GeForce 8600 GT 512MB DDR2 vs Radeon RX 6600 XT

Intro

Compare those specifications to the Radeon RX 6600 XT, which features a clock speed of 1968 MHz and a GDDR6 memory speed of 2000 MHz. It also features a 128-bit bus, and makes use of a 7 nm design. It is made up of 2048 SPUs, 128 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2		47 Watts
Radeon RX 6600 XT		160 Watts
	Difference: 113 Watts (240%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6600 XT should theoretically be much superior to the GeForce 8600 GT 512MB DDR2 in general. (explain)

Radeon RX 6600 XT		262144 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 249344 (1948%)

Texel Rate

The Radeon RX 6600 XT should be much (about 2816%) faster with regards to anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 6600 XT		251904 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 243264 (2816%)

Pixel Rate

The Radeon RX 6600 XT will be a lot (approximately 2816%) more effective at anti-aliasing than the GeForce 8600 GT 512MB DDR2, and also able to handle higher resolutions better. (explain)

Radeon RX 6600 XT		125952 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 121632 (2816%)

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 (in units of MB per second) that can be moved across the external memory interface in one 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 better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high 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 amount of texture units of the card by the core 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.