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Asus Strix RX 570 OC Review

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Asus Strix RX 570 OC

Asus’ updated model sports a boost frequency of 1300 MHz and a memory clock rate of 1750 MHz. Both specifications represent minor steps up from the RX 470’s 1270 MHz core and 1650 MHz GDDR5.

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Unfortunately, the Strix RX 470 OC wasn’t able to consistently maintain those frequencies due to its modest cooling solution and board layout. What we’re looking to answer today is whether the RX 570-based version changes anything. Naturally, we start by taking Asus’ card completely apart to examine it.

Specifications

The Strix RX 570 OC looks fairly mundane and feels as mainstream as its price would indicate. A black plastic shroud covers the heat sink underneath, though metal fins are still visible through the fan’s many blades. For less than $200, we expect practicality to become a bigger consideration than gaudy extras, so this is expected.

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Asus’ card weighs in at just 658g. From the outer edge of its slot bracket to the end of the cooler, the Strix RX 570 OC measures 24.2cm. Its height, from the motherboard slot’s top edge to the protruding shroud, is 12.2cm. A depth of 3.5cm makes this a smaller dual-slot card. However, roughly 0.2cm of that measurement is attributable to a stabilization frame, which could affect compatibility with large CPU coolers or mini-ITX-based form factors.

Looking down from the top, we see the exposed heat sink, an illuminated ROG logo, and the eight-pin power connector.

The bottom reveals two 6mm heat pipes made of nickel-plated composite material, along with more of the heat sink.

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The cooler’s fins are arranged horizontally. Both ends of the card are left at least somewhat open to encourage air to pass through. Neither side allows for unobstructed flow, though, particularly since the slot bracket sports not just one, but two DVI-D connectors. A single DVI output would have probably been enough to accommodate gamers with older monitors, and we would have preferred more exhaust to the second DVI port. Asus also exposes one HDMI 2.0 and one DisplayPort 1.4-ready connector.

Voltage Supply & Board Layout

Asus’ Strix RX 570 OC employs the company’s own multi-layer PCB, and it’s quite a bit different from the Strix RX 470 OC. To begin, the voltage supply moved to the board’s right side, which makes sense when we consider the hot-spots those components create.

International Rectifier’s ASP1300 PWM controller is labeled Digi+ for Asus. We might not have this particular component’s specifications, but we can clearly see that there aren’t six phases driving the GPU, but rather three.

Those three IR3598s are dual-drivers that can be interleaved to drive two pairs of MOSFETs. This is known as phase doubling, even though just one PWM signal is being split, and the idea is to create a high phase count voltage regulator while saving space and, ultimately, cost.

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There’s one M3054 N-channel MOSFET for the high side and two M3056 N-channel MOSFETs for the low side, all of which come from UBIQ. The corresponding capped ferrite coils are labeled SAP II (Super Alloy Power), and they should help reduce coil whine across this card’s temperature range.

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The memory’s voltage supply is realized through uPI Semiconductor’s uP1540, a buck converter with synchronous rectification. This component also contains a bootstrap diode and the MOSFETs’ gate driver. It’s not listed on uPI’s website because it’s an OEM-only product, though.

The MOSFETs are the same as what we found for the GPU’s VR, though Asus looks to balance their load by powering memory through the motherboard slot.

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The Strix RX 570 OC’s memory modules are supplied by Elpida (now Micron). Eight W4032BABG-70-F modules offer 4Gb density (16x 256Mb) with a maximum rated clock rate of 1750 MHz. These particular memory modules don’t have a lot of overclocking headroom, especially since they aren’t actively cooled. In the past, they didn’t deal well with temperatures beyond their rated specifications.

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Asus likes its undocumented OEM parts; the ITE8915 is a controller and monitoring chip with little available information for us to dig into.

