GeForce 8600 GT 1GB GDDR3 vs Radeon RX 560

Intro

Compare that to the Radeon RX 560, which makes use of a 14 nm design. AMD has clocked the core speed at 1175 MHz. The GDDR5 memory is set to run at a speed of 1750 MHz on this model. It features 1024 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3		47 Watts
Radeon RX 560		80 Watts
	Difference: 33 Watts (70%)

Memory Bandwidth

Performance-wise, the Radeon RX 560 should theoretically be much superior to the GeForce 8600 GT 1GB GDDR3 overall. (explain)

Radeon RX 560		114688 MB/sec
GeForce 8600 GT 1GB GDDR3		22400 MB/sec
	Difference: 92288 (412%)

Texel Rate

The Radeon RX 560 will be much (approximately 770%) faster with regards to texture filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

Radeon RX 560		75200 Mtexels/sec
GeForce 8600 GT 1GB GDDR3		8640 Mtexels/sec
	Difference: 66560 (770%)

Pixel Rate

The Radeon RX 560 is quite a bit (more or less 335%) more effective at anti-aliasing than the GeForce 8600 GT 1GB GDDR3, and also should be able to handle higher resolutions better. (explain)

Radeon RX 560		18800 Mpixels/sec
GeForce 8600 GT 1GB GDDR3		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 (measured in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 can be applied in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.