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Radeon RX 470 vs Radeon RX 6600 XT

Intro

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

Compare that to the Radeon RX 6600 XT, which features a core clock speed of 1968 MHz and a GDDR6 memory speed of 2000 MHz. It also makes use of a 128-bit bus, and uses a 7 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 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 in general. (explain)

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

Texel Rate

The Radeon RX 6600 XT should be a lot (about 113%) better at texture filtering than the Radeon RX 470. (explain)

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

Pixel Rate

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

Radeon RX 6600 XT 125952 Mpixels/sec
Radeon RX 470 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

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 Radeon RX 6600 XT
Manufacturer AMD AMD
Year August 2016 August 2021
Code Name Polaris 10 Navi 23 XT
Memory 8192 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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon RX 470

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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