Back in 2016 AMD launched the Radeon Pro Duo, an interesting take on a semi-pro workstation card. As a dual-GPU Fiji card wasn’t going to be viable for the consumer market, AMD instead focused their attention on developing such a card for the professional content creation market, where the lack of VRAM would be less of an issue and the second GPU more of an asset. The resulting card was best geared for a niche market, but none the less an important one for the company.

Until now, I hadn’t seen any real statistics on how the Radeon Pro Duo was doing in the market or if AMD would follow-up on it with newer products. Now at the 2017 NAB Show we have our answer, as AMD has announced their second Radeon Pro Duo. This time powered by a pair of the company’s Polaris 10 GPUs, the latest Radeon Pro Duo is aimed at roughly the same market as the original, but with all of the improvements that Polaris has brought the consumer market in the past year.

AMD Workstation Card Specification Comparison
  AMD Radeon Pro Duo (Polaris) Radeon Pro WX 7100 AMD Radeon Pro Duo (Fiji) AMD Radeon R9 295X2
Stream Processors 2 x 2304 2304 2 x 4096 2 x 2816
Texture Units 2 x 144 144 2 x 256 2 x 176
ROPs 2 x 32 32 2 x 64 2 x 64
Boost Clock 1243MHz 1243MHz 1000MHz 1018MHz
Memory Clock 7Gbps GDDR5? 7Gbps GDDR5 1Gbps HBM 5Gbps GDDR5
Memory Bus Width 2 x 256-bit 256-bit 2 x 4096-bit 2 x 512-bit
VRAM 2 x 16GB 8GB 2 x 4GB 2 x 4GB
Typical Board Power 250W 130W 350W 500W
GPU Polaris 10 Polaris 10 Fiji Hawaii
Architecture Polaris Polaris GCN 1.2 GCN 1.1
Manufacturing Process GloFo 14nm GloFo 14nm TSMC 28nm TSMC 28nm
Launch Date 05/2017 10/2016 04/2016 04/21/2014
Launch Price $999 $649 $1499 $1499

Even though it goes after the same market as the last Pro Duo, the new Polaris-based Pro Duo is a much different card in a number of important ways, virtually all of which have to do with the differences in features and design between the previous Fiji GPU and the newer Polaris 10 GPU. Fiji was a high-end GPU that had to be reined in a bit to fit on a dual GPU card – and even then AMD needed a closed loop liquid cooler – whereas the Polaris 10 GPUs that go into the modern incarnation have a much more workable TDP from the start. Coupled with that, Polaris 10 doesn’t have the fixed VRAM capacity of Fiji, which means AMD can significantly increase the total VRAM. As a result, the new Pro Duo strikes a very different balance than the old card.

By the numbers then, the Polaris-based Radeon Pro Duo is actually slower than the older Fiji version. It has a clockspeed advantage, but this isn’t enough to overcome Fiji’s total stream processor advantage. All told, at peak rates the new Pro duo is rated for 11.45 TFLOPs of FP32, while the Fiji version was rated for 16.38 TFLOPs. In practice however I don’t expect that the gap is quite so large, as Fiji would need to throttle more often, and Polaris enjoys at least a small architectural advantage.

What the new Pro Duo loses in throughput it more than picks up in VRAM. With each Polaris 10 GPU sporting a 256-bit GDDR5 memory bus, AMD has outfit each GPU with 16GB of VRAM, quadrupling their VRAM capacity. AMD’s photos don’t show the bare PCB, but I believe it to be a safe bet that AMD is running 8Gb modules in clamshell mode, meaning the board is truly maxed out. AMD argued that the smaller VRAM capacity of the Fiji based card was not a major liability last year, and while there’s admittedly no reason not to fully equip a Polaris 10 card since the company is back to GDDR5, I do think it’s an important step in making the new card more flexible.

