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Radeon R9 280 vs Radeon RX 5600

Intro

The Radeon R9 280 comes with clock speeds of 933 MHz on the GPU, and 1250 MHz on the 3072 MB of GDDR5 RAM. It features 1792 SPUs as well as 112 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 5600, which comes with a GPU core clock speed of 1375 MHz, and 6144 MB of GDDR6 RAM running at 12000 MHz through a 192-bit bus. It also is comprised of 2048 Stream Processors, 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 280 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

The Radeon RX 5600 should in theory be much faster than the Radeon R9 280 in general. (explain)

Radeon RX 5600 294912 MB/sec
Radeon R9 280 240000 MB/sec
Difference: 54912 (23%)

Texel Rate

The Radeon RX 5600 will be quite a bit (approximately 68%) better at AF than the Radeon R9 280. (explain)

Radeon RX 5600 176000 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 71504 (68%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5600 is the winner, by far. (explain)

Radeon RX 5600 88000 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 58144 (195%)

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 280

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.

Specifications

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Model Radeon R9 280 Radeon RX 5600
Manufacturer AMD AMD
Year March 2014 January 2020
Code Name Tahiti Pro Navi 10 XE
Memory 3072 MB 6144 MB
Core Speed 933 MHz 1375 MHz
Memory Speed 5000 MHz 24000 GB/s
Power (Max TDP) 250 watts 150 watts
Bandwidth 240000 MB/sec 294912 MB/sec
Texel Rate 104496 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 29856 Mpixels/sec 88000 Mpixels/sec
Unified Shaders 1792 2048
Texture Mapping Units 112 128
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 maximum amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 280

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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