GeForce GTX 850M vs Radeon HD 5750 512MB

Intro

Compare that to the Radeon HD 5750 512MB, which makes use of a 40 nm design. AMD has set the core frequency at 700 MHz. The GDDR5 RAM is set to run at a frequency of 1150 MHz on this specific model. It features 720(144x5) SPUs along with 36 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M		40 Watts
Radeon HD 5750 512MB		86 Watts
	Difference: 46 Watts (115%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5750 512MB should in theory be much better than the GeForce GTX 850M in general. (explain)

Radeon HD 5750 512MB		73600 MB/sec
GeForce GTX 850M		32000 MB/sec
	Difference: 41600 (130%)

Texel Rate

The GeForce GTX 850M will be much (approximately 39%) better at anisotropic filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 850M		35040 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 9840 (39%)

Pixel Rate

The GeForce GTX 850M should be quite a bit (about 25%) faster with regards to FSAA than the Radeon HD 5750 512MB, and also capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 850M		14016 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 2816 (25%)

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 megabytes per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number 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 quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.