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GeForce GTX 260 vs GeForce GTX 260 216SP 55 nm

Intro

The GeForce GTX 260 makes use of a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 RAM is set to run at a speed of 999 MHz on this card. It features 192 SPUs along with 64 TAUs and 28 ROPs.

Compare those specs to the GeForce GTX 260 216SP 55 nm, which has a clock frequency of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also makes use of a 448-bit bus, and uses a 55 nm design. It is made up of 216 SPUs, 72 Texture Address Units, and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 260 216SP 55 nm 171 Watts
GeForce GTX 260 182 Watts
Difference: 11 Watts (6%)

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The GeForce GTX 260 216SP 55 nm should be a little bit (approximately 13%) more effective at texture filtering than the GeForce GTX 260. (explain)

GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
GeForce GTX 260 36864 Mtexels/sec
Difference: 4608 (13%)

Pixel Rate

Both cards have exactly the same pixel rate, so theoretically they should perform equally good at at anti-aliasing, and be able to handle the same resolutions. (explain)

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

Amazon.com

Check prices at:

GeForce GTX 260 216SP 55 nm

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

Display Specifications

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Model GeForce GTX 260 GeForce GTX 260 216SP 55 nm
Manufacturer nVidia nVidia
Year June 16, 2008 December 22, 2008
Code Name G200 G200b
Memory 896 MB 896 MB
Core Speed 576 MHz 576 MHz
Memory Speed 1998 MHz 1998 MHz
Power (Max TDP) 182 watts 171 watts
Bandwidth 111888 MB/sec 111888 MB/sec
Texel Rate 36864 Mtexels/sec 41472 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 192 216
Texture Mapping Units 64 72
Render Output Units 28 28
Bus Type GDDR3 GDDR3
Bus Width 448-bit 448-bit
Fab Process 65 nm 55 nm
Transistors 1400 million 1400 million
Bus PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.1 OpenGL 3.1

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the 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 amount of texture map elements (texels) that can be applied in one second. This number is worked out 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 260

Amazon.com

Check prices at:

GeForce GTX 260 216SP 55 nm

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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