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Radeon RX 5600 XT vs Radeon RX 6650 XT

Intro

The Radeon RX 5600 XT has a GPU clock speed of 1375 MHz, and the 6144 MB of GDDR6 RAM runs at 1500 MHz through a 192-bit bus. It also features 2304 Stream Processors, 144 TAUs, and 64 ROPs.

Compare those specifications to the Radeon RX 6650 XT, which features a core clock speed of 2055 MHz and a GDDR6 memory speed of 2190 MHz. It also makes use of a 128-bit memory bus, and makes use of a 7 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT 160 Watts
Radeon RX 6650 XT 176 Watts
Difference: 16 Watts (10%)

Memory Bandwidth

As far as performance goes, the Radeon RX 5600 XT should in theory be a small bit superior to the Radeon RX 6650 XT in general. (explain)

Radeon RX 5600 XT 344064 MB/sec
Radeon RX 6650 XT 287072 MB/sec
Difference: 56992 (20%)

Texel Rate

The Radeon RX 6650 XT should be a lot (about 33%) more effective at anisotropic filtering than the Radeon RX 5600 XT. (explain)

Radeon RX 6650 XT 263040 Mtexels/sec
Radeon RX 5600 XT 198000 Mtexels/sec
Difference: 65040 (33%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 6650 XT is the winner, by a large margin. (explain)

Radeon RX 6650 XT 131520 Mpixels/sec
Radeon RX 5600 XT 88000 Mpixels/sec
Difference: 43520 (49%)

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 5600 XT

Amazon.com

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Radeon RX 6650 XT

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 5600 XT Radeon RX 6650 XT
Manufacturer AMD AMD
Year January 2020 May 2022
Code Name Navi 10 XLE Navi 23
Memory 6144 MB 8192 MB
Core Speed 1375 MHz 2055 MHz
Memory Speed 1500 GB/s 2190 GB/s
Power (Max TDP) 160 watts 176 watts
Bandwidth 344064 MB/sec 287072 MB/sec
Texel Rate 198000 Mtexels/sec 263040 Mtexels/sec
Pixel Rate 88000 Mpixels/sec 131520 Mpixels/sec
Unified Shaders 2304 2048
Texture Mapping Units 144 128
Render Output Units 64 64
Bus Type GDDR6 GDDR6
Bus Width 192-bit 128-bit
Fab Process 7 nm 7 nm
Transistors 10300 million 11060 million
Bus PCIe 4.0 ×16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 get to the maximum fill rate.

Display Prices

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Radeon RX 5600 XT

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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