GeForce GTX 980M vs Radeon HD 3470 512MB

Intro

Compare all of that to the Radeon HD 3470 512MB, which features 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) Stream Processors, 4 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 980M should theoretically be a lot superior to the Radeon HD 3470 512MB in general. (explain)

GeForce GTX 980M		128000 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 97600 (321%)

Texel Rate

The GeForce GTX 980M is much (about 3014%) more effective at AF than the Radeon HD 3470 512MB. (explain)

GeForce GTX 980M		99648 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 96448 (3014%)

Pixel Rate

The GeForce GTX 980M will be much (about 1976%) better at FSAA than the Radeon HD 3470 512MB, and also able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 980M		66432 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 63232 (1976%)

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 (measured in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.