MSI RX 580 Gaming X Review vs. GTX 1060 SSC – Power, FPS, Thermals

By Published April 18, 2017 at 8:59 am
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Additional Info

  • Component: Video Card
  • Original MSRP: 245
  • Manufacturer: MSI

AMD’s got a new strategy: Don’t give anyone time to blink between product launches. The company’s been firing off round after round of products for the past month, starting with Ryzen 7, then Ryzen 5, and now Polaris Refresh. The product cannon will eventually be reloaded with Vega, but that’s not for today.

The RX 500 series officially arrives to market today, primarily carried in on the backs of the RX 580 and RX 570 Polaris 10 GPUs. From an architectural perspective, there’s nothing new – if you know Polaris and the RX 400 series, you know the RX 500 series. This is not an exciting, bombastic launch that requires delving into some unexplored arch; in fact, our original RX 480 review heavily detailed Polaris architecture, and that’s all relevant information to today’s RX 580 launch. If you’re not up to speed on Polaris, our review from last year is a good place to start (though the numbers are now out of date, the information is still accurate).

Both the RX 580 and RX 570 will be available as of this article’s publication. The RX 580 we’re reviewing should be listed here once retailer embargo lifts, with our RX 570 model posting here. Our RX 570 review goes live tomorrow. We’re spacing them out to allow for better per-card depth, having just come off of a series of 1080 Ti reviews (Xtreme, Gaming X).

 

A Partner Launch: No Reference Cooler

This is a partner launch. There is no “reference” card this time around, despite rumors proliferated by less scrupulous websites, and there will therefore exist no reference cooler. Despite promises by some sites that the RX 500 cards would include dual axial fan coolers, that’s not what reality promises. AMD’s Scott Wasson (who visited us to talk VR benchmarking and other topics) noted that the RX 500 series is focused on AMD’s board partners, and so those partners will be responsible for cooling solutions.

That cleared up, here’s a look at the new specs table:

  RX 580 RX 570
GCN Gen4 Gen4
Manf Process 14nm FinFET 14nm FinFET
Die Size 232mm^2 232mm^2
Compute Units 36 32
Stream Processors 2304 2048
Base/Boost 1257/1340MHz 1168/1244MHz
COMPUTE Peak 6.17TFLOPs 5.1TFLOPs
TMUs 144 128
Texture Fill-Rate 193GT/s 159.2GT/s
ROPs 32 32
Pixel Fill-Rate 42.9GP/s 39.8GP/s
Memory Config 8GB
4GB
GDDR5
4GB
GDDR5
Memory Bandwidth 256GB/s 224GB/s
Memory Interface 256-bit 256-bit
Board TDP 185W 150W

The difference with the 500 series is effectively a pre-overclock, with some power tuning for low-load & idle tasks. The RX 580 and 570 cards ship with a higher native clock than previous reference clocks (and higher than most previous AIB partners), with additional OC headroom afforded through new voltage budget increases. Voltage can now be incremented an additional 25mV via Wattman, providing a total of 1200mV via the utility, plus whatever offset the board partners provide. In the case of MSI, we can get up to 1.256v on the MSI RX 580 Gaming X board, allowing a higher stable OC than the RX 480 card. We’ll look at our OC stepping table a bit later.

There’s a bit of a dichotomy in power behavior with the RX 500 series: More mature process means better efficiency, aided in some ways by nondescript “fine-tuning” done by AMD. These efforts bring the RX 500 series cards down in idle power consumption and low-load power consumption (like video playback). Naturally, power draw also increases at the high-end of the scale, as the higher frequency and voltage drink more from the wall. Power draw gets worse toward the top-end of the volt-frequency curve, given usual leakiness at the high-end, but tend to be better than the 400 series at the absolute low-end of that same curve.

