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GeForce GTX 460 1GB vs GeForce GTX 660 Ti
Intro
The GeForce GTX 460 1GB comes with a clock frequency of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It is made up of 336 SPUs, 56 Texture Address Units, and 32 ROPs.Compare that to the GeForce GTX 660 Ti, which comes with core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1344 SPUs as well as 112 TAUs and 24 Rasterization Operator Units.
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
The GeForce GTX 660 Ti, in theory, should be a lot faster than the GeForce GTX 460 1GB in general. (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 quite a bit (approximately 171%) more effective at texture 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, though only just barely. (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 (in units of MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it should 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, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total texture units by the core 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 most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability 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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