GeForce 8600 GT 512MB DDR2 vs Radeon RX 5700 XT

Intro

Compare those specs to the Radeon RX 5700 XT, which features clock speeds of 1605 MHz on the GPU, and 1750 MHz on the 8096 MB of GDDR6 RAM. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2		47 Watts
Radeon RX 5700 XT		225 Watts
	Difference: 178 Watts (379%)

Memory Bandwidth

In theory, the Radeon RX 5700 XT will be 3484% faster than the GeForce 8600 GT 512MB DDR2 in general, due to its higher bandwidth. (explain)

Radeon RX 5700 XT		458752 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 445952 (3484%)

Texel Rate

The Radeon RX 5700 XT is quite a bit (about 2872%) more effective at AF than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 5700 XT		256800 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 248160 (2872%)

Pixel Rate

The Radeon RX 5700 XT is quite a bit (approximately 2278%) faster with regards to FSAA than the GeForce 8600 GT 512MB DDR2, and also should be able to handle higher resolutions more effectively. (explain)

Radeon RX 5700 XT		102720 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 98400 (2278%)

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 moved past the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out 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 output 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 maximum fill rate.