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Radeon RX 460 2GB vs Radeon RX 590

Intro

The Radeon RX 460 2GB uses a 14 nm design. AMD has set the core frequency at 1090 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this specific card. It features 896 SPUs along with 56 Texture Address Units and 16 ROPs.

Compare that to the Radeon RX 590, which features GPU 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 comprised of 2304 Stream Processors, 144 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB 75 Watts
Radeon RX 590 175 Watts
Difference: 100 Watts (133%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 590 is 134% quicker than the Radeon RX 460 2GB in general, due to its higher bandwidth. (explain)

Radeon RX 590 262144 MB/sec
Radeon RX 460 2GB 112000 MB/sec
Difference: 150144 (134%)

Texel Rate

The Radeon RX 590 should be much (approximately 247%) more effective at texture filtering than the Radeon RX 460 2GB. (explain)

Radeon RX 590 211536 Mtexels/sec
Radeon RX 460 2GB 61040 Mtexels/sec
Difference: 150496 (247%)

Pixel Rate

If using a high screen resolution 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 460 2GB 17440 Mpixels/sec
Difference: 29568 (170%)

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 460 2GB

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 460 2GB Radeon RX 590
Manufacturer AMD AMD
Year August 2016 November 2018
Code Name Polaris 11 Polaris 30
Memory 2048 MB 8192 MB
Core Speed 1090 MHz 1469 MHz
Memory Speed 7000 MHz 8000 MHz
Power (Max TDP) 75 watts 175 watts
Bandwidth 112000 MB/sec 262144 MB/sec
Texel Rate 61040 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 17440 Mpixels/sec 47008 Mpixels/sec
Unified Shaders 896 2304
Texture Mapping Units 56 144
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 14 nm 12 nm
Transistors 3000 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 max amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at 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 chip could possibly record to its local memory per 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 - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 460 2GB

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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