GeForce 9600 GT 512MB vs GeForce GT 240 GDDR5

Intro

Compare those specs to the GeForce GT 240 GDDR5, which features a core clock speed of 550 MHz and a GDDR5 memory frequency of 850 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It features 96 SPUs, 32 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5		70 Watts
GeForce 9600 GT 512MB		95 Watts
	Difference: 25 Watts (36%)

Memory Bandwidth

In theory, the GeForce 9600 GT 512MB should be 6% faster than the GeForce GT 240 GDDR5 overall, due to its higher data rate. (explain)

GeForce 9600 GT 512MB		57600 MB/sec
GeForce GT 240 GDDR5		54400 MB/sec
	Difference: 3200 (6%)

Texel Rate

The GeForce 9600 GT 512MB should be a bit (approximately 18%) more effective at anisotropic filtering than the GeForce GT 240 GDDR5. (explain)

GeForce 9600 GT 512MB		20800 Mtexels/sec
GeForce GT 240 GDDR5		17600 Mtexels/sec
	Difference: 3200 (18%)

Pixel Rate

The GeForce 9600 GT 512MB is much (approximately 136%) more effective at anti-aliasing than the GeForce GT 240 GDDR5, and will be capable of handling higher screen resolutions better. (explain)

GeForce 9600 GT 512MB		10400 Mpixels/sec
GeForce GT 240 GDDR5		4400 Mpixels/sec
	Difference: 6000 (136%)

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 max amount of information (measured in MB per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units of the card 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock 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 lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.