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Radeon R9 280X vs Radeon RX 5600 XT

Intro

The Radeon R9 280X has clock speeds of 850 MHz on the GPU, and 1500 MHz on the 3072 MB of GDDR5 memory. It features 2048 SPUs as well as 128 TAUs and 32 ROPs.

Compare those specs to the Radeon RX 5600 XT, which makes use of a 7 nm design. AMD has clocked the core speed at 1375 MHz. The GDDR6 memory is set to run at a frequency of 1500 MHz on this model. It features 2304 SPUs along with 144 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT 160 Watts
Radeon R9 280X 250 Watts
Difference: 90 Watts (56%)

Memory Bandwidth

Performance-wise, the Radeon RX 5600 XT should theoretically be a bit better than the Radeon R9 280X in general. (explain)

Radeon RX 5600 XT 344064 MB/sec
Radeon R9 280X 288000 MB/sec
Difference: 56064 (19%)

Texel Rate

The Radeon RX 5600 XT is a lot (approximately 82%) faster with regards to anisotropic filtering than the Radeon R9 280X. (explain)

Radeon RX 5600 XT 198000 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 89200 (82%)

Pixel Rate

The Radeon RX 5600 XT should be quite a bit (more or less 224%) better at AA than the Radeon R9 280X, and will be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 5600 XT 88000 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 60800 (224%)

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 R9 280X

Amazon.com

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Radeon RX 5600 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 R9 280X Radeon RX 5600 XT
Manufacturer AMD AMD
Year October 2013 January 2020
Code Name Tahiti XTL Navi 10 XLE
Memory 3072 MB 6144 MB
Core Speed 850 MHz 1375 MHz
Memory Speed 6000 MHz 3000 GB/s
Power (Max TDP) 250 watts 160 watts
Bandwidth 288000 MB/sec 344064 MB/sec
Texel Rate 108800 Mtexels/sec 198000 Mtexels/sec
Pixel Rate 27200 Mpixels/sec 88000 Mpixels/sec
Unified Shaders 2048 2304
Texture Mapping Units 128 144
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 384-bit 192-bit
Fab Process 28 nm 7 nm
Transistors 4313 million 10300 million
Bus PCIe 3.0 x16 PCIe 4.0 ×16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably 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 R9 280X

Amazon.com

Check prices at:

Radeon RX 5600 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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