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Radeon RX 590 vs Radeon RX 6600

Intro

The Radeon RX 590 has a core clock frequency of 1469 MHz and a GDDR5 memory frequency of 2000 MHz. It also uses a 256-bit bus, and makes use of a 12 nm design. It is made up of 2304 SPUs, 144 TAUs, and 32 ROPs.

Compare that to the Radeon RX 6600, which uses a 7 nm design. AMD has clocked the core frequency at 1626 MHz. The GDDR6 RAM works at a speed of 1750 MHz on this specific card. It features 1792 SPUs as well as 112 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 132 Watts
Radeon RX 590 175 Watts
Difference: 43 Watts (33%)

Memory Bandwidth

As far as performance goes, the Radeon RX 590 should in theory be a small bit superior to the Radeon RX 6600 overall. (explain)

Radeon RX 590 262144 MB/sec
Radeon RX 6600 229376 MB/sec
Difference: 32768 (14%)

Texel Rate

The Radeon RX 590 should be a bit (more or less 16%) better at anisotropic filtering than the Radeon RX 6600. (explain)

Radeon RX 590 211536 Mtexels/sec
Radeon RX 6600 182112 Mtexels/sec
Difference: 29424 (16%)

Pixel Rate

The Radeon RX 6600 should be a lot (approximately 121%) more effective at anti-aliasing than the Radeon RX 590, and also capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon RX 6600 104064 Mpixels/sec
Radeon RX 590 47008 Mpixels/sec
Difference: 57056 (121%)

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 590

Amazon.com

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Radeon RX 6600

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 590 Radeon RX 6600
Manufacturer AMD AMD
Year November 2018 October 2021
Code Name Polaris 30 Navi 23
Memory 8192 MB 8192 MB
Core Speed 1469 MHz 1626 MHz
Memory Speed 8000 MHz 3500 GB/s
Power (Max TDP) 175 watts 132 watts
Bandwidth 262144 MB/sec 229376 MB/sec
Texel Rate 211536 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 47008 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 2304 1792
Texture Mapping Units 144 112
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 256-bit 128-bit
Fab Process 12 nm 7 nm
Transistors 5700 million 11060 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. If the card has 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 number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics 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 maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs 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 is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 590

Amazon.com

Check prices at:

Radeon RX 6600

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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