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GeForce GTX 580 3GB vs Radeon R9 270X

Intro

The GeForce GTX 580 3GB uses a 40 nm design. nVidia has set the core speed at 772 MHz. The GDDR5 memory is set to run at a speed of 1002 MHz on this particular model. It features 512 SPUs along with 64 Texture Address Units and 48 ROPs.

Compare those specifications to the Radeon R9 270X, which uses a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 RAM is set to run at a speed of 1400 MHz on this particular card. It features 1280 SPUs as well as 80 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 270X 180 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 64 Watts (36%)

Memory Bandwidth

In theory, the GeForce GTX 580 3GB should be 7% faster than the Radeon R9 270X overall, due to its higher bandwidth. (explain)

GeForce GTX 580 3GB 192384 MB/sec
Radeon R9 270X 179200 MB/sec
Difference: 13184 (7%)

Texel Rate

The Radeon R9 270X will be quite a bit (more or less 62%) better at AF than the GeForce GTX 580 3GB. (explain)

Radeon R9 270X 80000 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 30592 (62%)

Pixel Rate

The GeForce GTX 580 3GB is just a bit (more or less 16%) faster with regards to anti-aliasing than the Radeon R9 270X, and also able to handle higher screen resolutions better. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Radeon R9 270X 32000 Mpixels/sec
Difference: 5056 (16%)

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 270X

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 270X
Manufacturer nVidia AMD
Year November 2010 October 2013
Code Name GF110 Curacao XT
Memory 3072 MB 2048 MB
Core Speed 772 MHz 1000 MHz
Memory Speed 4008 MHz 5600 MHz
Power (Max TDP) 244 watts 180 watts
Bandwidth 192384 MB/sec 179200 MB/sec
Texel Rate 49408 Mtexels/sec 80000 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 32000 Mpixels/sec
Unified Shaders 512 1280
Texture Mapping Units 64 80
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2800 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: Bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR 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 amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 580 3GB

Amazon.com

Check prices at:

Radeon R9 270X

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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