GeForce GTX 960 vs Radeon HD 6750 1GB

Intro

Compare those specifications to the Radeon HD 6750 1GB, which uses a 40 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this specific model. It features 720 SPUs as well as 36 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 1GB		86 Watts
GeForce GTX 960		120 Watts
	Difference: 34 Watts (40%)

Memory Bandwidth

In theory, the GeForce GTX 960 will be 75% quicker than the Radeon HD 6750 1GB in general, due to its greater data rate. (explain)

GeForce GTX 960		112000 MB/sec
Radeon HD 6750 1GB		64000 MB/sec
	Difference: 48000 (75%)

Texel Rate

The GeForce GTX 960 should be quite a bit (more or less 176%) better at anisotropic filtering than the Radeon HD 6750 1GB. (explain)

GeForce GTX 960		72128 Mtexels/sec
Radeon HD 6750 1GB		26100 Mtexels/sec
	Difference: 46028 (176%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 960 is the winner, by far. (explain)

GeForce GTX 960		36064 Mpixels/sec
Radeon HD 6750 1GB		11600 Mpixels/sec
	Difference: 24464 (211%)

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 MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock 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 lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.