GeForce GT 240 GDDR5 vs GeForce GT 430 (OEM)

Intro

Compare all that to the GeForce GT 430 (OEM), which has GPU core speed of 700 MHz, and 2048 MB of GDDR3 RAM set to run at 900 MHz through a 128-bit bus. It also is made up of 96 Stream Processors, 16 Texture Address Units, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM)		60 Watts
GeForce GT 240 GDDR5		70 Watts
	Difference: 10 Watts (17%)

Memory Bandwidth

In theory, the GeForce GT 240 GDDR5 should be 89% quicker than the GeForce GT 430 (OEM) in general, due to its higher bandwidth. (explain)

GeForce GT 240 GDDR5		54400 MB/sec
GeForce GT 430 (OEM)		28800 MB/sec
	Difference: 25600 (89%)

Texel Rate

The GeForce GT 240 GDDR5 is a lot (about 57%) better at AF than the GeForce GT 430 (OEM). (explain)

GeForce GT 240 GDDR5		17600 Mtexels/sec
GeForce GT 430 (OEM)		11200 Mtexels/sec
	Difference: 6400 (57%)

Pixel Rate

The GeForce GT 240 GDDR5 should be a lot (about 57%) better at AA than the GeForce GT 430 (OEM), and should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GT 240 GDDR5		4400 Mpixels/sec
GeForce GT 430 (OEM)		2800 Mpixels/sec
	Difference: 1600 (57%)

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 information (measured in megabytes per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 applied per second. This figure is calculated by multiplying the total amount of texture units 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 applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel 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 ability to get to the maximum fill rate.