GeForce 9600 GSO 768MB vs GeForce GTX 650 Ti

Intro

Compare all of that to the GeForce GTX 650 Ti, which comes with a core clock frequency of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It features 768 SPUs, 64 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB		84 Watts
GeForce GTX 650 Ti		110 Watts
	Difference: 26 Watts (31%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti is 125% quicker than the GeForce 9600 GSO 768MB in general, due to its higher data rate. (explain)

GeForce GTX 650 Ti		86400 MB/sec
GeForce 9600 GSO 768MB		38400 MB/sec
	Difference: 48000 (125%)

Texel Rate

The GeForce GTX 650 Ti is quite a bit (more or less 125%) more effective at texture filtering than the GeForce 9600 GSO 768MB. (explain)

GeForce GTX 650 Ti		59392 Mtexels/sec
GeForce 9600 GSO 768MB		26400 Mtexels/sec
	Difference: 32992 (125%)

Pixel Rate

The GeForce GTX 650 Ti should be much (about 125%) more effective at FSAA than the GeForce 9600 GSO 768MB, and should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 650 Ti		14848 Mpixels/sec
GeForce 9600 GSO 768MB		6600 Mpixels/sec
	Difference: 8248 (125%)

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 data (in units of megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's 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 texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs 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 output 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 maximum fill rate.