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AMD Radeon RX 570: specifications And price

The Radeon RX 570 and RX 580 have the same configuration of active GPU compute units as the Radeon RX 470 and RX 480, respectively. The Radeon RX 570 has lost 4 of the 36 CUs available in Polaris 20. As a result, at the same frequency, RX 580 outperforms The RX 570 is only 13% faster in shader operations and texel filling. At the same time, the Radeon RX 570 inherited the unchanged back-end of the graphics processor, which includes 32 ROPs and a 256-bit memory bus.

Since we are talking about an improved version of the flagship Polaris chip, the Radeon RX 570 has both TDP and clock speeds increased over the RX 470. If we compare the Radeon RX 470 and RX 570, on the one hand, and the RX 480 and RX 580, on the other, the difference in TDP of video cards of the past and new generations is approximately the same – 23 and 25%, respectively. But the changes in the clock speeds of the graphics processor Radeon RX 570 are confusing at first: AMD only raised the maximum frequency by 60 MHz and at the same time, the base frequency increased by 194 MHz. Apparently, the thermal package extended from 120 to 150 W will simply allow the video card to drop the GPU frequency less often.

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It is not so easy to predict how these changes will affect the speed of the accelerator. On the one hand, the increase in performance, which is completely insignificant according to the “tabular” calculations based on Boost Clock, can turn out to be much higher in energy-intensive tasks. In addition, in addition to overclocking the GPU, AMD has increased the bandwidth of the RAM bus from 6.6 to 7 Gbps per pin, which also affects the overall power consumption of the accelerator. But, on the other hand, the reference TDP values ​​are not always true for video cards of the original design. Since the reference version of the Radeon RX 470 was only released by SAPPHIRE, and the reference version of the RX 570 is not available at all, we would not be surprised if we do not find an actual difference in performance between the Radeon RX 570 at reference frequencies and the best samples of the Radeon RX 470.

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Despite the increased TDP, the Radeon RX 570 (like the RX 580) should be more economical than its predecessor, and in certain scenarios – video decoding using a dedicated hardware unit and displaying images on multiple monitors with different refresh rates – it is quite significant. In both cases, the load on the 3D pipeline of the GPU is minimal, but significant bandwidth is required from the RAM. The bus frequency typical for idle mode in Polaris 10/20 (1.2 Gbps per pin) is not enough for this, so the memory of the Radeon RX 470/480 is clocked at the maximum frequency in such tasks, which accordingly affects the power of the device. The Radeon RX 570 and RX 580, on the other hand, introduced an intermediate RAM state with a frequency of ½ of the maximum value.

ManufacturerAMD
ModelRadeon RX 470Radeon RX 480Radeon RX 570Radeon RX 580
GPU
NamePolaris 10Polaris 10Polaris 20 XLPolaris 20 XTX
MicroarchitectureGCN 1.3GCN 1.3GCN 1.3GCN 1.3
Process technology, nm14 FinFET14 FinFET14 FinFET14 FinFET
Number of transistors, million
Clock frequency, MHz: Base Clock / Boost Clock926/12061120/12661168/12441257/1340
Number of shader ALUs2048230420482304
Number of texture mapping units128144128144
ROP number32323232
RAM
Bus width, bit256256256256
Chip typeGDDR5 SDRAMGDDR5 SDRAMGDDR5 SDRAMGDDR5 SDRAM
Clock frequency, MHz (bandwidth per contact, Mbps)1650 (6600)2000 (8000)1750 (7000)2000 (8000)
Volume, MB40964096/819240964096/8192
I / O busPCI Express 3.0 x16PCI Express 3.0 x16PCI Express 3.0 x16PCI Express 3.0 x16
Performance
Peak performance FP32, GFLOPS (based on maximum specified frequency)4940580050596175
FP32 / FP64 performance1/161/161/161/16
RAM bandwidth, GB / s211224224256
Image output
Image output interfacesDL DVI, HDMI 2.0b, DisplayPort 1.3 / 1.4DL DVI, HDMI 2.0b, DisplayPort 1.3 / 1.4DL DVI, HDMI 2.0b, DisplayPort 1.3 / 1.4DL DVI, HDMI 2.0b, DisplayPort 1.3 / 1.4
TDP, W120150150185
Recommended retail price (USA, excluding tax), $169 (after declining in fall 2016)199/229 (at the time of release)169199/229
Recommended retail price (Russia), rub.ND16 310/18 970 (at the time of release)1129913 449/15 299

The recommended retail price of the Radeon RX 570 is set at $ 169 for the version with standard 4 GB of RAM (video cards with 8 GB of RAM are also on sale). And yet, at the moment, it is difficult to buy a new product for less than $ 199, and that is how much the most affordable versions of the GeForce GTX 1060 3 GB cost. For the sake of fairness, we note that there is not an abundance of offers based on the RX 570 yet and these are mostly difficult cards with powerful cooling systems and factory overclocking, while the GTX 1060 is available in modifications for every taste. This means that the price situation over time, as the supply of graphics processors and ready-made video cards increases, may still change in favor of the Radeon RX 570.


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