GeForce 8600 GT 512MB DDR2 vs Radeon RX 560

Intro

Compare those specifications to the Radeon RX 560, which has a core clock speed of 1175 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 128-bit memory bus, and makes use of a 14 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 16 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 560		80 Watts
	Difference: 33 Watts (70%)

Memory Bandwidth

In theory, the Radeon RX 560 should be a lot faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Radeon RX 560		114688 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 101888 (796%)

Texel Rate

The Radeon RX 560 is a lot (approximately 770%) faster with regards to AF than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 560		75200 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 66560 (770%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 560 is a better choice, and very much so. (explain)

Radeon RX 560		18800 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 14480 (335%)

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 max amount of data (counted in MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.