GeForce 8600 GT 512MB DDR2 vs GeForce GTX 560 Ti 448

Intro

Compare those specs to the GeForce GTX 560 Ti 448, which has GPU clock speed of 732 MHz, and 1280 MB of GDDR5 RAM running at 900 MHz through a 320-bit bus. It also features 448 Stream Processors, 56 TAUs, and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2		47 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 163 Watts (347%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti 448 will be 1025% faster than the GeForce 8600 GT 512MB DDR2 overall, because of its higher data rate. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 131200 (1025%)

Texel Rate

The GeForce GTX 560 Ti 448 will be much (more or less 374%) better at AF than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 32352 (374%)

Pixel Rate

The GeForce GTX 560 Ti 448 should be quite a bit (more or less 578%) better at full screen anti-aliasing than the GeForce 8600 GT 512MB DDR2, and capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 24960 (578%)

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 maximum amount of data (measured in MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it must 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 high 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 number of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.