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Radeon RX 470 4GB vs Radeon RX 6600 XT

Intro

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

Compare all that to the Radeon RX 6600 XT, which comes with core clock speeds of 1968 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR6 memory. It features 2048 SPUs as well as 128 TAUs 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 XT 160 Watts
Difference: 40 Watts (33%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6600 XT should theoretically be quite a bit superior to the Radeon RX 470 4GB in general. (explain)

Radeon RX 6600 XT 262144 MB/sec
Radeon RX 470 4GB 211200 MB/sec
Difference: 50944 (24%)

Texel Rate

The Radeon RX 6600 XT should be quite a bit (approximately 113%) faster with regards to anisotropic filtering than the Radeon RX 470 4GB. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
Radeon RX 470 4GB 118528 Mtexels/sec
Difference: 133376 (113%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 6600 XT is the winner, by a large margin. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
Radeon RX 470 4GB 29632 Mpixels/sec
Difference: 96320 (325%)

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 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 470 4GB Radeon RX 6600 XT
Manufacturer AMD AMD
Year August 2016 August 2021
Code Name Polaris 10 Navi 23 XT
Memory 4096 MB 8192 MB
Core Speed 926 MHz 1968 MHz
Memory Speed 6600 MHz 4000 GB/s
Power (Max TDP) 120 watts 160 watts
Bandwidth 211200 MB/sec 262144 MB/sec
Texel Rate 118528 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 29632 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
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 max amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it should 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 anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units of the card by the core 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 470 4GB

Amazon.com

Check prices at:

Radeon RX 6600 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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