GeForce GTX 980 Ti vs GeForce RTX 3070 Ti

Intro

Compare those specs to the GeForce RTX 3070 Ti, which has core speeds of 1575 MHz on the GPU, and 1188 MHz on the 8192 MB of GDDR6X memory. It features 6144 SPUs along with 192 TAUs and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 Ti		250 Watts
GeForce RTX 3070 Ti		290 Watts
	Difference: 40 Watts (16%)

Memory Bandwidth

The GeForce RTX 3070 Ti should in theory perform quite a bit faster than the GeForce GTX 980 Ti overall. (explain)

GeForce RTX 3070 Ti		622899 MB/sec
GeForce GTX 980 Ti		336000 MB/sec
	Difference: 286899 (85%)

Texel Rate

The GeForce RTX 3070 Ti should be much (approximately 72%) better at anisotropic filtering than the GeForce GTX 980 Ti. (explain)

GeForce RTX 3070 Ti		302400 Mtexels/sec
GeForce GTX 980 Ti		176000 Mtexels/sec
	Difference: 126400 (72%)

Pixel Rate

The GeForce RTX 3070 Ti will be much (approximately 58%) better at anti-aliasing than the GeForce GTX 980 Ti, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce RTX 3070 Ti		151200 Mpixels/sec
GeForce GTX 980 Ti		96000 Mpixels/sec
	Difference: 55200 (58%)

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 information (in units of MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure 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 is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.