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Radeon R9 280X vs Radeon RX 5600 XT

Intro

The Radeon R9 280X uses a 28 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 RAM is set to run at a speed of 1500 MHz on this particular model. It features 2048 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

Compare all of that to the Radeon RX 5600 XT, which comes with a GPU core clock speed of 1375 MHz, and 6144 MB of GDDR6 RAM running at 1500 MHz through a 192-bit bus. It also features 2304 SPUs, 144 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

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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

In theory, the Radeon RX 5600 XT should be just a bit faster than the Radeon R9 280X overall. (explain)

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

Texel Rate

The Radeon RX 5600 XT will be a lot (about 82%) more effective at texture 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 is quite a bit (about 224%) faster with regards to AA than the Radeon R9 280X, and also will be able to handle higher screen resolutions better. (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

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.

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 data (in units of MB per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

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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