Geforce GTX 670 vs Radeon HD 5750 1GB

Intro

Compare those specifications to the Radeon HD 5750 1GB, which makes use of a 40 nm design. AMD has set the core speed at 700 MHz. The GDDR5 memory runs at a frequency of 1150 MHz on this particular model. It features 720(144x5) SPUs along with 36 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB		86 Watts
Geforce GTX 670		170 Watts
	Difference: 84 Watts (98%)

Memory Bandwidth

The Geforce GTX 670, in theory, should be quite a bit faster than the Radeon HD 5750 1GB in general. (explain)

Geforce GTX 670		192000 MB/sec
Radeon HD 5750 1GB		73600 MB/sec
	Difference: 118400 (161%)

Texel Rate

The Geforce GTX 670 should be much (about 307%) faster with regards to texture filtering than the Radeon HD 5750 1GB. (explain)

Geforce GTX 670		102480 Mtexels/sec
Radeon HD 5750 1GB		25200 Mtexels/sec
	Difference: 77280 (307%)

Pixel Rate

The Geforce GTX 670 is quite a bit (about 161%) more effective at AA than the Radeon HD 5750 1GB, and should be capable of handling higher screen resolutions better. (explain)

Geforce GTX 670		29280 Mpixels/sec
Radeon HD 5750 1GB		11200 Mpixels/sec
	Difference: 18080 (161%)

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 largest amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock 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 video card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel 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.