GeForce GTX 460 1GB vs GeForce GTX 960

Intro

Compare that to the GeForce GTX 960, which has a GPU core clock speed of 1127 MHz, and 2048 MB of GDDR5 memory running at 1750 MHz through a 128-bit bus. It also features 1024 Stream Processors, 64 Texture Address Units, and 32 Raster Operation Units.

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

Theoretically speaking, the GeForce GTX 460 1GB should perform a small 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 much (about 91%) more effective 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 a lot (approximately 67%) better at anti-aliasing than the GeForce GTX 460 1GB, and should be able to handle higher screen resolutions without losing too much performance. (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: Bandwidth is the max amount of information (in units of MB per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its 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 the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.