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Radeon RX 470 vs Radeon RX 6600 XT

Intro

The Radeon RX 470 has clock speeds of 926 MHz on the GPU, and 1650 MHz on the 8192 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon RX 6600 XT, which has a GPU core clock speed of 1968 MHz, and 8192 MB of GDDR6 memory set to run at 2000 MHz through a 128-bit bus. It also is made up of 2048 Stream Processors, 128 Texture Address Units, and 64 ROPs.

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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

The Radeon RX 6600 XT should in theory perform much faster than 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 is quite a bit (approximately 113%) better at AF 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 lots of anti-aliasing is important to you, then the Radeon RX 6600 XT is a better choice, by far. (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

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.

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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If it uses 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, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum 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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