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GeForce GTX 580 vs GeForce GTX 650

Intro

The GeForce GTX 580 features a core clock speed of 772 MHz and a GDDR5 memory frequency of 1002 MHz. It also uses a 384-bit bus, and makes use of a 40 nm design. It is comprised of 512 SPUs, 64 Texture Address Units, and 48 ROPs.

Compare all that to the GeForce GTX 650, which has GPU clock speed of 1058 MHz, and 1024 MB of GDDR5 RAM set to run at 1250 MHz through a 128-bit bus. It also features 384 Stream Processors, 32 TAUs, and 16 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 580 4956 points
GeForce GTX 650 2263 points
Difference: 2693 (119%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 580 244 Watts
Difference: 180 Watts (281%)

Memory Bandwidth

The GeForce GTX 580, in theory, should be a lot faster than the GeForce GTX 650 in general. (explain)

GeForce GTX 580 192384 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 112384 (140%)

Texel Rate

The GeForce GTX 580 will be a lot (about 46%) better at anisotropic filtering than the GeForce GTX 650. (explain)

GeForce GTX 580 49408 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 15552 (46%)

Pixel Rate

The GeForce GTX 580 is quite a bit (more or less 119%) better at full screen anti-aliasing than the GeForce GTX 650, and also should be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 580 37056 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 20128 (119%)

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

Amazon.com

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GeForce GTX 650

Amazon.com

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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 GeForce GTX 650
Manufacturer nVidia nVidia
Year November 2010 September 2012
Code Name GF110 GK107
Memory 1536 MB 1024 MB
Core Speed 772 MHz 1058 MHz
Memory Speed 4008 MHz 5000 MHz
Power (Max TDP) 244 watts 64 watts
Bandwidth 192384 MB/sec 80000 MB/sec
Texel Rate 49408 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 16928 Mpixels/sec
Unified Shaders 512 384
Texture Mapping Units 64 32
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 1300 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: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 are processed per second. This figure is calculated by multiplying the total number of texture units by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the 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 - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably 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

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GeForce GTX 580

Amazon.com

Check prices at:

GeForce GTX 650

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.

Comments

One Response to “GeForce GTX 580 vs GeForce GTX 650”
Erik Paco says:

La 650 es mejor

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