GeForce GTX 1080 vs Geforce GTX 690

Intro

Compare those specs to the Geforce GTX 690, which has core speeds of 915 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs along with 128 Texture Address Units and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 1080		21942 points
Geforce GTX 690		13111 points
	Difference: 8831 (67%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080		180 Watts
Geforce GTX 690		300 Watts
	Difference: 120 Watts (67%)

Memory Bandwidth

Theoretically, the Geforce GTX 690 should be a little bit faster than the GeForce GTX 1080 in general. (explain)

Geforce GTX 690		384512 MB/sec
GeForce GTX 1080		327680 MB/sec
	Difference: 56832 (17%)

Texel Rate

The GeForce GTX 1080 should be just a bit (more or less 10%) better at texture filtering than the Geforce GTX 690. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Geforce GTX 690		234240 Mtexels/sec
	Difference: 22880 (10%)

Pixel Rate

The GeForce GTX 1080 should be much (about 76%) more effective at AA than the Geforce GTX 690, and also will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Geforce GTX 690		58560 Mpixels/sec
	Difference: 44288 (76%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant 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.