GeForce GTX 750 Ti vs Radeon HD 3470 512MB

Intro

Compare those specifications to the Radeon HD 3470 512MB, which has a GPU core clock speed of 800 MHz, and 512 MB of GDDR3 memory running at 950 MHz through a 128-bit bus. It also features 40(8x5) Stream Processors, 4 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 750 Ti should perform a lot faster than the Radeon HD 3470 512MB overall. (explain)

GeForce GTX 750 Ti		86400 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 56000 (184%)

Texel Rate

The GeForce GTX 750 Ti will be a lot (about 1175%) more effective at texture filtering than the Radeon HD 3470 512MB. (explain)

GeForce GTX 750 Ti		40800 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 37600 (1175%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 750 Ti is a better choice, and very much so. (explain)

GeForce GTX 750 Ti		16320 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 13120 (410%)

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 max amount of information (in units of MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher 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 could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.