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Radeon R9 280X vs Radeon RX 5600

Intro

The Radeon R9 280X features a core clock speed of 850 MHz and a GDDR5 memory speed of 1500 MHz. It also features a 384-bit bus, and uses a 28 nm design. It features 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the Radeon RX 5600, which features a core clock speed of 1375 MHz and a GDDR6 memory frequency of 1500 MHz. It also uses a 192-bit bus, and uses a 7 nm design. It features 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 150 Watts
Radeon R9 280X 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 5600 should be 2% quicker than the Radeon R9 280X overall, due to its greater bandwidth. (explain)

Radeon RX 5600 294912 MB/sec
Radeon R9 280X 288000 MB/sec
Difference: 6912 (2%)

Texel Rate

The Radeon RX 5600 should be quite a bit (approximately 62%) faster with regards to texture filtering than the Radeon R9 280X. (explain)

Radeon RX 5600 176000 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 67200 (62%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 5600 is the winner, by a large margin. (explain)

Radeon RX 5600 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

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
Manufacturer AMD AMD
Year October 2013 January 2020
Code Name Tahiti XTL Navi 10 XE
Memory 3072 MB 6144 MB
Core Speed 850 MHz 1375 MHz
Memory Speed 6000 MHz 3000 GB/s
Power (Max TDP) 250 watts 150 watts
Bandwidth 288000 MB/sec 294912 MB/sec
Texel Rate 108800 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 27200 Mpixels/sec 88000 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
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: 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 worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon R9 280X

Amazon.com

Check prices at:

Radeon RX 5600

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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