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GeForce GTX 580 3GB vs Radeon R9 380X

Intro

The GeForce GTX 580 3GB has a GPU core speed of 772 MHz, and the 3072 MB of GDDR5 memory is set to run at 1002 MHz through a 384-bit bus. It also is made up of 512 Stream Processors, 64 TAUs, and 48 ROPs.

Compare those specifications to the Radeon R9 380X, which features core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 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

Theoretically, the GeForce GTX 580 3GB should be a bit faster than the Radeon R9 380X overall. (explain)

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

Texel Rate

The Radeon R9 380X will be a lot (about 151%) faster with regards to 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 is a little bit (approximately 19%) better at AA than the Radeon R9 380X, and also should be able to handle higher 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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs 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 also depends on quite a few 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

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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