GeForce GTX 285 2GB vs Geforce GTX 760

Intro

Compare that to the Geforce GTX 760, which has GPU core speed of 980 MHz, and 2048 MB of GDDR5 RAM set to run at 1502 MHz through a 256-bit bus. It also is made up of 1152 Stream Processors, 96 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760		170 Watts
GeForce GTX 285 2GB		204 Watts
	Difference: 34 Watts (20%)

Memory Bandwidth

The Geforce GTX 760 should in theory be a lot faster than the GeForce GTX 285 2GB in general. (explain)

Geforce GTX 760		192256 MB/sec
GeForce GTX 285 2GB		158976 MB/sec
	Difference: 33280 (21%)

Texel Rate

The Geforce GTX 760 will be quite a bit (about 81%) better at texture filtering than the GeForce GTX 285 2GB. (explain)

Geforce GTX 760		94080 Mtexels/sec
GeForce GTX 285 2GB		51840 Mtexels/sec
	Difference: 42240 (81%)

Pixel Rate

The Geforce GTX 760 will be a lot (more or less 51%) faster with regards to full screen anti-aliasing than the GeForce GTX 285 2GB, and also able to handle higher resolutions better. (explain)

Geforce GTX 760		31360 Mpixels/sec
GeForce GTX 285 2GB		20736 Mpixels/sec
	Difference: 10624 (51%)

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 data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 number of texture map elements (texels) that are processed in one second. This number 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels 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 Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.