GeForce GT 130 vs Radeon RX 580

Intro

Compare those specifications to the Radeon RX 580, which comes with a GPU core clock speed of 1257 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also features 2304 SPUs, 144 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 130		75 Watts
Radeon RX 580		185 Watts
	Difference: 110 Watts (147%)

Memory Bandwidth

The Radeon RX 580, in theory, should be much faster than the GeForce GT 130 overall. (explain)

Radeon RX 580		262144 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 250144 (2085%)

Texel Rate

The Radeon RX 580 will be quite a bit (about 1408%) better at texture filtering than the GeForce GT 130. (explain)

Radeon RX 580		181008 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 169008 (1408%)

Pixel Rate

The Radeon RX 580 will be a lot (more or less 403%) more effective at AA than the GeForce GT 130, and also should be capable of handling higher screen resolutions better. (explain)

Radeon RX 580		40224 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 32224 (403%)

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 largest amount of information (counted in MB per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill 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 reach the max fill rate.