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Radeon RX 480 vs Radeon RX 6650 XT

Intro

The Radeon RX 480 uses a 14 nm design. AMD has clocked the core speed at 1120 MHz. The GDDR5 RAM runs at a speed of 2000 MHz on this specific model. It features 2304 SPUs along with 144 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the Radeon RX 6650 XT, which makes use of a 7 nm design. AMD has clocked the core frequency at 2055 MHz. The GDDR6 RAM works at a frequency of 2190 MHz on this specific model. It features 2048 SPUs along with 128 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 150 Watts
Radeon RX 6650 XT 176 Watts
Difference: 26 Watts (17%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6650 XT should in theory be a little bit better than the Radeon RX 480 in general. (explain)

Radeon RX 6650 XT 287072 MB/sec
Radeon RX 480 262144 MB/sec
Difference: 24928 (10%)

Texel Rate

The Radeon RX 6650 XT should be quite a bit (more or less 63%) faster with regards to anisotropic filtering than the Radeon RX 480. (explain)

Radeon RX 6650 XT 263040 Mtexels/sec
Radeon RX 480 161280 Mtexels/sec
Difference: 101760 (63%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 6650 XT is the winner, by a large margin. (explain)

Radeon RX 6650 XT 131520 Mpixels/sec
Radeon RX 480 35840 Mpixels/sec
Difference: 95680 (267%)

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 480

Amazon.com

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Radeon RX 6650 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 480 Radeon RX 6650 XT
Manufacturer AMD AMD
Year June 2016 May 2022
Code Name Polaris 10 Navi 23
Memory 8192 MB 8192 MB
Core Speed 1120 MHz 2055 MHz
Memory Speed 8000 MHz 4380 GB/s
Power (Max TDP) 150 watts 176 watts
Bandwidth 262144 MB/sec 287072 MB/sec
Texel Rate 161280 Mtexels/sec 263040 Mtexels/sec
Pixel Rate 35840 Mpixels/sec 131520 Mpixels/sec
Unified Shaders 2304 2048
Texture Mapping Units 144 128
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 max amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 480

Amazon.com

Check prices at:

Radeon RX 6650 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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