Traditionally the launch of a next-generation high-end video card has been a staggered process. In the name of getting cards out as soon as possible the first cards are almost always reference cards coming preassembled straight from AMD or NVIDIA, which are then touched up in the livery of their partners before being boxed and sold. Only later on – particularly when there’s a solid supply of GPUs – can partners acquire individual parts and put together their custom designs.

But as it’s turning out the Radeon HD 7970 isn’t going to be a traditional launch. In a rare move AMD has loosened the leash on their partners just a bit, and as a result we’re seeing semi-custom cards planned for launch earlier than usual. XFX looks to be the first partner to take advantage of this more liberal policy, as alongside the reference cards being launched today they’re launching their first semi-custom 7970s.

AMD GPU Specification Comparison
  XFX Radeon HD 7970 Black Edition AMD Radeon HD 7970 AMD Radeon HD 6970 AMD Radeon HD 6870
Stream Processors 2048 2048 1536 1120
Texture Units 128 128 96 56
ROPs 32 32 32 32
Core Clock 1000MHz 925MHz 880MHz 900MHz
Memory Clock 1.425GHz (5.7GHz effective) GDDR5 1.375GHz (5.5GHz effective) GDDR5 1.375GHz (5.5GHz effective) GDDR5 1.05GHz (4.2GHz effective) GDDR5
Memory Bus Width 384-bit 384-bit 256-bit 256-bit
Frame Buffer 3GB 3GB 2GB 1GB
FP64 1/4 1/4 1/4 N/A
Architecture GCN GCN VLIW4 VLIW5
Transistor Count 4.31B 4.31B 2.64B 1.7B
Manufacturing Process TSMC 28nm TSMC 28nm TSMC 40nm TSMC 40nm
Price Point $599 $549 $350 $160

XFX has 4 7970s planned; half of which are using AMD’s reference cooler, and the other half using XFX’s twin fan Double Dissipation cooler. As is traditional with the first wave of customized cards, all of these cards are semi-custom as XFX is using AMD’s reference PCB. Fully custom cards will come farther down the line. Of these 4 cards, 2 of them will be launching today: XFX’s Core Edition pure reference card, and their customized Black Edition Double Dissipation model, which features both a factory overclock and XFX’s custom cooler. It’s the Black Edition Double Dissipation we’ll be looking at today.

XFX Radeon HD 7970 Lineup
  XFX Radeon HD 7970 Black Edition Double Dissipation XFX Radeon HD 7970 Black Edition XFX Radeon HD 7970 Double Dissipation XFX Radeon HD 7970 Core Edition
Product Number FX-797A-TDBC FX-797A-TNBC FX-797A-TDFC FX-797A-TNFC
Core Clock 1000MHz 1000MHz 925MHz 925MHz
Memory Clock 1.425GHz (5.7GHz effective) GDDR5 1.425GHz (5.7GHz effective) GDDR5 1.375GHz (5.5GHz effective) GDDR5 1.375GHz (5.5GHz effective) GDDR5
Cooler Double Dissipation Reference Double Dissipation Reference
Price Point $599 N/A N/A $559

The 7970 Black Edition Double Dissipation is XFX’s top 7970 card. XFX is binning the boards they receive from AMD to give their Black Edition lineup a moderately impressive launch day overclock. The 7970 BEDD ships at 1000MHz core (8% overclock) and 5.7GHz memory (4% overclock), on what’s proving to be a rather overclockable design for AMD. Notably they’re doing this without any extra voltage – both our reference and BEDD 7970s run at 1.17v – which means the BEDD’s power consumption is only marginally higher than the reference 7970.

Along with the factory overclock the BEDD features XFX’s Double Dissipation cooler. Like the 7970 reference cooler XFX is using a vapor chamber at the base of their heatsink to draw heat from the Tahiti GPU, which then leads to an aluminum heatsink that runs almost the entire length of the card. Airflow is provided by a pair of fans sitting on top of the heatsink, similar to a number of other double fan designs we’ve seen over the years. Meanwhile like the heatsink, the casing is also made out of aluminum, specifically brushed aluminum. Finally, XFX is using a custom bracket with their logo cut into it – they claim that this improves airflow, but compared to any other changes the difference would be minimal at best.

Compared to AMD’s reference blower design the biggest difference here is that like other twin fan designs the Double Dissipation cooler is fundamentally an open air internal exhaust design. This allows XFX to achieve a similar level of cooling as AMD’s design, but with less noise. The tradeoff of course is that with an internal exhaust case cooling becomes much more critical as the BEDD will be dissipating most of the 250W of heat a 7970 generates under load into the case rather than outside of it.

Because the card is based on an AMD PCB, the dimensions of the card are similar to the reference 7970. The PCB itself is 10.5” just like the reference card, but XFX’s cooler isn’t quite as long, shaving off roughly 0.3” compared to the reference card and making the entire package only 10.65” long. Meanwhile at the front of the card, since this is an AMD PCB the port layout is identical: 1 DL-DVI port, 1 HDMI port, and 2 miniDP ports, situated below XFX’s logo on their custom bracket.

