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GeForce GTX 260 216SP 55 nm vs GeForce GTX 550 Ti

Intro

The GeForce GTX 260 216SP 55 nm features a clock speed of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also features a 448-bit bus, and makes use of a 55 nm design. It is made up of 216 SPUs, 72 TAUs, and 28 Raster Operation Units.

Compare all of that to the GeForce GTX 550 Ti, which makes use of a 40 nm design. nVidia has set the core frequency at 900 MHz. The GDDR5 RAM is set to run at a speed of 1026 MHz on this particular model. It features 192 SPUs as well as 32 TAUs and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTX 260 216SP 55 nm 171 Watts
Difference: 55 Watts (47%)

Memory Bandwidth

The GeForce GTX 260 216SP 55 nm, in theory, should be just a bit faster than the GeForce GTX 550 Ti in general. (explain)

GeForce GTX 260 216SP 55 nm 111888 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 13392 (14%)

Texel Rate

The GeForce GTX 260 216SP 55 nm will be quite a bit (more or less 44%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 12672 (44%)

Pixel Rate

The GeForce GTX 550 Ti is quite a bit (more or less 34%) more effective at anti-aliasing than the GeForce GTX 260 216SP 55 nm, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTX 260 216SP 55 nm 16128 Mpixels/sec
Difference: 5472 (34%)

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 260 216SP 55 nm

Amazon.com

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GeForce GTX 550 Ti

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 260 216SP 55 nm GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year December 22, 2008 March 2011
Code Name G200b GF116
Memory 896 MB 1024 MB
Core Speed 576 MHz 900 MHz
Memory Speed 1998 MHz 4104 MHz
Power (Max TDP) 171 watts 116 watts
Bandwidth 111888 MB/sec 98496 MB/sec
Texel Rate 41472 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 216 192
Texture Mapping Units 72 32
Render Output Units 28 24
Bus Type GDDR3 GDDR5
Bus Width 448-bit 192-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 1170 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. 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 is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 260 216SP 55 nm

Amazon.com

Check prices at:

GeForce GTX 550 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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