For prices of the RX 500 series, here’s what we’ve got so far:

ASUS

  • $189 for RX 570 STRIX OC 4GB
  • $179 for RX 570 STRIX 4GB

Gigabyte

  • $259 for RX 580 Aorus OC 8GB
  • $229 for RX 580 Aorus 8GB
  • $219 for RX 580 Gaming 8GB
  • $199 for RX 580 Aorus 4GB
  • $189 for RX 580 Gaming 4GB
  • $179 for RX 570 Aorus 4GB
  • $169 for RX 570 Gaming 4GB

MSI

  • $245 for RX 580 Gaming 8G
  • $229 for RX 580 ARMOR 8G
  • $199 for RX 580 ARMOR 4G
  • $175 for RX 570 ARMOR 4G

Sapphire

  • $275 for RX 580 Nitro+ Limited edition 8GB
  • $249 for RX 580 Nitro+ 8GB
  • $229 for RX 580 Pulse 8GB
  • $209 for RX 580 Pulse 4GB
  • $199 for RX 570 Nitro+ 4GB
  • $169 for RX 570 Pulse 4GB

TUL

  • $269 for RX 580 8GB Red Devil Golden Sample
  • $249 for RX 580 8GB Red Devil
  • $229 for RX 580 8GB Red Dragon
  • $199 for RX 580 4GB Red Dragon
  • $175 for RX 570 4GB Red Dragon

We’re working with the MSI RX 580 Gaming today, priced at $245. For our core competing product, we’ll be re-testing the EVGA GTX 1060 SSC (priced at $240-$250 – i.e. equally). Some of the charts will allow an MSI 1060 Gaming X to pop-up, but it’s primarily between the RX 580 Gaming & EVGA 1060 SSC cards. We’ve got the RX 480 Gaming X on the charts as well, since it’s worth seeing whether the 580 posts any meaningful improvement over an overclocked 480.

For what it’s worth, we’ve also got a $250 XFX GTR unit and will review that posthaste. Our RX 570 is the Aorus 4GB model, priced at $180. The new price floor for the RX *70 series seems to be ~$170, continuing AMD’s already-competitive positioning against the 1050 Ti.

Refresher on Polaris Architecture 

If Polaris is new to you – or if it’s just been a minute – here are some content pieces from the architecture’s debut:

To recap the basics, we’ll quote the first article:

amd polaris-10-block-diagram

“AMD has coupled its FinFET process with datapath organization improvements and improved data compression, both of which reduce overall power consumption. Memory alone has seen an energy reduction upwards of 40% per bit transacted, significantly lowered versus Hawaii and previous generations. This allows more room for energy provided to the cores, of course, but also reduces total consumption. Changes to boosting functions have also improved power utilization, mainly by introducing 7 DPM states (DPM1=sleep, DPM7=fully unlocked for high-end production/gaming).

“Clock gating and power gating for under-utilized circuits furthers the perf/watt argument, as does the introduction of heuristic pre-fetch routines that keep cycles occupied with instructions.

“But that's getting ahead of the architecture discussion.

“Packed into the RX 480 Polaris 10 chip is a grouping of 36 CUs, over which rests a single GCP (Graphics Command Processor), flanked by two Hardware Schedulers (HWS) and four Asynchronous Compute Engines (ACEs). Polaris 10 and Polaris 11 both operate on a single GCP and have expanded reliance upon the HWS over what was found in Gen 3 GCN. The HWS block was first introduced on Gen 3, and owners of Fury- and 390-class GPUs will be happy to know that microcode updates to firmware will enable some of the Polaris-class HWS enhancements. One of those is the introduction of QRQs, which aid in hardware power reductions when using the Oculus Rift HMD. The HWS is controlled by microcode and can be updated through drivers, beneficial as hardware and APIs mature.

[…]

“One of the RX 480's biggest changes is its doubling of L2 Cache. With more capacity in cache for data storage, texture references and color compression remain resident for longer (reducing computational workload). This improves processing efficiency and reduces bandwidth consumption where unnecessary. There's no reason to transact the same data back-and-forth if it can be stored into a local, nearby cache.

