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GeForce GTX 580 3GB vs Radeon R9 380 2G

Intro

The GeForce GTX 580 3GB features a core clock frequency of 772 MHz and a GDDR5 memory frequency of 1002 MHz. It also makes use of a 384-bit memory bus, and makes use of a 40 nm design. It features 512 SPUs, 64 Texture Address Units, and 48 Raster Operation Units.

Compare all that to the Radeon R9 380 2G, which has a core clock frequency of 970 MHz and a GDDR5 memory speed of 1425 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It is made up of 1792 SPUs, 112 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 2G 190 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 54 Watts (28%)

Memory Bandwidth

The GeForce GTX 580 3GB, in theory, should be a small bit faster than the Radeon R9 380 2G overall. (explain)

GeForce GTX 580 3GB 192384 MB/sec
Radeon R9 380 2G 182400 MB/sec
Difference: 9984 (5%)

Texel Rate

The Radeon R9 380 2G will be quite a bit (approximately 120%) more effective at texture filtering than the GeForce GTX 580 3GB. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 59232 (120%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 580 3GB is a better choice, though only just barely. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Radeon R9 380 2G 31040 Mpixels/sec
Difference: 6016 (19%)

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 580 3GB

Amazon.com

Check prices at:

Radeon R9 380 2G

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 580 3GB Radeon R9 380 2G
Manufacturer nVidia AMD
Year November 2010 June 2015
Code Name GF110 Antigua PRO
Memory 3072 MB 2048 MB
Core Speed 772 MHz 970 MHz
Memory Speed 4008 MHz 5700 MHz
Power (Max TDP) 244 watts 190 watts
Bandwidth 192384 MB/sec 182400 MB/sec
Texel Rate 49408 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 512 1792
Texture Mapping Units 64 112
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 5000 million
Bus PCIe x16 PCIe 3.0 ×16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 applied per second. This number is calculated by multiplying the total amount of texture units by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record 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 card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 580 3GB

Amazon.com

Check prices at:

Radeon R9 380 2G

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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