Geforce GTX 760 vs Radeon HD 6950 2GB

Intro

Compare that to the Radeon HD 6950 2GB, which has core clock speeds of 800 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 memory. It features 1408 SPUs along with 88 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760		170 Watts
Radeon HD 6950 2GB		200 Watts
	Difference: 30 Watts (18%)

Memory Bandwidth

Theoretically, the Geforce GTX 760 should be a bit faster than the Radeon HD 6950 2GB overall. (explain)

Geforce GTX 760		192256 MB/sec
Radeon HD 6950 2GB		160000 MB/sec
	Difference: 32256 (20%)

Texel Rate

The Geforce GTX 760 should be quite a bit (about 34%) faster with regards to texture filtering than the Radeon HD 6950 2GB. (explain)

Geforce GTX 760		94080 Mtexels/sec
Radeon HD 6950 2GB		70400 Mtexels/sec
	Difference: 23680 (34%)

Pixel Rate

The Geforce GTX 760 is quite a bit (approximately 23%) more effective at anti-aliasing than the Radeon HD 6950 2GB, and also should be able to handle higher resolutions without slowing down too much. (explain)

Geforce GTX 760		31360 Mpixels/sec
Radeon HD 6950 2GB		25600 Mpixels/sec
	Difference: 5760 (23%)

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 max amount of information (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.