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GeForce GTX 460 1GB vs GeForce GTX 660 Ti

Intro

The GeForce GTX 460 1GB features a GPU core clock speed of 675 MHz, and the 1024 MB of GDDR5 RAM runs at 900 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 TAUs, and 32 ROPs.

Compare those specifications to the GeForce GTX 660 Ti, which comes with clock 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 Texture Address Units and 24 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 660 Ti should theoretically be quite a bit superior to the GeForce GTX 460 1GB in general. (explain)

GeForce GTX 660 Ti 144000 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 28800 (25%)

Texel Rate

The GeForce GTX 660 Ti should be a lot (approximately 171%) better at AF than the GeForce GTX 460 1GB. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 64680 (171%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 660 Ti is superior to the GeForce GTX 460 1GB, but only just. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 360 (2%)

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 460 1GB

Amazon.com

GeForce GTX 660 Ti

Amazon.com

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

Display Specifications

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Model GeForce GTX 460 1GB GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year July 2010 August 2012
Code Name GF104 GK104
Fab Process 40 nm 28 nm
Bus PCIe x16 PCIe 3.0 x16
Memory 1024 MB 2048 MB
Core Speed 675 MHz 915 MHz
Shader Speed 1350 MHz 915 MHz
Memory Speed 900 MHz (3600 MHz effective) 1500 MHz (6000 MHz effective)
Unified Shaders 336 1344
Texture Mapping Units 56 112
Render Output Units 32 24
Bus Type GDDR5 GDDR5
Bus Width 256-bit 192-bit
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 160 watts 150 watts
Shader Model 5.0 5.0
Bandwidth 115200 MB/sec 144000 MB/sec
Texel Rate 37800 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 21960 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Comments

One Response to “GeForce GTX 460 1GB vs GeForce GTX 660 Ti”
[...] Re: Dudas con algunas Tarjetas En cuanto a consumo de energia la 660 consume menos de las 3 y si hay una notable diferencia entre cada una de ellas te dejo un link para que veas el rendimiento GeForce GTX 460 1GB vs GeForce GTX 660 Ti – Performance Comparison Benchmarks @ Hardware Compa... [...]

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