The other big change here is that the TBP has come down significantly, from 350W to 250W. Fiji was powerful, but it was also power-hungry, necessitating the original card’s closed loop liquid cooler. The Polaris Pro Duo, on the other hand, can get away with a simple blower. In fact this is the first time we’ve seen a blower-type dual GPU card from AMD in many years. And though an uncommon choice for a dual GPU card, it makes a great deal of sense given the card’s professional workstation market, as blowers are expected there, and the Radeon WX cards are already similarly equipped.

Under the hood – and particularly catering to the NAB crowd – the move to Polaris means that AMD can now support DisplayPort 1.4 and HDMI 2.0b a significant step up from DP 1.2 and HDMI 1.4b on the previous card. Besides natively supporting contemporary HDMI and HDR displays, this means that AMD can now also drive 8K monitors using a dual-cable setup. All told, the new card comes with 3x DP 1.4 ports and a single HDMI 2.0b port, and can drive all 4 ports at once.

With their new card AMD will be going after the same content creation niche as the old card, which means a mix of video production and VR. The latter in particular is still a growth market for AMD, and the card’s two GPUs means that developers can take advantage of AMD’s Affinity Multi-GPU technology with only a single card. Though to be sure, AMD is positioning and promoting this more like their Radeon WX professional cards, so like its predecessor, the new card will get AMD’s pro drivers and limited official support for the major CAD, CAM, and other engineering software packages.

Wrapping things up, the Polaris-based Radeon Pro Duo will be launching next month at $999. For the moment at least, this puts it at the head of AMD’s professional cards, at least until a WX Vega card finally shows up.

Source: AMD

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  • hardwarejunkie4life - Tuesday, April 25, 2017 - link

    AMD makes products without any consideration for application usages... how many workstations are out there that had liquid cooling (their requirement for last year's product)? Now this year they drop performance have their "photoshop pro" change the product name on the 7100 card announce it and we all debate how relevant it will be. The media needs to stop letting the AMD PR machine get a voice and start holding them to account for the status of announced products, services and relationships... Reply
  • MrSpadge - Tuesday, April 25, 2017 - link

    Yeah, instead of demanding liquid cooling from every workstation without any consideration for application usages they should just have integrated the liquid cooling into the cards cooler.. Reply
  • extide - Wednesday, April 26, 2017 - link

    They did... the last Radeon Pro Duo had a complete closed loop cooler -- it did not require a water-cooling system in the workstation already... Reply
  • Yojimbo - Tuesday, April 25, 2017 - link

    You have a point. How many of these cards will actually be available to purchase? I can think of a good reason why AMD would come out with phantom products. Its stock price is driven by speculation and impressions of future promise more than by fundamentals. The media, for their part, would be incentivized to not look too deeply into such issues since they want to maintain a good relationship with AMD in order to have access to review samples.

    Of course this is all conspiracy theory type speculation but the idea of it isn't too far-fetched. I guess if I cared all that much I could spend hours looking into the demands of professional visualization and content creation users/applications as well as what software is available with this Radeon Pro card compared with Quadro cards and Titan cards. But yeah, perhaps the price for this card is so low not because of a lack of software but because of a lack of availability for the listed price. Maybe it can only be found for a much higher price. I hadn't considered that.
    Reply
  • Samus - Wednesday, April 26, 2017 - link

    The vast majority of quadro and firegl products are OEM. The only company I know of that markets a retail quadro is PNY, and they are a reference design, reference cooler. Reply
  • Yojimbo - Wednesday, April 26, 2017 - link

    FireGL? That's going way back. But anyway, what are you saying? The list price is just for show? AMD is really selling this card to OEMs at a much higher, instead of lower, price than list? Because I'm confident that NVIDIA's margins on their Quadro line is significantly higher than on their GeForce line, and there is more overhead per card sold for support and software for their Quadro cards. So I am doubtful that NVIDIA is selling their Quadro P5000 for $1000 a pop to OEMs, even if the overhead to bring the card from the manufacturer to the customer is less. Reply

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