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GeForce GTX 580 3GB vs GeForce GTX 650 Ti

Intro

The GeForce GTX 580 3GB features clock speeds of 772 MHz on the GPU, and 1002 MHz on the 3072 MB of GDDR5 memory. It features 512 SPUs along with 64 TAUs and 48 Rasterization Operator Units.

Compare all that to the GeForce GTX 650 Ti, which comes with clock speeds of 928 MHz on the GPU, and 1350 MHz on the 1024 MB of GDDR5 RAM. It features 768 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 134 Watts (122%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 3GB should be 123% faster than the GeForce GTX 650 Ti in general, due to its greater bandwidth. (explain)

GeForce GTX 580 3GB 192384 MB/sec
GeForce GTX 650 Ti 86400 MB/sec
Difference: 105984 (123%)

Texel Rate

The GeForce GTX 650 Ti is a bit (more or less 20%) more effective at AF than the GeForce GTX 580 3GB. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 9984 (20%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 580 3GB is superior to the GeForce GTX 650 Ti, and very much so. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
GeForce GTX 650 Ti 14848 Mpixels/sec
Difference: 22208 (150%)

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:

GeForce GTX 650 Ti

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 GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year November 2010 October 2012
Code Name GF110 GK106
Memory 3072 MB 1024 MB
Core Speed 772 MHz 928 MHz
Memory Speed 4008 MHz 5400 MHz
Power (Max TDP) 244 watts 110 watts
Bandwidth 192384 MB/sec 86400 MB/sec
Texel Rate 49408 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 512 768
Texture Mapping Units 64 64
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better 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 maximum amount of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 580 3GB

Amazon.com

Check prices at:

GeForce GTX 650 Ti

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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