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Radeon R9 280 vs Radeon RX 5500 XT

Intro

The Radeon R9 280 makes use of a 28 nm design. AMD has clocked the core frequency at 933 MHz. The GDDR5 memory runs at a speed of 1250 MHz on this particular model. It features 1792 SPUs as well as 112 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon RX 5500 XT, which comes with a core clock frequency of 1717 MHz and a GDDR6 memory speed of 1750 MHz. It also uses a 128-bit bus, and makes use of a 7 nm design. It features 1408 SPUs, 88 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT 130 Watts
Radeon R9 280 250 Watts
Difference: 120 Watts (92%)

Memory Bandwidth

The Radeon R9 280 should theoretically be a small bit faster than the Radeon RX 5500 XT in general. (explain)

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

Texel Rate

The Radeon RX 5500 XT should be a lot (approximately 45%) faster with regards to anisotropic filtering than the Radeon R9 280. (explain)

Radeon RX 5500 XT 151096 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 46600 (45%)

Pixel Rate

The Radeon RX 5500 XT is a lot (about 84%) more effective at AA than the Radeon R9 280, and should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 5500 XT 54944 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 25088 (84%)

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 5500 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 280 Radeon RX 5500 XT
Manufacturer AMD AMD
Year March 2014 December 2019
Code Name Tahiti Pro Navi 14 XTX
Memory 3072 MB 8192 MB
Core Speed 933 MHz 1717 MHz
Memory Speed 5000 MHz 3500 GB/s
Power (Max TDP) 250 watts 130 watts
Bandwidth 240000 MB/sec 229376 MB/sec
Texel Rate 104496 Mtexels/sec 151096 Mtexels/sec
Pixel Rate 29856 Mpixels/sec 54944 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 max amount of data (measured in megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of 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

Hide Prices

Radeon R9 280

Amazon.com

Check prices at:

Radeon RX 5500 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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