GeForce GTX 950 vs Radeon HD 5750 512MB

Intro

Compare those specifications to the Radeon HD 5750 512MB, which has a clock frequency of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also makes use of a 128-bit bus, and makes use of a 40 nm design. It is made up 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 950		90 Watts
	Difference: 4 Watts (5%)

Memory Bandwidth

Performance-wise, the GeForce GTX 950 should theoretically be much better than the Radeon HD 5750 512MB in general. (explain)

GeForce GTX 950		105728 MB/sec
Radeon HD 5750 512MB		73600 MB/sec
	Difference: 32128 (44%)

Texel Rate

The GeForce GTX 950 is much (about 95%) better at anisotropic filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 950		49152 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 23952 (95%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 950 is the winner, by far. (explain)

GeForce GTX 950		32768 Mpixels/sec
Radeon HD 5750 512MB		11200 Mpixels/sec
	Difference: 21568 (193%)

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 maximum amount of information (in units of megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 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 AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.