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GeForce GTX 460 1GB vs GeForce GTX 660 Ti
Intro
The GeForce GTX 460 1GB has a core clock speed of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 256-bit bus, and makes use of a 40 nm design. It features 336 SPUs, 56 TAUs, and 32 ROPs.Compare those specs to the GeForce GTX 660 Ti, which makes use of a 28 nm design. nVidia has clocked the core speed at 915 MHz. The GDDR5 RAM works at a frequency of 1500 MHz on this particular model. It features 1344 SPUs as well as 112 Texture Address Units 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 should be 25% quicker than the GeForce GTX 460 1GB overall, because of 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 is a lot (more or less 171%) faster with regards to anisotropic filtering 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
If running with high levels of AA is important to you, then the GeForce GTX 660 Ti is a better choice, but only just. (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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.
Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum 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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