GeForce GTX 950 vs Radeon HD 3470 512MB

Intro

Compare those specs to the Radeon HD 3470 512MB, which has GPU clock speed of 800 MHz, and 512 MB of GDDR3 memory running at 950 MHz through a 128-bit bus. It also is comprised of 40(8x5) SPUs, 4 Texture Address Units, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 950, in theory, should perform much faster than the Radeon HD 3470 512MB in general. (explain)

GeForce GTX 950		105728 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 75328 (248%)

Texel Rate

The GeForce GTX 950 is much (approximately 1436%) more effective at AF than the Radeon HD 3470 512MB. (explain)

GeForce GTX 950		49152 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 45952 (1436%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 950 is superior to the Radeon HD 3470 512MB, by a large margin. (explain)

GeForce GTX 950		32768 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 29568 (924%)

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 maximum amount of data (counted in MB per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock 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 number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.