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Radeon RX 470 4GB vs Radeon RX 6600

Intro

The Radeon RX 470 4GB uses a 14 nm design. AMD has set the core speed at 926 MHz. The GDDR5 memory works at a frequency of 1650 MHz on this specific card. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

Compare that to the Radeon RX 6600, which features GPU clock speed of 1626 MHz, and 8192 MB of GDDR6 memory running at 1750 MHz through a 128-bit bus. It also is made up of 1792 Stream Processors, 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

Theoretically, the Radeon RX 6600 should perform a small bit faster 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 is a lot (about 54%) more effective 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

The Radeon RX 6600 should be a lot (approximately 251%) better at AA than the Radeon RX 470 4GB, and also should be capable of handling higher screen resolutions more effectively. (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: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max 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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