GeForce 8500 GT vs GeForce 9600 GSO ASUS 512

Intro

Compare all that to the GeForce 9600 GSO ASUS 512, which has GPU clock speed of 550 MHz, and 512 MB of DDR2 memory running at 500 MHz through a 128-bit bus. It also is comprised of 96 SPUs, 48 TAUs, and 12 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8500 GT		45 Watts
GeForce 9600 GSO ASUS 512		84 Watts
	Difference: 39 Watts (87%)

Memory Bandwidth

As far as performance goes, the GeForce 9600 GSO ASUS 512 should in theory be quite a bit better than the GeForce 8500 GT overall. (explain)

GeForce 9600 GSO ASUS 512		16000 MB/sec
GeForce 8500 GT		12800 MB/sec
	Difference: 3200 (25%)

Texel Rate

The GeForce 9600 GSO ASUS 512 will be quite a bit (more or less 633%) better at texture filtering than the GeForce 8500 GT. (explain)

GeForce 9600 GSO ASUS 512		26400 Mtexels/sec
GeForce 8500 GT		3600 Mtexels/sec
	Difference: 22800 (633%)

Pixel Rate

The GeForce 9600 GSO ASUS 512 should be quite a bit (about 267%) faster with regards to AA than the GeForce 8500 GT, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce 9600 GSO ASUS 512		6600 Mpixels/sec
GeForce 8500 GT		1800 Mpixels/sec
	Difference: 4800 (267%)

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 moved across the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the 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 number of pixels the graphics card can 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 colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called 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 get to the max fill rate.