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Rumour: Polaris-Based AMD Radeon RX 580 and Radeon RX 570 to Launch April 18
By Jon Sutton on March 16th, 2017 at 02:13pm - original article from game-debate

AMD’s Radeon RX 580 and Radeon RX 570 Polaris graphics card rebrands will allegedly be launching on April 18th, just a week after the AMD Ryzen 5 CPUs drop. The aim was apparently to launch both the Radeon RX 500 series and Ryzen 5 on the same date, but AMD is rumoured to have pushed the launch back a week.

Unfortunately if you already own a Radeon RX 400 series graphics card there isn’t a great deal to get excited about here. This isn’t the eagerly anticipated Radeon RX Vega chips but instead simple refreshes of the Polaris-based RX 400 graphics cards.

Both the Radeon RX 580 and the Radeon RX 570 will have modest clock speed bumps. Each is going to offer roughly 5-10% faster performance than their predecessors. Aside from this they’ll remain pretty much identical to the Radeon RX 480 and Radeon RX 470. The only other thing that may perhaps change is reduced power consumption.

The Radeon RX 580 will have a 1340MHz Boost Clock, 8GB GDDR5 memory and roughly 6.17 TFLOPS of compute performance. It's expected to launch at $199. Looking at the specs this looks extremely similar to the GPU which is expected to be used in Microsoft's Project Scorpio console.

The Radeon RX 570 meanwhile will have a 1244MHz Boost CLock, 8GB GDDR5 memory and around 5.1 TFLOPs on compute performance. The big thing here is price however. The Rx 570 could be as low as $149, for an 8GB card with some very decent performance. On the surface this looks to be AMD's new entry level king.

  Radeon RX 580 Radeon RX 480 Radeon RX 570 Radeon RX 470
GPU Polaris 10 Polaris 10 Polaris 10 Polaris 10
Cores 2304 2304 2048 2048
TMUs 144 144 128 128
ROPs 32 32 32 32
Compute Performance 6.17 TFLOPS 5.83 TFLOPS 5.10 TFLOPS 4.94 TFLOPS
Boost Clock 1340 MHZ 1266 MHz 1244 MHz 1205 MHz
Memory Up to 8GB GDDR5 Up to 8GB GDDR5 Up to 8GB GDDR5 Up to 8GB GDDR5
Memory Clock 8 GHz 8 GHz 7 GHz 6.6 GHz
Memory Interface 256-bit 256-bit 256-bit 256-bit
Bandwidth 256 GB/s 256 GB/s 224 GB/s 211 GB/s

Inevitably the RX 500 Polaris series refresh is going to be overshadowed by Radeon Vega, but are the minor clock boosts and low prices tempting you in? At $149, is the Radeon RX 470 the standout GPU here? Let us know your thoughts!amd logo