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GeForce GTX 260 216SP 55 nm vs GeForce GTX 275

Intro

The GeForce GTX 260 216SP 55 nm features a GPU core clock speed of 576 MHz, and the 896 MB of GDDR3 RAM runs at 999 MHz through a 448-bit bus. It also features 216 SPUs, 72 TAUs, and 28 ROPs.

Compare those specs to the GeForce GTX 275, which comes with a clock frequency of 633 MHz and a GDDR3 memory speed of 1134 MHz. It also uses a 448-bit bus, and makes use of a 55 nm design. It is made up of 240 SPUs, 80 Texture Address Units, and 28 Raster Operation Units.

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 275 219 Watts
Difference: 48 Watts (28%)

Memory Bandwidth

Theoretically, the GeForce GTX 275 should be just a bit faster than the GeForce GTX 260 216SP 55 nm overall. (explain)

GeForce GTX 275 127008 MB/sec
GeForce GTX 260 216SP 55 nm 111888 MB/sec
Difference: 15120 (14%)

Texel Rate

The GeForce GTX 275 will be quite a bit (about 22%) better at texture filtering than the GeForce GTX 260 216SP 55 nm. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
Difference: 9168 (22%)

Pixel Rate

The GeForce GTX 275 will be just a bit (more or less 10%) faster with regards to AA than the GeForce GTX 260 216SP 55 nm, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 275 17724 Mpixels/sec
GeForce GTX 260 216SP 55 nm 16128 Mpixels/sec
Difference: 1596 (10%)

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 275

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 275
Manufacturer nVidia nVidia
Year December 22, 2008 April 9, 2009
Code Name G200b G200b
Memory 896 MB 896 MB
Core Speed 576 MHz 633 MHz
Memory Speed 1998 MHz 2268 MHz
Power (Max TDP) 171 watts 219 watts
Bandwidth 111888 MB/sec 127008 MB/sec
Texel Rate 41472 Mtexels/sec 50640 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 17724 Mpixels/sec
Unified Shaders 216 240
Texture Mapping Units 72 80
Render Output Units 28 28
Bus Type GDDR3 GDDR3
Bus Width 448-bit 448-bit
Fab Process 55 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 max amount of information (measured in megabytes per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics 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 the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 260 216SP 55 nm

Amazon.com

Check prices at:

GeForce GTX 275

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 260 216SP 55 nm vs GeForce GTX 275”
[VĂ¢nd] Placa video eVga gtx 260 SSC 216 SP says:

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