Moving on to the packaging, XFX packages only a few additional items with the BEDD, and as a result the box not much bigger than the card. Inside you’ll find the usual driver CD and quick start guide, along with a metal XFX case badge, a mid-length CrossFire bridge, and a passive HDMI to SL-DVI adaptor. It’s interesting to note that XFX has not included the more expensive active miniDP to SL-DVI adaptor, contrary to AMD’s earlier claims that all 7970s would ship with one, so the BEDD is only good for driving 2 DVI monitors out of the box. Finally, XFX is offering a base 2 year warranty on the BEDD, which can be extended to a lifetime warranty (ed: not a double lifetime warranty) by registering the card within 30 days of purchasing it.

The MSRP on the BEDD is $599, $50 over the $549 MSRP for the reference cards. Even with the higher price it looks to either be popular or in short supply – we saw the card sell out at Newegg before our NDA even expired.

Winter 2011 GPU Pricing Comparison
  $750 GeForce GTX 590
Radeon HD 6990 $700  
XFX Black Edition Double Diss. $599  
Radeon HD 7970 $549  
  $500 GeForce GTX 580
Radeon HD 6970 $350 GeForce GTX 570
Radeon HD 6950 2GB $250  
  $240 GeForce GTX 560 Ti
Radeon HD 6870 $160  


The Test, Power, Temp, & Noise


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  • chizow - Tuesday, January 10, 2012 - link

    Also to this:

    "Gtx 460 and 560 ti were failure compared to AMD's offerings - in terms of performance."

    Contradict yourself much? If this is true, then you're admitting every single GPU AMD has created since G80 is a failure compared to Nvidia's offerings and directly contradicting the points you're trying to make with regard to price and performance.

    Sorry, you can't argue out of both sides of your mouth, the message just comes out a big jumbled mess.
  • wifiwolf - Tuesday, January 10, 2012 - link

    I think with this post you're just saying he was right all along.
    And I agree. It's just business, you just choose where you you want to place your product: On profits or brand.
  • chizow - Tuesday, January 10, 2012 - link

    No, I don't agree with any of that because its clearly off-base and out of place in a discussion about high-end performance parts.

    What drives pricing in this segment? This is a simple answer.

    Performance. That's all that matters.

    Performance/watt and performance/dollar are just tertiary considerations that take a back seat to secondary considerations like feature sets and application support. You win these "value" market segments not because you want to, but because you have to when you can't win without compromises.
  • wumpus - Tuesday, January 10, 2012 - link

    DPFlops/Watt matters if Fermi and Kepler were designed for GPU computing. Nvidia makes a ton of money there, and doesn't have to compete with AMD nearly as much as in graphics.

    DPFlops/Card seem to matter more. I suspect that DPFlops/Card matters most (due to IO issues) than DPFlops/$ (once known as machoflops, mostly for govt/academic epeenwaving).

    Now that both companies appear to be designing for GPU computing, it will be interesting to see how they compare (even if the 7970 seems to be missing half of its DPFlops. I wonder if they managed to de-power the transistors if they are there).
  • chizow - Tuesday, January 10, 2012 - link

    DPFLops/Watt discussions have a place, but not for desktop GPU parts branded GeForce or Radeon. If this were a Tesla part it'd be more meaningful.

    Nvidia cripples DP performance pretty badly on their GeForce parts starting with Fermi and I imagine they will do the same for Kepler. It also sounds like AMD is doing the same for Tahiti, but it will be some time before we have any idea if GCN is even directly competitive in real world GPU compute applications.

    Benchmarks and synthetic tests look great, but its going to take quite a bit of effort for AMD to get any penetration in a HPC market Nvidia has clearly dominated. Nvidia basically had to create their own API and GPU compute market from scratch, so AMD has their work cut out for them to catch up.
  • Jediron - Wednesday, January 11, 2012 - link

    No, not the Champions of the poor. But yes, Champions of the single core Videocard!
    GTX580, you lose.

    Sure the ball lies in Nvidia camp now, no suprise there! The ball was in AMD's camp, and they scored; that is obvious.

    Long live the red camp :-)
  • mhampton - Monday, January 9, 2012 - link

    Page 2 of the article starts by listing the setup tested, and the CPU must be a misprint - as far as I know there is no "i7-3936". Presumably this should be 3960 or 3930 instead. Reply
  • know of fence - Monday, January 9, 2012 - link

    The same 3936 misprint can be found here:
  • Ryan Smith - Monday, January 9, 2012 - link

    Noted and fixed. Thank you. Reply
  • BenSides - Monday, January 9, 2012 - link

    I agree with a poster above, who is apparently content running a single 5850 paired with the latest game releases. I have 2 5870's in crossfireX, in conjuction with an old i7 950 cpu. My benchmark results (Crysis) blow this new thing (7870) to hell.

    While not a gamer, benchmarking is a hobby of mine. Looking at the results here at Anandtech, it is reassuring to know that with the elderly cards I have, it seems there is nothing, at the present time, or looming on the horizon, which would make my graphics cards obsolete.

    In short, until AMD or NVIDIA introduce some revolutionary new technology, you're fine with your current card(s), if the presented benchmarks are any indication. Seems to me that at the present time, NVIDIA and AMD are producing new graphics solutions which are just overclocked versions of *old* graphics solutions.

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