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Radeon RX 470 4GB vs Radeon RX 6600

Intro

The Radeon RX 470 4GB has a clock speed of 926 MHz and a GDDR5 memory speed of 1650 MHz. It also uses a 256-bit bus, and uses a 14 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon RX 6600, which comes with core speeds of 1626 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 memory. It features 1792 SPUs as well as 112 Texture Address Units and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB 120 Watts
Radeon RX 6600 132 Watts
Difference: 12 Watts (10%)

Memory Bandwidth

Performance-wise, the Radeon RX 6600 should in theory be a little bit better than the Radeon RX 470 4GB overall. (explain)

Radeon RX 6600 229376 MB/sec
Radeon RX 470 4GB 211200 MB/sec
Difference: 18176 (9%)

Texel Rate

The Radeon RX 6600 should be quite a bit (about 54%) better at anisotropic filtering than the Radeon RX 470 4GB. (explain)

Radeon RX 6600 182112 Mtexels/sec
Radeon RX 470 4GB 118528 Mtexels/sec
Difference: 63584 (54%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6600 is the winner, and very much so. (explain)

Radeon RX 6600 104064 Mpixels/sec
Radeon RX 470 4GB 29632 Mpixels/sec
Difference: 74432 (251%)

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 470 4GB

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 470 4GB Radeon RX 6600
Manufacturer AMD AMD
Year August 2016 October 2021
Code Name Polaris 10 Navi 23
Memory 4096 MB 8192 MB
Core Speed 926 MHz 1626 MHz
Memory Speed 6600 MHz 3500 GB/s
Power (Max TDP) 120 watts 132 watts
Bandwidth 211200 MB/sec 229376 MB/sec
Texel Rate 118528 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 29632 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 2048 1792
Texture Mapping Units 128 112
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 256-bit 128-bit
Fab Process 14 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 transferred past the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 are processed per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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

Display Prices

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Radeon RX 470 4GB

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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