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Radeon R9 280 vs Radeon RX 5500

Intro

The Radeon R9 280 comes with a GPU core speed of 933 MHz, and the 3072 MB of GDDR5 memory runs at 1250 MHz through a 384-bit bus. It also is made up of 1792 SPUs, 112 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon RX 5500, which has a GPU core clock speed of 1670 MHz, and 4096 MB of GDDR6 RAM set to run at 1750 MHz through a 128-bit bus. It also is comprised of 1408 SPUs, 88 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 150 Watts
Radeon R9 280 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

As far as performance goes, the Radeon R9 280 should in theory be a little bit superior to the Radeon RX 5500 in general. (explain)

Radeon R9 280 240000 MB/sec
Radeon RX 5500 229376 MB/sec
Difference: 10624 (5%)

Texel Rate

The Radeon RX 5500 is much (approximately 41%) faster with regards to texture filtering than the Radeon R9 280. (explain)

Radeon RX 5500 146960 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 42464 (41%)

Pixel Rate

The Radeon RX 5500 should be much (approximately 79%) better at full screen anti-aliasing than the Radeon R9 280, and should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 5500 53440 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 23584 (79%)

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

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Radeon RX 5500

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 280 Radeon RX 5500
Manufacturer AMD AMD
Year March 2014 October 2019
Code Name Tahiti Pro Navi 14 XT
Memory 3072 MB 4096 MB
Core Speed 933 MHz 1670 MHz
Memory Speed 5000 MHz 3500 GB/s
Power (Max TDP) 250 watts 150 watts
Bandwidth 240000 MB/sec 229376 MB/sec
Texel Rate 104496 Mtexels/sec 146960 Mtexels/sec
Pixel Rate 29856 Mpixels/sec 53440 Mpixels/sec
Unified Shaders 1792 1408
Texture Mapping Units 112 88
Render Output Units 32 32
Bus Type GDDR5 GDDR6
Bus Width 384-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 4313 million 6400 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 maximum amount of data (measured in megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics 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 that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. 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 fill rate also depends on many 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 280

Amazon.com

Check prices at:

Radeon RX 5500

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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