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Radeon R9 280X vs Radeon RX 5600 XT

Intro

The Radeon R9 280X has core speeds of 850 MHz on the GPU, and 1500 MHz on the 3072 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the Radeon RX 5600 XT, which uses a 7 nm design. AMD has set the core frequency at 1375 MHz. The GDDR6 RAM works at a speed of 14000 MHz on this particular model. It features 2304 SPUs as well as 144 Texture Address Units 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

Theoretically speaking, the Radeon RX 5600 XT should be a small 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 quite a bit (more or less 82%) more effective at 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

If running with high levels of AA is important to you, then the Radeon RX 5600 XT is superior to the Radeon R9 280X, and very much so. (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 28000 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 (measured in MB per second) that can be transported across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs 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 rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max 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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