GeForce GTX 870M vs Radeon HD 5750 512MB

Intro

Compare those specifications to the Radeon HD 5750 512MB, which makes use of a 40 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 RAM works at a frequency of 1150 MHz on this card. It features 720(144x5) SPUs as well as 36 Texture Address Units and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB		86 Watts
GeForce GTX 870M		110 Watts
	Difference: 24 Watts (28%)

Memory Bandwidth

Theoretically, the GeForce GTX 870M should be much faster than the Radeon HD 5750 512MB in general. (explain)

GeForce GTX 870M		96000 MB/sec
Radeon HD 5750 512MB		73600 MB/sec
	Difference: 22400 (30%)

Texel Rate

The GeForce GTX 870M will be quite a bit (approximately 318%) faster with regards to texture filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 870M		105392 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 80192 (318%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 870M is superior to the Radeon HD 5750 512MB, and very much so. (explain)

GeForce GTX 870M		22584 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 11384 (102%)

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 max amount of information (counted in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.