Geforce GTX 1080 Ti vs Geforce GTX 780

Intro

Compare those specifications to the Geforce GTX 780, which features a core clock frequency of 863 MHz and a GDDR5 memory speed of 1502 MHz. It also uses a 384-bit bus, and uses a 28 nm design. It features 2304 SPUs, 192 TAUs, and 48 Raster Operation Units.

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 Ti		27629 points
Geforce GTX 780		10082 points
	Difference: 17547 (174%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Performance-wise, the Geforce GTX 1080 Ti should in theory be a lot superior to the Geforce GTX 780 overall. (explain)

Geforce GTX 1080 Ti		495616 MB/sec
Geforce GTX 780		288384 MB/sec
	Difference: 207232 (72%)

Texel Rate

The Geforce GTX 1080 Ti should be much (approximately 100%) faster with regards to anisotropic filtering than the Geforce GTX 780. (explain)

Geforce GTX 1080 Ti		331520 Mtexels/sec
Geforce GTX 780		165696 Mtexels/sec
	Difference: 165824 (100%)

Pixel Rate

The Geforce GTX 1080 Ti is much (approximately 214%) more effective at FSAA than the Geforce GTX 780, and will be capable of handling higher resolutions without slowing down too much. (explain)

Geforce GTX 1080 Ti		130240 Mpixels/sec
Geforce GTX 780		41424 Mpixels/sec
	Difference: 88816 (214%)

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 largest amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR 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 calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could 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 Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.