GeForce GTX 980 Ti vs Geforce GTX 690

Intro

Compare those specifications to the Geforce GTX 690, which comes with 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 980 Ti		17120 points
Geforce GTX 690		13111 points
	Difference: 4009 (31%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 Ti		250 Watts
Geforce GTX 690		300 Watts
	Difference: 50 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 690 should be a small bit faster than the GeForce GTX 980 Ti overall. (explain)

Geforce GTX 690		384512 MB/sec
GeForce GTX 980 Ti		336000 MB/sec
	Difference: 48512 (14%)

Texel Rate

The Geforce GTX 690 will be quite a bit (more or less 33%) more effective at texture filtering than the GeForce GTX 980 Ti. (explain)

Geforce GTX 690		234240 Mtexels/sec
GeForce GTX 980 Ti		176000 Mtexels/sec
	Difference: 58240 (33%)

Pixel Rate

The GeForce GTX 980 Ti should be a lot (about 64%) faster with regards to AA than the Geforce GTX 690, and also will be capable of handling higher screen resolutions better. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
Geforce GTX 690		58560 Mpixels/sec
	Difference: 37440 (64%)

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: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 texture map elements (texels) that can be applied in one second. This figure is calculated 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 card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.