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Radeon RX 470 4GB vs Radeon RX 590

Intro

The Radeon RX 470 4GB has core speeds of 926 MHz on the GPU, and 1650 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

Compare that to the Radeon RX 590, which comes with a GPU core clock speed of 1469 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also is made up of 2304 Stream Processors, 144 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB 120 Watts
Radeon RX 590 175 Watts
Difference: 55 Watts (46%)

Memory Bandwidth

Theoretically, the Radeon RX 590 should perform quite a bit faster than the Radeon RX 470 4GB overall. (explain)

Radeon RX 590 262144 MB/sec
Radeon RX 470 4GB 211200 MB/sec
Difference: 50944 (24%)

Texel Rate

The Radeon RX 590 should be quite a bit (more or less 78%) more effective at texture filtering than the Radeon RX 470 4GB. (explain)

Radeon RX 590 211536 Mtexels/sec
Radeon RX 470 4GB 118528 Mtexels/sec
Difference: 93008 (78%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 590 is the winner, by a large margin. (explain)

Radeon RX 590 47008 Mpixels/sec
Radeon RX 470 4GB 29632 Mpixels/sec
Difference: 17376 (59%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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Radeon RX 470 4GB

Amazon.com

Radeon RX 590

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon RX 470 4GB Radeon RX 590
Manufacturer AMD AMD
Year August 2016 November 2018
Code Name Polaris 10 Polaris 30
Memory 4096 MB 8192 MB
Core Speed 926 MHz 1469 MHz
Memory Speed 6600 MHz 8000 MHz
Power (Max TDP) 120 watts 175 watts
Bandwidth 211200 MB/sec 262144 MB/sec
Texel Rate 118528 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 29632 Mpixels/sec 47008 Mpixels/sec
Unified Shaders 2048 2304
Texture Mapping Units 128 144
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 14 nm 12 nm
Transistors 5700 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 470 4GB

Amazon.com

Radeon RX 590

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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