GeForce GTS 150 vs GeForce GTX 960

Intro

Compare all of that to the GeForce GTX 960, which features a clock speed of 1127 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 1024 SPUs, 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 GTS 150		141 Watts
	Difference: 21 Watts (18%)

Memory Bandwidth

The GeForce GTX 960, in theory, should perform much faster than the GeForce GTS 150 overall. (explain)

GeForce GTX 960		112000 MB/sec
GeForce GTS 150		32000 MB/sec
	Difference: 80000 (250%)

Texel Rate

The GeForce GTX 960 should be a lot (about 52%) better at AF than the GeForce GTS 150. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GTS 150		47360 Mtexels/sec
	Difference: 24768 (52%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 960 is superior to the GeForce GTS 150, and very much so. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GTS 150		11840 Mpixels/sec
	Difference: 24224 (205%)

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 MB per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends 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 maximum fill rate.