GeForce GTX 780 Ti vs Radeon HD 6750

Intro

Compare that to the Radeon HD 6750, which features a clock speed of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 720 SPUs, 36 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750		86 Watts
GeForce GTX 780 Ti		250 Watts
	Difference: 164 Watts (191%)

Memory Bandwidth

In theory, the GeForce GTX 780 Ti is 425% quicker than the Radeon HD 6750 overall, due to its greater data rate. (explain)

GeForce GTX 780 Ti		336000 MB/sec
Radeon HD 6750		64000 MB/sec
	Difference: 272000 (425%)

Texel Rate

The GeForce GTX 780 Ti will be quite a bit (more or less 705%) better at AF than the Radeon HD 6750. (explain)

GeForce GTX 780 Ti		210000 Mtexels/sec
Radeon HD 6750		26100 Mtexels/sec
	Difference: 183900 (705%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 780 Ti is superior to the Radeon HD 6750, and very much so. (explain)

GeForce GTX 780 Ti		42000 Mpixels/sec
Radeon HD 6750		11600 Mpixels/sec
	Difference: 30400 (262%)

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 transferred across the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 texture map elements (texels) that can be applied per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.