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Radeon HD 4890 2GB vs Radeon RX 560

Intro

The Radeon HD 4890 2GB uses a 55 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 RAM is set to run at a frequency of 975 MHz on this model. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

Compare all of that to the Radeon RX 560, which features a core clock speed of 1175 MHz and a GDDR5 memory frequency of 7000 MHz. It also uses a 128-bit memory bus, and makes use of a 14 nm design. It features 1024 SPUs, 64 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 560 80 Watts
Radeon HD 4890 2GB 190 Watts
Difference: 110 Watts (138%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4890 2GB should be 9% quicker than the Radeon RX 560 in general, because of its higher bandwidth. (explain)

Radeon HD 4890 2GB 124800 MB/sec
Radeon RX 560 114688 MB/sec
Difference: 10112 (9%)

Texel Rate

The Radeon RX 560 will be much (more or less 88%) faster with regards to AF than the Radeon HD 4890 2GB. (explain)

Radeon RX 560 75200 Mtexels/sec
Radeon HD 4890 2GB 40000 Mtexels/sec
Difference: 35200 (88%)

Pixel Rate

The Radeon RX 560 will be a bit (approximately 18%) more effective at anti-aliasing than the Radeon HD 4890 2GB, and should be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX 560 18800 Mpixels/sec
Radeon HD 4890 2GB 16000 Mpixels/sec
Difference: 2800 (18%)

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 HD 4890 2GB

Amazon.com

Check prices at:

Radeon RX 560

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 HD 4890 2GB Radeon RX 560
Manufacturer AMD AMD
Year Apr 2, 2009 May 2017
Code Name RV790 XT Baffin
Memory 2048 MB 4096 MB
Core Speed 1000 MHz 1175 MHz
Memory Speed 3900 MHz 28000 MHz
Power (Max TDP) 190 watts 80 watts
Bandwidth 124800 MB/sec 114688 MB/sec
Texel Rate 40000 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 800(160x5) 1024
Texture Mapping Units 40 64
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 14 nm
Transistors 959 million 3000 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 4890 2GB

Amazon.com

Check prices at:

Radeon RX 560

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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