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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 speed at 926 MHz. The GDDR5 memory is set to run at a speed of 1650 MHz on this particular card. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon RX 6600 XT, which uses a 7 nm design. AMD has set the core frequency at 1968 MHz. The GDDR6 RAM works at a frequency of 2000 MHz on this particular card. 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

Theoretically, the Radeon RX 6600 XT should perform much faster than 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 much (approximately 113%) more effective at texture 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

The Radeon RX 6600 XT will be much (more or less 325%) more effective at full screen anti-aliasing than the Radeon RX 470 4GB, and capable of handling higher resolutions while still performing well. (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: Bandwidth is the largest amount of data (measured in MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the 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 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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