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GeForce GTX 260 216SP 55 nm vs GeForce GTX 460 2GB

Intro

The GeForce GTX 260 216SP 55 nm features a core clock speed of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also features a 448-bit memory bus, and uses a 55 nm design. It features 216 SPUs, 72 Texture Address Units, and 28 Raster Operation Units.

Compare all of that to the GeForce GTX 460 2GB, which comes with GPU clock speed of 675 MHz, and 2048 MB of GDDR5 RAM set to run at 900 MHz through a 256-bit bus. It also features 336 SPUs, 56 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
GeForce GTX 260 216SP 55 nm 171 Watts
Difference: 11 Watts (7%)

Memory Bandwidth

The GeForce GTX 460 2GB, in theory, should be a little bit faster than the GeForce GTX 260 216SP 55 nm overall. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GTX 260 216SP 55 nm 111888 MB/sec
Difference: 3312 (3%)

Texel Rate

The GeForce GTX 260 216SP 55 nm is just a bit (approximately 10%) better at texture filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 3672 (10%)

Pixel Rate

The GeForce GTX 460 2GB will be a lot (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 more effectively. (explain)

GeForce GTX 460 2GB 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

Check prices at:

GeForce GTX 460 2GB

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 216SP 55 nm GeForce GTX 460 2GB
Manufacturer nVidia nVidia
Year December 22, 2008 July 2010
Code Name G200b GF104
Memory 896 MB 2048 MB
Core Speed 576 MHz 675 MHz
Memory Speed 1998 MHz 3600 MHz
Power (Max TDP) 171 watts 160 watts
Bandwidth 111888 MB/sec 115200 MB/sec
Texel Rate 41472 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 216 336
Texture Mapping Units 72 56
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the 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 amount of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 260 216SP 55 nm

Amazon.com

Check prices at:

GeForce GTX 460 2GB

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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