GeForce GTX 275 vs GeForce GTX 960

Intro

Compare those specifications to the GeForce GTX 960, which has a clock speed of 1127 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 1024 SPUs, 64 TAUs, 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 275		219 Watts
	Difference: 99 Watts (83%)

Memory Bandwidth

The GeForce GTX 275 should in theory perform a little bit faster than the GeForce GTX 960 in general. (explain)

GeForce GTX 275		127008 MB/sec
GeForce GTX 960		112000 MB/sec
	Difference: 15008 (13%)

Texel Rate

The GeForce GTX 960 should be much (more or less 42%) faster with regards to anisotropic filtering than the GeForce GTX 275. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GTX 275		50640 Mtexels/sec
	Difference: 21488 (42%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 960 is superior to the GeForce GTX 275, by far. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GTX 275		17724 Mpixels/sec
	Difference: 18340 (103%)

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 maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen 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 speed of the chip. The better 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 most pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.