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Radeon RX 590 vs Radeon RX 6800

Intro

The Radeon RX 590 comes with a GPU core speed of 1469 MHz, and the 8192 MB of GDDR5 RAM runs at 2000 MHz through a 256-bit bus. It also is comprised of 2304 Stream Processors, 144 TAUs, and 32 ROPs.

Compare those specs to the Radeon RX 6800, which makes use of a 7 nm design. AMD has set the core speed at 1700 MHz. The GDDR6 memory works at a frequency of 2000 MHz on this specific card. It features 3840 SPUs along with 240 Texture Address Units and 96 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 590 175 Watts
Radeon RX 6800 250 Watts
Difference: 75 Watts (43%)

Memory Bandwidth

The Radeon RX 6800 should in theory perform quite a bit faster than the Radeon RX 590 overall. (explain)

Radeon RX 6800 524288 MB/sec
Radeon RX 590 262144 MB/sec
Difference: 262144 (100%)

Texel Rate

The Radeon RX 6800 will be a lot (about 93%) faster with regards to anisotropic filtering than the Radeon RX 590. (explain)

Radeon RX 6800 408000 Mtexels/sec
Radeon RX 590 211536 Mtexels/sec
Difference: 196464 (93%)

Pixel Rate

The Radeon RX 6800 should be much (approximately 247%) more effective at FSAA than the Radeon RX 590, and capable of handling higher screen resolutions more effectively. (explain)

Radeon RX 6800 163200 Mpixels/sec
Radeon RX 590 47008 Mpixels/sec
Difference: 116192 (247%)

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

Check prices at:

Radeon RX 6800

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 590 Radeon RX 6800
Manufacturer AMD AMD
Year November 2018 November 2020
Code Name Polaris 30 Navi 21
Memory 8192 MB 16384 MB
Core Speed 1469 MHz 1700 MHz
Memory Speed 8000 MHz 4000 GB/s
Power (Max TDP) 175 watts 250 watts
Bandwidth 262144 MB/sec 524288 MB/sec
Texel Rate 211536 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 47008 Mpixels/sec 163200 Mpixels/sec
Unified Shaders 2304 3840
Texture Mapping Units 144 240
Render Output Units 32 96
Bus Type GDDR5 GDDR6
Bus Width 256-bit 256-bit
Fab Process 12 nm 7 nm
Transistors 5700 million 26800 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 information (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 590

Amazon.com

Check prices at:

Radeon RX 6800

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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