Geforce GTX 760 vs Radeon HD 7950 3GB

Intro

Compare that to the Radeon HD 7950 3GB, which features core clock speeds of 800 MHz on the GPU, and 1250 MHz on the 3072 MB of GDDR5 memory. It features 1792 SPUs as well as 112 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760		170 Watts
Radeon HD 7950 3GB		200 Watts
	Difference: 30 Watts (18%)

Memory Bandwidth

In theory, the Radeon HD 7950 3GB should perform quite a bit faster than the Geforce GTX 760 overall. (explain)

Radeon HD 7950 3GB		240000 MB/sec
Geforce GTX 760		192256 MB/sec
	Difference: 47744 (25%)

Texel Rate

The Geforce GTX 760 should be a little bit (about 5%) more effective at AF than the Radeon HD 7950 3GB. (explain)

Geforce GTX 760		94080 Mtexels/sec
Radeon HD 7950 3GB		89600 Mtexels/sec
	Difference: 4480 (5%)

Pixel Rate

The Geforce GTX 760 should be a lot (more or less 23%) faster with regards to FSAA than the Radeon HD 7950 3GB, and should be capable of handling higher resolutions better. (explain)

Geforce GTX 760		31360 Mpixels/sec
Radeon HD 7950 3GB		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: Bandwidth is the max amount of data (counted in MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is calculated 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. 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 many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.