GeForce GT 130 vs Radeon R9 270

Intro

Compare all of that to the Radeon R9 270, which comes with GPU core speed of 900 MHz, and 2048 MB of GDDR5 memory running at 1400 MHz through a 256-bit bus. It also is comprised of 1280 Stream Processors, 80 Texture Address Units, 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 R9 270		150 Watts
	Difference: 75 Watts (100%)

Memory Bandwidth

Performance-wise, the Radeon R9 270 should theoretically be a lot superior to the GeForce GT 130 overall. (explain)

Radeon R9 270		179200 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 167200 (1393%)

Texel Rate

The Radeon R9 270 should be much (about 500%) more effective at anisotropic filtering than the GeForce GT 130. (explain)

Radeon R9 270		72000 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 60000 (500%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 270 is superior to the GeForce GT 130, and very much so. (explain)

Radeon R9 270		28800 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 20800 (260%)

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 data (counted in MB per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses 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 amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the 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 maximum amount of pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.