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GeForce GTX 580 vs GeForce GTX 650

Intro

The GeForce GTX 580 uses a 40 nm design. nVidia has set the core speed at 772 MHz. The GDDR5 RAM runs at a speed of 1002 MHz on this model. It features 512 SPUs as well as 64 TAUs and 48 ROPs.

Compare all that to the GeForce GTX 650, which features a clock speed of 1058 MHz and a GDDR5 memory speed of 1250 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is made up of 384 SPUs, 32 Texture Address Units, 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

Theoretically speaking, the GeForce GTX 580 will be 140% quicker than the GeForce GTX 650 overall, due to its higher data rate. (explain)

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

Texel Rate

The GeForce GTX 580 is much (about 46%) faster with regards to 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

If running with lots of anti-aliasing is important to you, then the GeForce GTX 580 is the winner, by far. (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

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 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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach 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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