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Geforce GTX 780 vs Radeon RX 590

Intro

The Geforce GTX 780 makes use of a 28 nm design. nVidia has set the core speed at 863 MHz. The GDDR5 memory runs at a frequency of 1502 MHz on this card. It features 2304 SPUs as well as 192 TAUs and 48 ROPs.

Compare all of that to the Radeon RX 590, which comes with a GPU core clock speed of 1469 MHz, and 8192 MB of GDDR5 RAM running at 2000 MHz through a 256-bit bus. It also is comprised of 2304 SPUs, 144 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 590 175 Watts
Geforce GTX 780 250 Watts
Difference: 75 Watts (43%)

Memory Bandwidth

The Geforce GTX 780 should theoretically perform a bit faster than the Radeon RX 590 overall. (explain)

Geforce GTX 780 288384 MB/sec
Radeon RX 590 262144 MB/sec
Difference: 26240 (10%)

Texel Rate

The Radeon RX 590 should be quite a bit (more or less 28%) more effective at texture filtering than the Geforce GTX 780. (explain)

Radeon RX 590 211536 Mtexels/sec
Geforce GTX 780 165696 Mtexels/sec
Difference: 45840 (28%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 590 is a better choice, though only just barely. (explain)

Radeon RX 590 47008 Mpixels/sec
Geforce GTX 780 41424 Mpixels/sec
Difference: 5584 (13%)

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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Geforce GTX 780

Amazon.com

Check prices at:

Radeon RX 590

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 Geforce GTX 780 Radeon RX 590
Manufacturer nVidia AMD
Year May 2013 November 2018
Code Name GK110 Polaris 30
Memory 3072 MB 8192 MB
Core Speed 863 MHz 1469 MHz
Memory Speed 6008 MHz 8000 MHz
Power (Max TDP) 250 watts 175 watts
Bandwidth 288384 MB/sec 262144 MB/sec
Texel Rate 165696 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 41424 Mpixels/sec 47008 Mpixels/sec
Unified Shaders 2304 2304
Texture Mapping Units 192 144
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 28 nm 12 nm
Transistors 7080 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Geforce GTX 780

Amazon.com

Check prices at:

Radeon RX 590

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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