GeForce GTX 460 1GB vs GeForce GTX 960

Intro

Compare those specs to the GeForce GTX 960, which comes with clock speeds of 1127 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 RAM. It features 1024 SPUs along with 64 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960		120 Watts
GeForce GTX 460 1GB		160 Watts
	Difference: 40 Watts (33%)

Memory Bandwidth

In theory, the GeForce GTX 460 1GB should perform a little bit faster than the GeForce GTX 960 overall. (explain)

GeForce GTX 460 1GB		115200 MB/sec
GeForce GTX 960		112000 MB/sec
	Difference: 3200 (3%)

Texel Rate

The GeForce GTX 960 is quite a bit (about 91%) better at texture filtering than the GeForce GTX 460 1GB. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GTX 460 1GB		37800 Mtexels/sec
	Difference: 34328 (91%)

Pixel Rate

The GeForce GTX 960 is quite a bit (about 67%) better at anti-aliasing than the GeForce GTX 460 1GB, and also able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GTX 460 1GB		21600 Mpixels/sec
	Difference: 14464 (67%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per 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. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.