GeForce 930M vs Radeon HD 6750 1GB

Intro

Compare that to the Radeon HD 6750 1GB, which has GPU core speed of 725 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also is made up of 720 SPUs, 36 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 6750 1GB should be much faster than the GeForce 930M overall. (explain)

Radeon HD 6750 1GB		64000 MB/sec
GeForce 930M		14400 MB/sec
	Difference: 49600 (344%)

Texel Rate

The Radeon HD 6750 1GB will be a small bit (approximately 17%) better at anisotropic filtering than the GeForce 930M. (explain)

Radeon HD 6750 1GB		26100 Mtexels/sec
GeForce 930M		22272 Mtexels/sec
	Difference: 3828 (17%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 6750 1GB is the winner, by a large margin. (explain)

Radeon HD 6750 1GB		11600 Mpixels/sec
GeForce 930M		7424 Mpixels/sec
	Difference: 4176 (56%)

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 information (in units of megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 maximum number of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.