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Radeon RX 5500 vs Radeon RX 6600

Intro

The Radeon RX 5500 uses a 7 nm design. AMD has clocked the core frequency at 1670 MHz. The GDDR6 RAM works at a frequency of 1750 MHz on this specific card. It features 1408 SPUs as well as 88 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon RX 6600, which features core clock speeds of 1626 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 memory. It features 1792 SPUs along with 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 5500 150 Watts
Difference: 18 Watts (14%)

Memory Bandwidth

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

Texel Rate

The Radeon RX 6600 will be much (approximately 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 should be much (about 95%) better at full screen anti-aliasing than the Radeon RX 5500, and able to handle higher screen resolutions while still performing well. (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 maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability 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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