The Competition

One of the issues in testing an unusual card like the R9 Nano is figuring out what to test it against. By and large most of the video cards we receive are, well, large, which is suitable for evaluating high performance cards, but presents a bit more of a problem when looking for something to compare the R9 Nano to.

Anticipating this problem, AMD offered to send us a competitive NVIDIA card as well, ASUS’s GeForce GTX 970 DirectCU Mini. As a matter of policy we typically don’t accept rival cards from a vendor in this fashion in order to avoid testing pre-arranged (and contrived) scenarios. However in this case we had already been looking into NVIDIA Mini-ITX cards for this review and had previously settled on trying to get one of the GTX 970 minis, so we opted to break from standard policy and accept the card. As a result we want to be transparent about accepting an NVIDIA card from AMD.


Left: AMD Radeon R9 Nano. Right: ASUS GeForce GTX 970 DirectCU Mini

The Test

Meanwhile after some early experimentation on how to best evaluate the R9 Nano, we have opted to break from tradition a little bit here as well and test the card in two rigs. For our published numbers and for the purposes of apples-to-apples comparisons we are using our standard AnandTech GPU Testbed, a full-tower ATX system.

However in order to also test the R9 Nano in cozier conditions more fitting of its small size, we have also run a limited selection of cards within a second testbed as a control. Unfortunately we don’t have any true Mini-ITX systems around that are suitable for testing the R9 Nano, but for the next best thing we have turned to our frame capture workstation. Based on a Silverstone Sugo SG09 microATX case, this rig is built around a Core i7-3770 and typically houses our frame capture hardware for frame time analysis. For our testing we have pulled this out and set it up with some of our video cards in order to ensure that these cards operate similarly in cramped conditions.


The AnandTech microATX Video Capture Workstation w/R9 Nano

By and large the microATX case simply confirmed our results on our regular testbed after accounting for CPU differences, satisfying that testing in our larger regular testbed wasn’t unfairly impacting any of our major cards. However we’ll revisit the microATX case for our look at power, temperature, and noise.

CPU: Intel Core i7-4960X @ 4.2GHz
Motherboard: ASRock Fatal1ty X79 Professional
Power Supply: Corsair AX1200i
Hard Disk: Samsung SSD 840 EVO (750GB)
Memory: G.Skill RipjawZ DDR3-1866 4 x 8GB (9-10-9-26)
Case: NZXT Phantom 630 Windowed Edition
Monitor: Asus PQ321
Video Cards: AMD Radeon R9 Fury X
ASUS STRIX R9 Fury
AMD Radeon R9 Nano
Club3D R9 390X 8GB royalQueen OC (Underclocked to 1050MHz)
AMD Radeon R9 290X
AMD Radeon R9 285
AMD Radeon HD 7970
NVIDIA GeForce GTX 980 Ti
NVIDIA GeForce GTX 980
ASUS GeForce GTX 970 DirectCU Mini
NVIDIA GeForce GTX 780
NVIDIA GeForce GTX 680
NVIDIA GeForce GTX 580
Video Drivers: NVIDIA Release 355.82
AMD Catalyst Cat 15.201.1102
OS: Windows 8.1 Pro
Meet The Radeon R9 Nano Battlefield 4
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  • Drumsticks - Thursday, September 10, 2015 - link

    ??? I never said I was going to buy the Nano. You just said exactly what my plan was, to buy a GPU when 16nm FF hits. I'm still chugging along with 1080p and a 7850, but I'll probably be grabbing QuadHD or 4K next year with a big GPU upgrade.

    That doesn't mean that looking at potential DX12 performance now won't give a hint of what's to come, though. AMD stands to gain a lot from dx12 from what we've seen.
  • mosu - Thursday, September 10, 2015 - link

    With a 16nm FinFet you'll get Nvidia, a 14nm FinFET will come from Glo-Foundries, so you'll get something from AMD.
  • extide - Thursday, September 10, 2015 - link

    It's NOT a lack of ROP's guys, its a lack of geometry bhardware. Check out the pixel fill rate tests, that does NOT indicate a lack of ROP's. This car beats the 980 at high res, but not low res, thats NOT a ROP issue, that's either driver overheard and/or geometry issue.
  • silverblue - Friday, September 11, 2015 - link

    I wonder if AMD has ever responded to the issue of driver overhead. If not, they should. It's a massacre at lower resolutions and detail levels at times.
  • jardows2 - Thursday, September 10, 2015 - link

    I do not see any enthusiast buying this card for their own build. Where I do see this card selling is in boutique systems sold for a combination of style and performance. In a tiny system targeted for 1440 gaming, which I think should be the focus rather than 4k, this would do great!
  • MrSpadge - Thursday, September 10, 2015 - link

    That voltage-frequency curve looks horrible! From the average clocks speeds we know the card is mostly running between 800 and 900 MHz. Yet on that plot we see no power states defined between 0.93 V and 1.04 V. Yet that's where the card would need to operate between 750 and 850 MHz. Why is AMD limiting their power efficiency by providing too few power states? Or is it simply a matter of measuring the low voltages correctly?
  • teiresias - Thursday, September 10, 2015 - link

    What were the terms Anandtech agreed to with Roy Taylor in order to secure this Nano sample? I honestly can't take any review of this product seriously unless the editorials of each site come out with statements on what their agreements with AMD were concerning review content.
  • Ryan Smith - Thursday, September 10, 2015 - link

    "What were the terms Anandtech agreed to with Roy Taylor in order to secure this Nano sample?"

    For the record I didn't need to agree to any terms. Nor have I conversed with Roy in quite some time.
  • jtrdfw - Thursday, September 10, 2015 - link

    Thats good.
  • Wreckage - Thursday, September 10, 2015 - link

    If they agreed to anything it would probably be covered under a "non disclosure agreement" so legally they would not be able to say anything. Such an agreement would come from AMD marketing, not from Roy directly. I assume there was some sort of reviewers guide they wanted people to follow. How strictly any site followed that guide or why certain sites were deemed "fair" by AMD will most likely remain speculation

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