GeForce GT 130 vs Radeon RX 470

Intro

Compare those specs to the Radeon RX 470, which comes with clock speeds of 926 MHz on the GPU, and 1650 MHz on the 8192 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 130		75 Watts
Radeon RX 470		120 Watts
	Difference: 45 Watts (60%)

Memory Bandwidth

In theory, the Radeon RX 470 should be much faster than the GeForce GT 130 overall. (explain)

Radeon RX 470		211200 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 199200 (1660%)

Texel Rate

The Radeon RX 470 will be quite a bit (approximately 888%) more effective at AF than the GeForce GT 130. (explain)

Radeon RX 470		118528 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 106528 (888%)

Pixel Rate

The Radeon RX 470 will be quite a bit (more or less 270%) faster with regards to anti-aliasing than the GeForce GT 130, and also will be able to handle higher resolutions while still performing well. (explain)

Radeon RX 470		29632 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 21632 (270%)

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 (in units of megabytes per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.