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GeForce 9500 GT 512MB GDDR3 vs GeForce GTX 660

Intro

The GeForce 9500 GT 512MB GDDR3 features a core clock speed of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also makes use of a 128-bit memory bus, and makes use of a 55 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specs to the GeForce GTX 660, which comes with GPU clock speed of 980 MHz, and 2048 MB of GDDR5 memory running at 1502 MHz through a 192-bit bus. It also is made up of 960 SPUs, 80 Texture Address Units, and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3 50 Watts
GeForce GTX 660 140 Watts
Difference: 90 Watts (180%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 660 should be quite a bit faster than the GeForce 9500 GT 512MB GDDR3 in general. (explain)

GeForce GTX 660 144192 MB/sec
GeForce 9500 GT 512MB GDDR3 25600 MB/sec
Difference: 118592 (463%)

Texel Rate

The GeForce GTX 660 should be quite a bit (more or less 791%) better at texture filtering than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce GTX 660 78400 Mtexels/sec
GeForce 9500 GT 512MB GDDR3 8800 Mtexels/sec
Difference: 69600 (791%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 660 is superior to the GeForce 9500 GT 512MB GDDR3, by far. (explain)

GeForce GTX 660 23520 Mpixels/sec
GeForce 9500 GT 512MB GDDR3 4400 Mpixels/sec
Difference: 19120 (435%)

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 9500 GT 512MB GDDR3

Amazon.com

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GeForce GTX 660

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 9500 GT 512MB GDDR3 GeForce GTX 660
Manufacturer nVidia nVidia
Year July 2008 September 2012
Code Name G96b GK106
Memory 512 MB 2048 MB
Core Speed 550 MHz 980 MHz
Memory Speed 1600 MHz 6008 MHz
Power (Max TDP) 50 watts 140 watts
Bandwidth 25600 MB/sec 144192 MB/sec
Texel Rate 8800 Mtexels/sec 78400 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 23520 Mpixels/sec
Unified Shaders 32 960
Texture Mapping Units 16 80
Render Output Units 8 24
Bus Type GDDR3 GDDR5
Bus Width 128-bit 192-bit
Fab Process 55 nm 28 nm
Transistors 314 million 2540 million
Bus PCIe x16 2.0, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines 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 quite a few other factors, especially 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 9500 GT 512MB GDDR3

Amazon.com

Check prices at:

GeForce GTX 660

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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