GeForce GTX 780 Ti vs GeForce GTX 980

Intro

Compare those specifications to the GeForce GTX 980, which comes with core clock speeds of 1126 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 64 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		13552 points
GeForce GTX 780 Ti		10900 points
	Difference: 2652 (24%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980		63 FPS
GeForce GTX 780 Ti		56 FPS
	Difference: 7 (13%)

Ethereum Mining Hash Rate

GeForce GTX 980		20 Mh/s
GeForce GTX 780 Ti		19 Mh/s
	Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
GeForce GTX 780 Ti		250 Watts
	Difference: 85 Watts (52%)

Memory Bandwidth

The GeForce GTX 780 Ti, in theory, should perform a lot faster than the GeForce GTX 980 in general. (explain)

GeForce GTX 780 Ti		336000 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 112000 (50%)

Texel Rate

The GeForce GTX 780 Ti will be a lot (more or less 46%) faster with regards to AF than the GeForce GTX 980. (explain)

GeForce GTX 780 Ti		210000 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 65872 (46%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 980 is a better choice, and very much so. (explain)

GeForce GTX 980		72064 Mpixels/sec
GeForce GTX 780 Ti		42000 Mpixels/sec
	Difference: 30064 (72%)

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 largest amount of information (measured in megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.