![]() While many modern graphics cards rock bright colors, angular designs, and RGB everything that cater to the edgy so-called “gamer” aesthetic, the RX 580 Nitro+ sticks to sleek silver-and-black simplicity that looks great in our GPU testing system. Plus, the look of Sapphire’s card remains stunning. Dual-X’s dual fans and heat pipe-infused heat sink work well-as you’ll see in the temperatures section-and Sapphire has re-engineered the cooler’s design to run much quieter than before. The Sapphire RX 580 Nitro+ maintains a tweaked version of the superb Dual-X cooling system from its predecessor. Sapphire’s RX 580 needs two power connections. AMD’s also allowing board makers to build cards with both an 8-pin and a 6-pin power connectors to push things even further. The Radeon RX 580 is rated for a 185W TDP, compared to the RX 480’s 150W, so expect the cards to need an 8-pin power supply. Pretty nifty, though there’s unfortunately no bump to memory speeds or capacity.Ĭranking clocks requires cranking power, though. The Radeon RX 580’s base clock is now effectively the same as the RX 480’s boost clock. AMD’s up to the second generation of optimizations on the Polaris architecture, which let the company bump the speeds up from the RX 480’s 1,120MHz base and 1,266MHz boost clocks to 1,257MHz/1,340MHz on the Radeon RX 580. You’ll find minor bumps to peak compute speeds and memory bandwidth, but the only major tweak is the RX 580’s clock speed. There’s not much difference from the RX 480, honestly. AMDĪMD’s Radeon RX 570 and RX 580 tech specs. Both cards will be offered in both capacities. ![]() Even though the chart says the RX 570 packs 4GB of memory and the RX 580 has 8GB, that’s just AMD’s recommendation. Here’s a look at the reference specs for the Radeon RX 580 and RX 570 (which PCWorld also reviewed). ![]()
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