GeForce GTX 980M vs Radeon HD 5750 512MB

Intro

Compare all that to the Radeon HD 5750 512MB, which features a GPU core clock speed of 700 MHz, and 512 MB of GDDR5 memory set to run at 1150 MHz through a 128-bit bus. It also features 720(144x5) SPUs, 36 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB		86 Watts
GeForce GTX 980M		100 Watts
	Difference: 14 Watts (16%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 980M should be a lot faster than the Radeon HD 5750 512MB overall. (explain)

GeForce GTX 980M		128000 MB/sec
Radeon HD 5750 512MB		73600 MB/sec
	Difference: 54400 (74%)

Texel Rate

The GeForce GTX 980M is a lot (more or less 295%) faster with regards to anisotropic filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 980M		99648 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 74448 (295%)

Pixel Rate

The GeForce GTX 980M should be much (approximately 493%) better at anti-aliasing than the Radeon HD 5750 512MB, and will be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 980M		66432 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 55232 (493%)

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 MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has 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 better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units 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 lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.