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Radeon RX 590 vs Radeon RX 6650 XT

Intro

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

Compare those specifications to the Radeon RX 6650 XT, which features core speeds of 2055 MHz on the GPU, and 2190 MHz on the 8192 MB of GDDR6 RAM. It features 2048 SPUs along with 128 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 590 175 Watts
Radeon RX 6650 XT 176 Watts
Difference: 1 Watts (1%)

Memory Bandwidth

In theory, the Radeon RX 6650 XT should be 10% faster than the Radeon RX 590 in general, because of its higher data rate. (explain)

Radeon RX 6650 XT 287072 MB/sec
Radeon RX 590 262144 MB/sec
Difference: 24928 (10%)

Texel Rate

The Radeon RX 6650 XT will be a lot (approximately 24%) better at anisotropic filtering than the Radeon RX 590. (explain)

Radeon RX 6650 XT 263040 Mtexels/sec
Radeon RX 590 211536 Mtexels/sec
Difference: 51504 (24%)

Pixel Rate

The Radeon RX 6650 XT should be much (approximately 180%) better at AA than the Radeon RX 590, and also capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 6650 XT 131520 Mpixels/sec
Radeon RX 590 47008 Mpixels/sec
Difference: 84512 (180%)

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 6650 XT

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 6650 XT
Manufacturer AMD AMD
Year November 2018 May 2022
Code Name Polaris 30 Navi 23
Memory 8192 MB 8192 MB
Core Speed 1469 MHz 2055 MHz
Memory Speed 8000 MHz 4380 GB/s
Power (Max TDP) 175 watts 176 watts
Bandwidth 262144 MB/sec 287072 MB/sec
Texel Rate 211536 Mtexels/sec 263040 Mtexels/sec
Pixel Rate 47008 Mpixels/sec 131520 Mpixels/sec
Unified Shaders 2304 2048
Texture Mapping Units 144 128
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 information (counted in MB per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory 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 6650 XT

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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