Cooling Solution

In spite of its large fans, the thermal solution seems small. The fans themselves have a diameter of 95mm, are made up of 13 blades, and run at a maximum speed of 2500 RPM. They’re designed to deliver static and direct air pressure. They don’t just serve the cooler’s main body, but also have to provide airflow to the components underneath.

The fans’ primary target on the board is the VRM’s heat sink, a small black strip of extruded aluminum. It’s separated from the MOSFETs by a thermal pad and held in place by screws.

There’s no backplate to help with cooling, and the memory modules sitting on top of the PCB make do with air blowing over them as well.

The cooler weighs in at 340g. It sports two 6mm heat pipes made of nickel-plated composite material that’s flattened and pressed into the aluminum sink. This design is supposed to provide direct contact with the GPU. But marketing aside, it’s primarily a cost-cutting measure.

Our measurements on an open bench table and in a closed case will show if Asus’ smaller cooler can handle the waste heat generated by Ellesmere and the components surrounding it.

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Asus ROG Strix Radeon RX 570 4GB: Price Comparison

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Asus Strix Radeon RX 570 OC 4GB Review

Who says PC gaming is expensive? AMD’s RX 570 can handle 1080p for less than $200

Brad Bourque

April 18, 2017

DT Recommended Product

“AMD’s RX 570 is a sub-$200 video card even a hardcore gamer can love. ”

Pros

Strong 1080p performance
Compact design
Sub-$200 price point
Strong warranty on Asus Strix model

Cons

Higher power drawn than Nvidia peers
Dual-DVI on Asus model feels outdated

AMD’s Radeon RX 480 made a big splash when it landed last year, and for good reason. At just $200, the card pumped out a reliable 60 frame per second at 1080p, and even reached that in some titles at 1440p. The RX 470, which was just $20 cheaper, didn’t produce quite the same value.

Now, AMD has introduced the RX 500 series, and it is trying to make the RX 570 more relevant than its predecessor. While the Asus Strix RX 570 with 4GB of memory which received for review retails at $190, the base MSRP for the basic RX 570 is only $170. Yet AMD says the card can defeat both the RX 480 and, more importantly, Nvidia’s GTX 1060.

Does the red team’s new budget-friendly GPU conquer its predecessors, or leave users hungry for more power?

Strix makes a difference

AMD previous Radeon RX series GPUs blew us away with their price per performance, but the RX 470 didn’t distance itself enough from the RX 480. With a slim price difference between the cards, the noticeable performance boost by moving to the higher-end card was too good to pass up.

On paper, the RX 570 does look strikingly familiar to the RX 470. AMD has bumped the base clock from 926MHz to 1,168MHz, and the boost clock from 1,206MHz to 1,244MHz, but left the card with the same 2,048 stream processors and 32 compute units. Our Asus Strix unit had a moderate overclock that pumps the maximum boost clock up to 1,278MHz. The thermal design power was up to 150 Watts from 120 Watts, at least on the reference design, but board partners may raise or lower that as needed.

While connectivity can vary across different models as well, our Asus Strix offered what might be considered a typical selection. It had an HDMI 2.0 port, DisplayPort, and a pair of DVI inputs. Currently, it would be nice to see two of the former, and only one of the latter, but it’s hard to nitpick too much over that. Asus also bumped the boost clock to 1,300MHz, and the memory clock to 1,750MHz up from 1,650MHz. A modest overclock on both counts, but enough to warrant the price bump.

All said and done, the Asus’ Strix offering offers some solid improvements on the reference design for just $20. It has RGBLED lighting, a four-pin fan header, overclocking, and a long warranty, which should draw the eyes of users looking for a premium SKU on the RX 570.

In the lab

Before we cracked into gaming tests, we ran the Asus Strix RX 570 through a set of synthetic 3DMark benchmarks. The tests stressed the GPU to its maximum potential, and gave us a very clean data set to compare.

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Importantly, the RX 570 beat out the previous generation RX 480 in every one of the 3DMark tests. That’s no small feat, but it does make sense, considering the RX 570’s bump up to a 150-watt Thermal Design Power, the same as the RX 480 last year.

