GeForce GT 130 vs Radeon HD 7750

Intro

Compare all that to the Radeon HD 7750, which comes with GPU clock speed of 800 MHz, and 1024 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also features 512 Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750		55 Watts
GeForce GT 130		75 Watts
	Difference: 20 Watts (36%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7750 should in theory be a lot better than the GeForce GT 130 in general. (explain)

Radeon HD 7750		72000 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 60000 (500%)

Texel Rate

The Radeon HD 7750 will be a lot (about 113%) more effective at anisotropic filtering than the GeForce GT 130. (explain)

Radeon HD 7750		25600 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 13600 (113%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 7750 is superior to the GeForce GT 130, by far. (explain)

Radeon HD 7750		12800 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 4800 (60%)

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 (counted in MB per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour 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 many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.