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GeForce GTX 580 3GB vs Radeon R9 380X

Intro

The GeForce GTX 580 3GB features a GPU clock speed of 772 MHz, and the 3072 MB of GDDR5 RAM runs at 1002 MHz through a 384-bit bus. It also features 512 SPUs, 64 Texture Address Units, and 48 Raster Operation Units.

Compare that to the Radeon R9 380X, which comes with a core clock speed of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also features a 256-bit bus, and uses a 28 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

As far as performance goes, the GeForce GTX 580 3GB should in theory be a little bit superior to the Radeon R9 380X in general. (explain)

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

Texel Rate

The Radeon R9 380X is a lot (more or less 151%) more effective at texture filtering than the GeForce GTX 580 3GB. (explain)

Radeon R9 380X 124160 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 74752 (151%)

Pixel Rate

The GeForce GTX 580 3GB should be a bit (approximately 19%) better at FSAA than the Radeon R9 380X, and also capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Radeon R9 380X 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 380X

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 380X
Manufacturer nVidia AMD
Year November 2010 November 2015
Code Name GF110 Tonga XT
Memory 3072 MB 4096 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 124160 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 512 2048
Texture Mapping Units 64 128
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 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 580 3GB

Amazon.com

Check prices at:

Radeon R9 380X

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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