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GeForce GTX 460 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 460 has a GPU core speed of 675 MHz, and the 768 MB of GDDR5 RAM runs at 900 MHz through a 192-bit bus. It also is comprised of 336 SPUs, 56 Texture Address Units, and 24 ROPs.

Compare all that to the GeForce GTX 650 Ti 2GB, which comes with a clock speed of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also features a 128-bit memory bus, and uses a 28 nm design. It is made up of 768 SPUs, 64 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 460 150 Watts
Difference: 40 Watts (36%)

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

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

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

Pixel Rate

The GeForce GTX 460 should be just a bit (more or less 9%) faster with regards to AA than the GeForce GTX 650 Ti 2GB, and able to handle higher resolutions while still performing well. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 1352 (9%)

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

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.

Specifications

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Model GeForce GTX 460 GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year July 2010 October 2012
Code Name GF104 GK106
Memory 768 MB 2048 MB
Core Speed 675 MHz 928 MHz
Memory Speed 3600 MHz 5400 MHz
Power (Max TDP) 150 watts 110 watts
Bandwidth 86400 MB/sec 86400 MB/sec
Texel Rate 37800 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 336 768
Texture Mapping Units 56 64
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-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 (measured in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it should 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 texture map elements (texels) that are applied per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 460

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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