GeForce GTS 150 vs GeForce GTX 590

Intro

Compare that to the GeForce GTX 590, which uses a 40 nm design. nVidia has set the core frequency at 607 MHz. The GDDR5 RAM runs at a frequency of 855 MHz on this specific model. It features 512 SPUs as well as 64 TAUs and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 150		141 Watts
GeForce GTX 590		365 Watts
	Difference: 224 Watts (159%)

Memory Bandwidth

The GeForce GTX 590 should in theory be much faster than the GeForce GTS 150 overall. (explain)

GeForce GTX 590		328320 MB/sec
GeForce GTS 150		32000 MB/sec
	Difference: 296320 (926%)

Texel Rate

The GeForce GTX 590 will be a lot (about 64%) better at anisotropic filtering than the GeForce GTS 150. (explain)

GeForce GTX 590		77696 Mtexels/sec
GeForce GTS 150		47360 Mtexels/sec
	Difference: 30336 (64%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 590 is superior to the GeForce GTS 150, by far. (explain)

GeForce GTX 590		58272 Mpixels/sec
GeForce GTS 150		11840 Mpixels/sec
	Difference: 46432 (392%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory 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 bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the 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 texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The number 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 outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many 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.