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GeForce GTX 580 3GB vs Radeon R9 M295X

Intro

The GeForce GTX 580 3GB uses a 40 nm design. nVidia has clocked the core frequency at 772 MHz. The GDDR5 memory works at a frequency of 1002 MHz on this specific model. It features 512 SPUs along with 64 Texture Address Units and 48 Rasterization Operator Units.

Compare all that to the Radeon R9 M295X, which uses a 28 nm design. AMD has set the core frequency at 750 MHz. The GDDR5 RAM runs at a speed of 1375 MHz on this particular card. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 119 Watts (95%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 3GB should be 9% quicker than the Radeon R9 M295X overall, because of its higher data rate. (explain)

GeForce GTX 580 3GB 192384 MB/sec
Radeon R9 M295X 176000 MB/sec
Difference: 16384 (9%)

Texel Rate

The Radeon R9 M295X should be quite a bit (approximately 94%) better at texture filtering than the GeForce GTX 580 3GB. (explain)

Radeon R9 M295X 96000 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 46592 (94%)

Pixel Rate

The GeForce GTX 580 3GB should be quite a bit (more or less 54%) faster with regards to anti-aliasing than the Radeon R9 M295X, and also able to handle higher resolutions more effectively. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Radeon R9 M295X 24000 Mpixels/sec
Difference: 13056 (54%)

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 M295X

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 M295X
Manufacturer nVidia AMD
Year November 2010 2014
Code Name GF110 Unknown
Memory 3072 MB 4096 MB
Core Speed 772 MHz 750 MHz
Memory Speed 4008 MHz 5500 MHz
Power (Max TDP) 244 watts 125 watts
Bandwidth 192384 MB/sec 176000 MB/sec
Texel Rate 49408 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 24000 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 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 580 3GB

Amazon.com

Check prices at:

Radeon R9 M295X

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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