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Radeon RX 470 4GB vs Radeon RX 590

Intro

The Radeon RX 470 4GB has a core clock frequency of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also features a 256-bit bus, and makes use of a 14 nm design. It features 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the Radeon RX 590, which comes with a GPU core clock speed of 1469 MHz, and 8192 MB of GDDR5 RAM running at 2000 MHz through a 256-bit bus. It also features 2304 Stream Processors, 144 Texture Address Units, and 32 Raster Operation Units.

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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 speaking, the Radeon RX 590 will be 24% quicker than the Radeon RX 470 4GB in general, because of its higher data rate. (explain)

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

Texel Rate

The Radeon RX 590 will be quite a bit (approximately 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

The Radeon RX 590 should be a lot (approximately 59%) faster with regards to AA than the Radeon RX 470 4GB, and capable of handling higher screen resolutions better. (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

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Radeon RX 590

Amazon.com

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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 moved across the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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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.

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