The RX 570 just barely fell short of the GTX 1060, although it’s worth noting our review unit was a $240 Zotac Amp! edition with 6GB of memory and a modest overclock. GeForce GTX 1060 models closer to reference will likely trade blows with the RX 570, which is good news indeed for Radeon. Nvidia may be forced to respond with a price drop.

On the open road

3DMark is just part of the story, however. Our game test suite tells the rest of the story. It includes four games – Battlefield 1, For Honor, Deus Ex: Mankind Divided, and Civilization VI. The first two were tested in DirectX 11, while the latter two were tested in DirectX 12.

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There’s more good news for Radeon here. The RX 570 managed to pump out at least a pleasing 60 frame per second in every test except for Deus Ex: Mankind Divided, which did not surprise us, because it’s by far the most demanding game in our test suite. That game pushes even high-end cards to their limits, and a score of 47 FPS at 1080p and the ultra-quality preset is a very strong score for a $190 video card.

However, the card did behind the RX 480, although just barely. It won by a few frames per second in Battlefield 1, but at over 100 average FPS, it’s unlikely anyone will notice. All the cards we tested, including the Nvidia GeForce GTX 1060, fall very close to each other in terms of raw frame rate, which makes it tough to recommend any one of these cards over the other, except when it comes to price. The RX 570 has a strong lead there, making it the value champion.

Warranty information

Asus covers the Strix RX 570 for a full three years after purchase. That’s a strong warranty for a GPU, particularly a mid-range model, and it’s the standard for the Asus ROG Strix series cards. It doesn’t cover damage from overclocking or maintenance by hand, so think twice before you swap out the cooler.

Our Take

The RX 570 rivals both the AMD Radeon RX 480 and the Nvidia GeForce GTX 1060 in performance. There’s no reason to reach for the RX 400 series cards now, unless there’s an insane deal on one. At $190, our Asus Strix review unit falls very close to the RX 580’s $200 starting price point, which could hurt the RX 570’s value proposition. We’ll make sure to update this review once we have a proper RX 580 review unit.

Is there a better alternative?

With a bump to its clock speed, the Asus Strix RX 570 competes directly with Nvidia’s GeForce GTX 1060, although the Zotac Amp! version we tested still edged out a victory. The GTX 1060 will use less power, but we’re not sure that matters for most gaming rigs. The AMD Radeon RX 580, which starts at $200, is also a good option, though upgrading to it from the RX 570 is not necessary to enjoy modern games at 1080p and 60 frames per second.

How long will it last?

While it would be easy to say the performance alone is enough to last you a few years, it’s worth noting here that the RX 570 is a second-generation Polaris chip, and as such, doesn’t have any new features to boast about. A three-year warranty certainly sweetens the pot, if you choose Asus’ Strix card. It produces solid 1080p gaming performance, which is enough for most users now, but that may change with time. Anyone who want the latest feature set will have to wait for AMD’s upcoming Vega architecture, which has no release date.

Should you buy it?

Yes. The RX 570 improves on the RX 480’s performance at a lower price point, and that is enough to recommend it. It breaks 60 FPS in almost every game we threw at it, at least at 1080p, something other cards under $200 struggle to do. It may use a bit more power, but the RX 570 continues AMD’s high-pressure pace in the mid-range category, in a way that should have the green team shaking in its boots.

Editors’ Recommendations

The idea for AMD’s next-gen GPUs all started on a napkin
AMD finally shares new RX 7900 XTX benchmarks, and it’s not all good news
The dream isn’t over — AMD’s RX 7900 XTX may still hit 3GHz
AMD just subtly dunks on Nvidia’s melting RTX 4090 power adapters
AMD RX 7900 XTX vs. Nvidia RTX 4090: the ultimate flagship GPU battle

ASUS ROG STRIX Radeon RX 570 Gaming OC video card review GreenTech_Reviews

ASUS ROG STRIX Radeon RX 570 Gaming OC

video card review and testing

Today we’ll look at another new product from AMD by ASUS — the Radeon RX 570 in the ROG STRIX Gaming OC modification. It has a proprietary cooling system, RGB LED backlighting, as well as factory overclocking. But that’s not all — we’ll talk about other features of this model as we study the video card in this review! In addition, we will also take a look at the video card through a thermal imager.

