GeForce GT 130 vs GeForce GTX 750 Ti

Intro

Compare those specs to the GeForce GTX 750 Ti, which comes with GPU clock speed of 1020 MHz, and 2048 MB of GDDR5 RAM running at 1350 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti		60 Watts
GeForce GT 130		75 Watts
	Difference: 15 Watts (25%)

Memory Bandwidth

The GeForce GTX 750 Ti should in theory perform a lot faster than the GeForce GT 130 in general. (explain)

GeForce GTX 750 Ti		86400 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 74400 (620%)

Texel Rate

The GeForce GTX 750 Ti will be a lot (about 240%) better at anisotropic filtering than the GeForce GT 130. (explain)

GeForce GTX 750 Ti		40800 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 28800 (240%)

Pixel Rate

The GeForce GTX 750 Ti is a lot (approximately 104%) more effective at anti-aliasing than the GeForce GT 130, and also will be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 750 Ti		16320 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 8320 (104%)

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 (counted in MB per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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