GeForce GTX 590 vs Radeon HD 5750 512MB

Intro

Compare that to the Radeon HD 5750 512MB, which has a clock speed of 700 MHz and a GDDR5 memory frequency of 1150 MHz. It also uses a 128-bit memory bus, and uses a 40 nm design. It is comprised of 720(144x5) SPUs, 36 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB		86 Watts
GeForce GTX 590		365 Watts
	Difference: 279 Watts (324%)

Memory Bandwidth

Performance-wise, the GeForce GTX 590 should in theory be quite a bit superior to the Radeon HD 5750 512MB overall. (explain)

GeForce GTX 590		328320 MB/sec
Radeon HD 5750 512MB		73600 MB/sec
	Difference: 254720 (346%)

Texel Rate

The GeForce GTX 590 should be quite a bit (more or less 208%) more effective at anisotropic filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 590		77696 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 52496 (208%)

Pixel Rate

The GeForce GTX 590 is much (approximately 420%) faster with regards to FSAA than the Radeon HD 5750 512MB, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 590		58272 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 47072 (420%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR memory, the result should 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 amount of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video 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 chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.