GeForce GT 430 1GB vs Radeon RX 580

Intro

Compare those specs to the Radeon RX 580, which has clock speeds of 1257 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 RAM. It features 2304 SPUs as well as 144 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB		60 Watts
Radeon RX 580		185 Watts
	Difference: 125 Watts (208%)

Memory Bandwidth

In theory, the Radeon RX 580 will be 810% faster than the GeForce GT 430 1GB overall, because of its greater bandwidth. (explain)

Radeon RX 580		262144 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 233344 (810%)

Texel Rate

The Radeon RX 580 will be much (more or less 1516%) faster with regards to anisotropic filtering than the GeForce GT 430 1GB. (explain)

Radeon RX 580		181008 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 169808 (1516%)

Pixel Rate

The Radeon RX 580 will be a lot (approximately 1337%) more effective at full screen anti-aliasing than the GeForce GT 430 1GB, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon RX 580		40224 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 37424 (1337%)

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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics 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 amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.