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GeForce GTX 460 2GB vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 460 2GB uses a 40 nm design. nVidia has set the core frequency at 675 MHz. The GDDR5 RAM works at a speed of 900 MHz on this card. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the GeForce GTX 650 Ti 2GB, which features a GPU core clock speed of 928 MHz, and 2048 MB of GDDR5 memory running at 1350 MHz through a 128-bit bus. It also features 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 50 Watts (45%)

Memory Bandwidth

Theoretically, the GeForce GTX 460 2GB should be much faster than the GeForce GTX 650 Ti 2GB in general. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 28800 (33%)

Texel Rate

The GeForce GTX 650 Ti 2GB should be quite a bit (more or less 57%) better at texture filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 21592 (57%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 460 2GB is superior to the GeForce GTX 650 Ti 2GB, by far. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 6752 (45%)

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 2GB

Amazon.com

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GeForce GTX 650 Ti 2GB

Amazon.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

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Model GeForce GTX 460 2GB GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year July 2010 October 2012
Code Name GF104 GK106
Memory 2048 MB 2048 MB
Core Speed 675 MHz 928 MHz
Memory Speed 3600 MHz 5400 MHz
Power (Max TDP) 160 watts 110 watts
Bandwidth 115200 MB/sec 86400 MB/sec
Texel Rate 37800 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 336 768
Texture Mapping Units 56 64
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 2540 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 largest amount of information (counted in megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling 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 the local memory per second - measured in millions of pixels per second. Pixel rate is worked out 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 460 2GB

Amazon.com

Check prices at:

GeForce GTX 650 Ti 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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