GeForce GT 430 (OEM) vs GeForce GTX 660

Intro

Compare all that to the GeForce GTX 660, which uses a 28 nm design. nVidia has set the core speed at 980 MHz. The GDDR5 memory is set to run at a frequency of 1502 MHz on this card. It features 960 SPUs along with 80 Texture Address Units and 24 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM)		60 Watts
GeForce GTX 660		140 Watts
	Difference: 80 Watts (133%)

Memory Bandwidth

Theoretically, the GeForce GTX 660 should perform a lot faster than the GeForce GT 430 (OEM) overall. (explain)

GeForce GTX 660		144192 MB/sec
GeForce GT 430 (OEM)		28800 MB/sec
	Difference: 115392 (401%)

Texel Rate

The GeForce GTX 660 is much (about 600%) faster with regards to AF than the GeForce GT 430 (OEM). (explain)

GeForce GTX 660		78400 Mtexels/sec
GeForce GT 430 (OEM)		11200 Mtexels/sec
	Difference: 67200 (600%)

Pixel Rate

The GeForce GTX 660 will be quite a bit (more or less 740%) better at FSAA than the GeForce GT 430 (OEM), and also will be able to handle higher resolutions more effectively. (explain)

GeForce GTX 660		23520 Mpixels/sec
GeForce GT 430 (OEM)		2800 Mpixels/sec
	Difference: 20720 (740%)

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 (in units of megabytes per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once 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 texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated 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 lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.