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GeForce GTX 580 3GB vs Radeon R9 M395X

Intro

The GeForce GTX 580 3GB features a GPU core 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 TAUs, and 48 Raster Operation Units.

Compare that to the Radeon R9 M395X, which features a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 memory running at 1250 MHz through a 256-bit bus. It also features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M395X 125 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 119 Watts (95%)

Memory Bandwidth

In theory, the GeForce GTX 580 3GB should perform a small bit faster than the Radeon R9 M395X in general. (explain)

GeForce GTX 580 3GB 192384 MB/sec
Radeon R9 M395X 160000 MB/sec
Difference: 32384 (20%)

Texel Rate

The Radeon R9 M395X should be a lot (approximately 87%) more effective at AF than the GeForce GTX 580 3GB. (explain)

Radeon R9 M395X 92544 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 43136 (87%)

Pixel Rate

The GeForce GTX 580 3GB should be a lot (about 60%) more effective at FSAA than the Radeon R9 M395X, and will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Radeon R9 M395X 23136 Mpixels/sec
Difference: 13920 (60%)

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 M395X

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 M395X
Manufacturer nVidia AMD
Year November 2010 2015
Code Name GF110 Tonga
Memory 3072 MB 4096 MB
Core Speed 772 MHz 723 MHz
Memory Speed 4008 MHz 5000 MHz
Power (Max TDP) 244 watts 125 watts
Bandwidth 192384 MB/sec 160000 MB/sec
Texel Rate 49408 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 23136 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 (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, the result 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 AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount 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 output rate is also dependant on quite a few 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 M395X

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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