GeForce GT 430 vs GeForce GTS 150

Intro

Compare those specs to the GeForce GTS 150, which uses a 55 nm design. nVidia has clocked the core speed at 740 MHz. The GDDR3 RAM works at a speed of 500 MHz on this model. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430		60 Watts
GeForce GTS 150		141 Watts
	Difference: 81 Watts (135%)

Memory Bandwidth

The GeForce GTS 150, in theory, should perform a small bit faster than the GeForce GT 430 overall. (explain)

GeForce GTS 150		32000 MB/sec
GeForce GT 430		28800 MB/sec
	Difference: 3200 (11%)

Texel Rate

The GeForce GTS 150 should be much (more or less 323%) better at anisotropic filtering than the GeForce GT 430. (explain)

GeForce GTS 150		47360 Mtexels/sec
GeForce GT 430		11200 Mtexels/sec
	Difference: 36160 (323%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTS 150 is a better choice, and very much so. (explain)

GeForce GTS 150		11840 Mpixels/sec
GeForce GT 430		2800 Mpixels/sec
	Difference: 9040 (323%)

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 max amount of data (counted in MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the 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 amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could 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 Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.