GeForce GTS 150 vs GeForce GTX 560

Intro

Compare those specifications to the GeForce GTX 560, which makes use of a 40 nm design. nVidia has set the core speed at 810 MHz. The GDDR5 RAM works at a frequency of 1001 MHz on this particular model. It features 336 SPUs as well as 56 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 150		141 Watts
GeForce GTX 560		150 Watts
	Difference: 9 Watts (6%)

Memory Bandwidth

Theoretically, the GeForce GTX 560 should be much faster than the GeForce GTS 150 overall. (explain)

GeForce GTX 560		128128 MB/sec
GeForce GTS 150		32000 MB/sec
	Difference: 96128 (300%)

Texel Rate

The GeForce GTS 150 is a bit (more or less 4%) faster with regards to anisotropic filtering than the GeForce GTX 560. (explain)

GeForce GTS 150		47360 Mtexels/sec
GeForce GTX 560		45360 Mtexels/sec
	Difference: 2000 (4%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 560 is the winner, by a large margin. (explain)

GeForce GTX 560		25920 Mpixels/sec
GeForce GTS 150		11840 Mpixels/sec
	Difference: 14080 (119%)

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 megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.