The video card comes in a box with an updated design compared to the RX 470 STRIX. On the front side there are many company logos, the product name, as well as the image of the video card.

On the back of the box, the manufacturer highlights the main features of the video card.
These include:
— use of new fans with improved aerodynamics and IP5X protection;
— AURA RGB LED;
— the ability to connect one case fan directly to the video card;
— technology to completely stop the fans until the temperature of the GPU exceeds 55 degrees.

Package includes:
Quick Start Guide;
— CD with drivers and software;
— two cable ties for power cables;
— stickers that can optionally be placed on the plastic casing of the cooling system.

The video card itself is noticeably smaller than its older model (RX 580 STRIX). It is somewhat shorter, and the cooling system involves only two fans.

There is also no backplate, which will allow us to examine the video card in more detail through a thermal imager.

The graphics card requires an additional power supply in the form of an 8-pin cable.

For connection of image visualization devices are available:
— two DVI-D;
— one HDMI 2.0;
— one Display Port.

The cooling system is a medium-sized radiator through which two copper heat pipes pass.

Both tubes are in direct contact with the GPU itself.

Video card without cooling system.

An additional heatsink is present on the GPU power subsystem mosfets.

It comes into contact with the bridges through a soft thermal pad.

If your motherboard doesn’t have space for connecting additional fans, then ASUS offers its own solution to this problem — connecting one additional fan directly to the video card.

The GPU power subsystem has 6 phases.

Digi+ ASP1300 digital controller is responsible for voltage control.

Two more power phases are allocated for video memory.

The memory chips themselves are labeled Elpida W4032BABG-70-F

In all new reviews we will use a thermal imager, where it will be interesting to view the device under test with its help. It clearly demonstrates the heating of the video card. All photos were taken at 100% load on the video card.

First, just look at the photo of the booth:

Automatic fan control, general view.

Back side of PCB where memory chips are located:

And in the area of the power subsystem:

Now set the maximum fan speed.

Back side memory chips:

And power subsystem:

In fairness, it should be noted that similar video cards from other manufacturers have a much worse situation:

Overclocking and thermal conditions

Information from the GPU-Z utility. Core frequency — 1360 MHz, memory — 1750 (7000) MHz.
In idle, the temperature of the GPU is kept at around 38 degrees.

Test nominal:

And in overclocking — 1375 MHz for the core and 2000 (8000) MHz for memory:

If we entrust the control of the cooling system to automation, then we will get about 71 degrees at fan speeds up to 1700-1800 rpm. This is a fairly quiet mode of operation.

If you manually set the maximum speed of the fans, which will be about 2500 rpm, then the noise level will become noticeable, but the temperature will drop to about 63 degrees. The noise will be clearly noticeable, but not critical, if the PC is assembled in a good case, which is located, for example, under the table.

Testing in games
Now let’s test the video card in games.

Advantages and disadvantages
Advantages:
– high-quality component base;
— efficient and quiet cooling system with passive mode of operation;
— good overclocking potential;
— the ability to connect one additional 4-pin fan;

Disadvantages:
— the video memory heats up quite strongly under load, but the situation with competitors is much worse.
Conclusion
The ASUS ROG STRIX Radeon RX 570 graphics card offers the user high performance backed up by a high-quality component base and an efficient cooling system. The video card has a fairly compact size and stylish appearance, underlined by a glowing logo, the color of which can be customized to your liking. If you choose an AMD 570 series graphics card, then ASUS ROG STRIX Radeon RX 570 Gaming OC can be safely recommended for purchase!