GeForce 8600 GT 512MB DDR2 vs GeForce RTX 2080

Intro

Compare those specs to the GeForce RTX 2080, which features clock speeds of 1515 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 RAM. It features 2944 SPUs as well as 184 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2		47 Watts
GeForce RTX 2080		215 Watts
	Difference: 168 Watts (357%)

Memory Bandwidth

Theoretically, the GeForce RTX 2080 should be quite a bit faster than the GeForce 8600 GT 512MB DDR2 in general. (explain)

GeForce RTX 2080		458752 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 445952 (3484%)

Texel Rate

The GeForce RTX 2080 is quite a bit (more or less 3126%) better at anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce RTX 2080		278760 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 270120 (3126%)

Pixel Rate

The GeForce RTX 2080 will be quite a bit (about 2144%) faster with regards to anti-aliasing than the GeForce 8600 GT 512MB DDR2, and also should be capable of handling higher resolutions better. (explain)

GeForce RTX 2080		96960 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 92640 (2144%)

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 information (counted in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. 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 faster 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 are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of 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 number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.