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Radeon RX 5500 vs Radeon RX 6600

Intro

The Radeon RX 5500 makes use of a 7 nm design. AMD has clocked the core frequency at 1670 MHz. The GDDR6 RAM works at a speed of 1750 MHz on this model. It features 1408 SPUs along with 88 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 6600, which features a core clock speed of 1626 MHz and a GDDR6 memory frequency of 1750 MHz. It also features a 128-bit memory bus, and makes use of a 7 nm design. It is comprised of 1792 SPUs, 112 TAUs, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 132 Watts
Radeon RX 5500 150 Watts
Difference: 18 Watts (14%)

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

The Radeon RX 6600 will be a lot (more or less 24%) better at anisotropic filtering than the Radeon RX 5500. (explain)

Radeon RX 6600 182112 Mtexels/sec
Radeon RX 5500 146960 Mtexels/sec
Difference: 35152 (24%)

Pixel Rate

The Radeon RX 6600 is quite a bit (approximately 95%) faster with regards to AA than the Radeon RX 5500, and also should be able to handle higher screen resolutions better. (explain)

Radeon RX 6600 104064 Mpixels/sec
Radeon RX 5500 53440 Mpixels/sec
Difference: 50624 (95%)

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 5500

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 5500 Radeon RX 6600
Manufacturer AMD AMD
Year October 2019 October 2021
Code Name Navi 14 XT Navi 23
Memory 4096 MB 8192 MB
Core Speed 1670 MHz 1626 MHz
Memory Speed 1750 GB/s 1750 GB/s
Power (Max TDP) 150 watts 132 watts
Bandwidth 229376 MB/sec 229376 MB/sec
Texel Rate 146960 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 53440 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 1408 1792
Texture Mapping Units 88 112
Render Output Units 32 64
Bus Type GDDR6 GDDR6
Bus Width 128-bit 128-bit
Fab Process 7 nm 7 nm
Transistors 6400 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: Memory bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 5500

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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