GeForce GTX 1080 vs Geforce GTX 780

Intro

Compare those specifications to the Geforce GTX 780, which comes with GPU core speed of 863 MHz, and 3072 MB of GDDR5 memory running at 1502 MHz through a 384-bit bus. It also is made up of 2304 SPUs, 192 TAUs, and 48 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 780		10082 points
	Difference: 11860 (118%)

Ethereum Mining Hash Rate

GeForce GTX 1080		20 Mh/s
Geforce GTX 780		20 Mh/s
	Difference: 0 (0%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080		180 Watts
Geforce GTX 780		250 Watts
	Difference: 70 Watts (39%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1080 should be 14% faster than the Geforce GTX 780 in general, due to its greater bandwidth. (explain)

GeForce GTX 1080		327680 MB/sec
Geforce GTX 780		288384 MB/sec
	Difference: 39296 (14%)

Texel Rate

The GeForce GTX 1080 is much (approximately 55%) more effective at AF than the Geforce GTX 780. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Geforce GTX 780		165696 Mtexels/sec
	Difference: 91424 (55%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 1080 is a better choice, by a large margin. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Geforce GTX 780		41424 Mpixels/sec
	Difference: 61424 (148%)

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 data (measured in MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 applied per second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. 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 also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.