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Radeon RX 480 vs Radeon RX 6650 XT

Intro

The Radeon RX 480 has a GPU core clock speed of 1120 MHz, and the 8192 MB of GDDR5 memory is set to run at 2000 MHz through a 256-bit bus. It also features 2304 Stream Processors, 144 TAUs, and 32 ROPs.

Compare that to the Radeon RX 6650 XT, which features a core clock speed of 2055 MHz and a GDDR6 memory speed of 2190 MHz. It also uses a 128-bit memory bus, and uses a 7 nm design. It is made up of 2048 SPUs, 128 TAUs, and 64 Raster Operation Units.

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

Performance-wise, the Radeon RX 6650 XT should in theory be a little bit superior to 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 will be quite a bit (about 63%) faster with regards to AF 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 a better choice, by far. (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

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.

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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, the result should 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably 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 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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