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Radeon RX 470 4GB vs Radeon RX 590

Intro

The Radeon RX 470 4GB makes use of a 14 nm design. AMD has set the core frequency at 926 MHz. The GDDR5 RAM is set to run at a speed of 1650 MHz on this card. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon RX 590, which uses a 12 nm design. AMD has set the core speed at 1469 MHz. The GDDR5 RAM works at a frequency of 2000 MHz on this card. It features 2304 SPUs as well as 144 TAUs and 32 ROPs.

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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

As far as performance goes, the Radeon RX 590 should in theory be a lot superior to 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 much (about 78%) faster with regards to 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 high levels of AA is important to you, then the Radeon RX 590 is the winner, and very much so. (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

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 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: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon RX 470 4GB

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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