GeForce GTX 950M vs Radeon HD 3470 512MB

Intro

Compare all that to the Radeon HD 3470 512MB, which features clock speeds of 800 MHz on the GPU, and 950 MHz on the 512 MB of GDDR3 RAM. It features 40(8x5) SPUs as well as 4 TAUs and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 950M should be a little bit faster than the Radeon HD 3470 512MB overall. (explain)

GeForce GTX 950M		32000 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 1600 (5%)

Texel Rate

The GeForce GTX 950M should be quite a bit (about 1043%) more effective at texture filtering than the Radeon HD 3470 512MB. (explain)

GeForce GTX 950M		36560 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 33360 (1043%)

Pixel Rate

The GeForce GTX 950M should be quite a bit (more or less 357%) more effective at anti-aliasing than the Radeon HD 3470 512MB, and also able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 950M		14624 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 11424 (357%)

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 information (counted in MB per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.