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GeForce GTX 260 Core 216 vs GeForce GTX 275

Intro

The GeForce GTX 260 Core 216 uses a 65 nm design. nVidia has set the core frequency at 576 MHz. The GDDR3 memory is set to run at a frequency of 999 MHz on this model. It features 216 SPUs as well as 72 Texture Address Units and 28 Rasterization Operator Units.

Compare those specs to the GeForce GTX 275, which uses a 55 nm design. nVidia has set the core speed at 633 MHz. The GDDR3 RAM runs at a frequency of 1134 MHz on this particular model. It features 240 SPUs as well as 80 Texture Address Units and 28 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 260 Core 216 202 Watts
GeForce GTX 275 219 Watts
Difference: 17 Watts (8%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 275 should in theory be just a bit better than the GeForce GTX 260 Core 216 overall. (explain)

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

Texel Rate

The GeForce GTX 275 should be quite a bit (about 22%) more effective at anisotropic filtering than the GeForce GTX 260 Core 216. (explain)

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

Pixel Rate

The GeForce GTX 275 will be a small bit (more or less 10%) more effective at anti-aliasing than the GeForce GTX 260 Core 216, and also will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 275 17724 Mpixels/sec
GeForce GTX 260 Core 216 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 Core 216

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.

Specifications

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Model GeForce GTX 260 Core 216 GeForce GTX 275
Manufacturer nVidia nVidia
Year September 16, 2008 April 9, 2009
Code Name G200 G200b
Memory 896 MB 896 MB
Core Speed 576 MHz 633 MHz
Memory Speed 1998 MHz 2268 MHz
Power (Max TDP) 202 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 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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at 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 record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 260 Core 216

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.

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