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Sunday | September 19, 2021
Asus Strix Radeon RX 580 OC

Asus Strix Radeon RX 580 OC

As the seasons change, so do graphics cards. And building on the back of last year’s solid successes, AMD has upgraded its own. New RX 500 series cards feature the updated ‘Polaris 20’ architecture. The card we have here, the ROG Strix Radeon RX 580 OC, packs a Vega GPU, and features Polaris 20 XTX. It also carries 8GB of GDDR5, and a deadly looking design.


  • Cores: 2,304
  • Clock: 1,360 MHz (Gaming Mode) / 1,380 MHz (OC Mode).
  • Memory: 8GB GDDR5
  • Memory Bus: 256-bit
  • Outputs: 2x HDMI 2.0, 2x Display Port, 1x DVI-D.
  • 29.8 x 13.4 x 5.25cm

On top of this new speed and extra grunt, Asus has done some tweaking of its own. The Strix Radeon RX 580 OC’s clock speeds start at 1,360MHz (in what Asus calls Gaming Mode), and can be pushed to 1,380MHz in its OC Mode profile. Those speeds are 20MHz more each than Asus non-overclocked RX 580, and for the privilege you’ll pay a premium of around £10.

The clocks can go higher still: Asus offers a ‘TOP’ RX 580 model, offering a 1,411 MHz base clock. However, that comes in at over £300, and seems somewhat less tempting when the Strix Radeon RX 580 OC seems a decent balance of price and performance.


Asus has kept the approach used to complement its RX 480 cards – opting for a triple-fan design for the beefiest of Radeon GPUs. The fans are patented Wing-Blade and IP5X-certified. The certification is one step away from ‘dust tight’, and identifies this card as a champion in the fight against dust working its way inside the card. Other than being effective the fans look great, and so does the card in general.

Well done Asus in actual fact, because this looks every bit a premium graphics solution. We can tell that external elements of the card have undergone serious design work. And the result is a product with a strong look, sturdy build, and feels worthy of a place in most gaming rigs.

It’s not just the aesthetics we’re keen on. Sandwiched between the Aura Sync back-plate and those triple Wing-Blades is some serious thermal control. At 2.5 slot width, the Strix Radeon RX 580 OC has room for more extra cooling. Asus says there’s 40% more than might be expected, and claims that – in tandem with its MaxContact technology, offering twice the direct GPU contact of other coolers – we can remain relaxed on the threat of heat. Just in case, and because why not, this card has two 4-pin hybrid fan headers integrated into it. These headers are for Asus Fan Connect II, with which system fan-speed is synchronised to the temperature of the GPU. Very nice.

Cool this card may be, but with a large amount of copper and airflow encouragement it’s rather thick and also quite long. It’s not the largest we’ve seen, but at 29.8cm in length it is a bit on the big side. So it’s worth ensuring there’s adequate space before committing to a purchase.

Test System

  • Supermicro C7Z270-CG
  • Intel Core i7-7700K
  • Samsung 850 Pro SSD
  • 16GB Crucial Ballistix Tactical DDR4-3000
  • Noctua NH-U12S
  • Corsair AX1500i
  • Windows 10 Professional
  • Radeon driver 17.5.1

We tested in all benchmarks using the card’s Gaming Mode profile. The only tweak to the system was the application of the memory’s XMP memory profile.


The Strix Radeon RX 580 OC is a capable card, that much is certain. It’s not one we can expect the world from, and that was made clear in our benchmarks. Delivering a decent 5,888 in 3D Mark’s Fire Strike Extreme, it dropped to 3,122 in the Ultra test used to test for 4K capability. It’s scores in both point towards excellent 1080p gaming, and 4K capability…if not affinity.

This bore out in gaming tests. We threw Ultra 1080p settings at the card, and saw the Strix Radeon RX 580 OC handle them without issue. The best result came in Battlefield 1, at 66fps minimum, with an impressive average of 95fps. It fared less well elsewhere, although averages of 53fps (Witcher 3) and 57fps (Fallout) 4 reflect really smooth, enjoyable performance.

Such speeds mean high-end 1080p gameplay isn’t an issue, but it also speaks to a card happy at that level. To push this card a little bit harder harder, we fired up Ashes of the Singularity’s DX12 GPU-focused benchmark. We then proceeded to run the card through High and Crazy settings, removing MSAA.

In the High benchmark the Strix Radeon RX 580 OC achieved a good average of 71fps. However, in Crazy it dropped to 36.5fps. That shows the card can handle such demands, but it’s not a level it’s best-suited for. Ultra 1080p gaming is where this card excels. 4K? Yes, but we’d prepare to lower settings to make things as enjoyable as possible. Anyone demanding 4K mastery need look towards a GTX 1070 or higher.

In regards to GPU temperature there’s absolutely no danger here. With all the cooling protection mentioned earlier, this card idled at a low 22°C, peaking at 57°C, and we just couldn’t reasonably budge it any higher. The card also drew approximately 157W under load (system 269W).

Strix Radeon RX 580 OC – Conclusion

This card is proof that AMD continues to deliver value throughout its range, and a clear sign that the RX 500 series is an appreciable step forward. Delivering excellent 1080p gaming and the option of 4K, this card offers even more performance, increasing the range of sub-£300 solutions.

For its part, Asus has tweaked the specs to add even more power. It’s delivered a card which looks great and performs and cools admirably. With all said and done, RX 580 cards are a really compelling option for anyone not willing to pay beyond a budget. And if you’re seeking this level of performance with a little something extra, the Strix Radeon RX 580 OC is clearly a very good choice.

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About Author

Kevin Pocock

Kevin is a tech-lover with over a decade's experience testing, reviewing and writing about all kinds of kit.

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