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GeForce GTX 460 1GB vs GeForce GTX 660 Ti
Intro
The GeForce GTX 460 1GB features a core clock speed of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It features 336 SPUs, 56 Texture Address Units, and 32 ROPs.Compare all that to the GeForce GTX 660 Ti, which features a clock frequency of 915 MHz and a GDDR5 memory speed of 1500 MHz. It also uses a 192-bit bus, and makes use of a 28 nm design. It is made up of 1344 SPUs, 112 TAUs, and 24 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce GTX 660 Ti |
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150 Watts |
| GeForce GTX 460 1GB |
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160 Watts |
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Memory Bandwidth
Theoretically speaking, the GeForce GTX 660 Ti is 25% faster than the GeForce GTX 460 1GB overall, due to its greater data rate. (explain)
| GeForce GTX 660 Ti |
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144000 MB/sec |
| GeForce GTX 460 1GB |
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115200 MB/sec |
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Texel Rate
The GeForce GTX 660 Ti will be much (about 171%) more effective at AF than the GeForce GTX 460 1GB. (explain)| GeForce GTX 660 Ti |
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102480 Mtexels/sec |
| GeForce GTX 460 1GB |
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37800 Mtexels/sec |
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Pixel Rate
The GeForce GTX 660 Ti will be a bit (more or less 2%) better at FSAA than the GeForce GTX 460 1GB, and also will be able to handle higher resolutions while still performing well. (explain)| GeForce GTX 660 Ti |
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21960 Mpixels/sec |
| GeForce GTX 460 1GB |
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21600 Mpixels/sec |
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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
GeForce GTX 460 1GBAmazon.com
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GeForce GTX 660 TiAmazon.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
| Model | GeForce GTX 460 1GB | GeForce GTX 660 Ti |
|---|---|---|
| Manufacturer | nVidia | nVidia |
| Year | July 2010 | August 2012 |
| Code Name | GF104 | GK104 |
| Memory | 1024 MB | 2048 MB |
| Core Speed | 675 MHz | 915 MHz |
| Memory Speed | 3600 MHz | 6000 MHz |
| Power (Max TDP) | 160 watts | 150 watts |
| Bandwidth | 115200 MB/sec | 144000 MB/sec |
| Texel Rate | 37800 Mtexels/sec | 102480 Mtexels/sec |
| Pixel Rate | 21600 Mpixels/sec | 21960 Mpixels/sec |
| Unified Shaders | 336 | 1344 |
| Texture Mapping Units | 56 | 112 |
| Render Output Units | 32 | 24 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 192-bit |
| Fab Process | 40 nm | 28 nm |
| Transistors | 1950 million | 3540 million |
| Bus | PCIe x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11 | DirectX 11.0 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.3 |
Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.
Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out 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 outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.
GeForce GTX 460 1GBAmazon.com
Check prices at:
|
GeForce GTX 660 TiAmazon.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
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