 x 1600



 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Crysis 2 (DX11)

Crysis 2 (DX11)


Crysis 2 with the DX11 and Texture Package installed not only looks great but it is a strain on any GPU. For this benchmark, we used a classic runthrough which includes far views, explosions, combat and close-in knifing; basically every hallmark of gameplay.

1920 x 1200



2560 x 1600

 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Deus Ex: Human Revolution (DX11)

Deus Ex: Human Revolution (DX11)


Deus Ex: Human Revolution may not be the hardest game for today’s high end gaming rigs to render. While the game mostly takes place indoors, it is the few outdoor areas that put additional strain on graphics cards. So for this test, we use one of the more involved outdoor sections: the Sharif Manufacturing Loading Docks.

1920 x 1200





2560 x 1600



 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Dirt 3 (DX11)

Dirt 3 (DX11)


Dirt 3 isn’t all that much different from its predecessor but the developers have added a few more visual touches but boost image quality. In this case, we used the Michigan Rally track since it features some of the hardest to render features of the game: expansive vistas, water, dirt effects, trees and many other items.

1920 x 1200





2560 x 1600



 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Metro 2033 (DX11)

Metro 2033 (DX11)


For this test we use a walkthrough and combat scene from The Bridge level which starts at the beginning of the level and lasts for about 3 minutes of walking, running and combat. Famerates are measured with FRAPS and Advanced PhysX is turned off.

1920 x 1200



2560 x 1600

 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
Shogun 2: Total War (DX11)

Shogun 2: Total War (DX11)


Due to its very nature, Shogun 2 is a tough game to benchamark since the in-game tool doesn’t accurately convey an in-game experience. So we took a pre-recorded battle which pits three large armies against one another and includes camera zooms, fog, gun smoke and other items. Using a pre-recorded sequence also effectively removes the CPU from the equation since it doesn’t have to process AI.

1920 x 1200





2560 x 1600



 

SKYMTL

HardwareCanuck Review Editor
Staff member
Joined
Feb 26, 2007
Messages
13,264
Location
Montreal
The Witcher 2 (DX9)

The Witcher 2 (DX9)


The Witcher 2 may be a DX9 based game but its graphics quality is beyond reproach. In this benchmark we take an area out of The Kayran mission and include one of the toughest effects the graphics engine has in store for the GPU: rain. Throughout this sequence, rain plays a large part but explosions, combat and even some sun shafts are included as well.

1920 x 1200





2560 x 1600



 
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