“Critically, this also has a side effect which is perhaps overlooked: Energy savings. Along with the power reduction native to smaller FinFET process nodes – moving away from planar helps tremendously – the caching system reduces power consumed by GPU memory. Delta Color Compression (DCC) and 2MB of L2 Cache work in conjunction to minimize VRAM activity, and while it is impossible for us to test something this low-level at GN, AMD tells us that power savings are upwards of 40% on memory transactions alone.”

To read the rest on Polaris architecture, check page 1 of our original review.

MSI RX 580 Tear-Down 

msi-rx-580-gx-teardown-1

msi-rx-580-gx-teardown-2

The MSI RX 580 Gaming is trivial to tear-down. It’s a couple screws in the back-side to secure a thermally functionless backplate to the card (if anything, it’s there for structural support), then four screws to release the finstack. Flipping the card over, three cables are responsible for fan and LED connections, with another two screws mounted into the backplate.

Under all this, an inscriptionless die is revealed and flanked by Samsung memory modules (K4G80325FB-HC). OnSemi M3816N power stages are used as part of the 6-phase VRM.

Before the Tests: Overclock Stepping 

Before getting into power, thermals, and gaming benchmarks, we should probably show our work for overclocking. The charts will refer to an RX 580 “OC” – the below is what we’re talking about:

Peak Clock (MHz) AVG Clock (MHz) Core Offset (MHz) MEM CLK (MHz) MEM Offset (MHz) MEM mV Power Target % Voltage mV Fan TMP Pass/Fail
1367 1344 2025 950 100 1.22 Auto 1600 72 P
1393 1393 2025 950 150 1.22 Auto 1860 72 P
1410 1410 15 2025 950 150 1.256 1150 1920 69 P
1420 1420 25 2025 950 150 1.256 1150 1920 68 P
1430 1430 35 2025 950 150 1.256 1150 1920 69 Flicker
1430 1430 35 2025 950 150 1.256 1180 1920 71 P
1440 1440 45 2025 950 150 1.256 1180 1920 71 P
1460 1460 65 2025 950 150 1.256 1180 2100 71 Flicker
1460 1460 65 2025 950 150 1.256 1200 2200 71 Flicker
1465 1465 70 2025 950 150 1.256 1200 2200 71 Driver crash
1455 1455 60 2025 950 150 1.256 1200 2200 71 P
1455 1455 60 2100 100 950 150 1.256 1200 2250 71 P
1455 1455 60 2200 200 950 150 1.256 1200 2250 71 P
1455 1455 60 2250 250 950 150 1.256 1200 2250 71 P

(Max power draw peaked at ~290W for the above).

The RX 480 Gaming X got stuck around 1365-1375MHz with its more limited 1175mV offset.

For the GTX 1060 SSC, this is what we ran with:

Peak Clock (MHz) AVG Clock (MHz) Core Offset (MHz) MEM CLK (MHz) MEM Offset (MHz) Power Target Voltage Pass/Fail
1962 1962 2003 100 1.043 P
1962 1962 2003 120 1.043 P
2050 2050 100 2003 120 1.043 P
2101 2101 150 2003 120 1.043 P
- - 175 2003 120 1.043 F - Driver crash
2152 2152 175 2003 120 1.075 Flicker
2101 2101 150 2202 400 120 1.081 P
2114 2114 150 2250 500 120 1.081 P
2114 2101 150 2305 600 120 1.081 P
2114 2101 150 2330 650 120 1.081 F - Flicker/crash
2075 2075 125 2250 500 120 1.081 P

Enough of this first page.

Continue to Page 2 for GPU test methodology.


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Last modified on April 18, 2017 at 8:59 am
Steve Burke

Steve started GamersNexus back when it was just a cool name, and now it's grown into an expansive website with an overwhelming amount of features. He recalls his first difficult decision with GN's direction: "I didn't know whether or not I wanted 'Gamers' to have a possessive apostrophe -- I mean, grammatically it should, but I didn't like it in the name. It was ugly. I also had people who were typing apostrophes into the address bar - sigh. It made sense to just leave it as 'Gamers.'"

First world problems, Steve. First world problems.

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