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Radeon RX 470 vs Radeon RX 590

Intro

The Radeon RX 470 has a clock frequency of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also makes use of a 256-bit bus, and makes use of a 14 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon RX 590, which has core speeds of 1469 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 RAM. It features 2304 SPUs as well as 144 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically speaking, the Radeon RX 590 is 24% faster than the Radeon RX 470 overall, because of its greater bandwidth. (explain)

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

Texel Rate

The Radeon RX 590 will be a lot (about 78%) better at AF than the Radeon RX 470. (explain)

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

Pixel Rate

The Radeon RX 590 is a lot (more or less 59%) better at AA than the Radeon RX 470, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon RX 590 47008 Mpixels/sec
Radeon RX 470 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

Amazon.com

Check prices at:

Radeon RX 590

Amazon.com

Check prices at:

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 Radeon RX 590
Manufacturer AMD AMD
Year August 2016 November 2018
Code Name Polaris 10 Polaris 30
Memory 8192 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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon RX 470

Amazon.com

Check prices at:

Radeon RX 590

Amazon.com

Check prices at:

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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