GeForce GTX 950M vs Radeon HD 6750

Intro

Compare those specs to the Radeon HD 6750, which comes with GPU clock speed of 725 MHz, and 512 MB of GDDR5 memory running at 1000 MHz through a 128-bit bus. It also is made up of 720 Stream Processors, 36 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M		55 Watts
Radeon HD 6750		86 Watts
	Difference: 31 Watts (56%)

Memory Bandwidth

In theory, the Radeon HD 6750 should be a lot faster than the GeForce GTX 950M overall. (explain)

Radeon HD 6750		64000 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 32000 (100%)

Texel Rate

The GeForce GTX 950M will be quite a bit (approximately 40%) faster with regards to anisotropic filtering than the Radeon HD 6750. (explain)

GeForce GTX 950M		36560 Mtexels/sec
Radeon HD 6750		26100 Mtexels/sec
	Difference: 10460 (40%)

Pixel Rate

The GeForce GTX 950M will be a lot (about 26%) better at FSAA than the Radeon HD 6750, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 950M		14624 Mpixels/sec
Radeon HD 6750		11600 Mpixels/sec
	Difference: 3024 (26%)

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 maximum amount of information (measured in MB per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.