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GeForce GTX 1080 vs GeForce GTX 780 Ti

Intro

The GeForce GTX 1080 has a GPU clock speed of 1607 MHz, and the 8192 MB of GDDR5X RAM is set to run at 1251 MHz through a 256-bit bus. It also features 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

Compare those specs to the GeForce GTX 780 Ti, which features a clock speed of 875 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 384-bit bus, and uses a 28 nm design. It features 2880 SPUs, 240 TAUs, and 48 ROPs.

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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 Ti 10900 points
Difference: 11042 (101%)

Ethereum Mining Hash Rate

GeForce GTX 1080 20 Mh/s
GeForce GTX 780 Ti 19 Mh/s
Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically, the GeForce GTX 780 Ti should perform a bit faster than the GeForce GTX 1080 overall. (explain)

GeForce GTX 780 Ti 336000 MB/sec
GeForce GTX 1080 327680 MB/sec
Difference: 8320 (3%)

Texel Rate

The GeForce GTX 1080 will be quite a bit (approximately 22%) more effective at anisotropic filtering than the GeForce GTX 780 Ti. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce GTX 780 Ti 210000 Mtexels/sec
Difference: 47120 (22%)

Pixel Rate

The GeForce GTX 1080 is much (about 145%) more effective at full screen anti-aliasing than the GeForce GTX 780 Ti, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce GTX 780 Ti 42000 Mpixels/sec
Difference: 60848 (145%)

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

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GeForce GTX 1080

Amazon.com

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GeForce GTX 780 Ti

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 1080 GeForce GTX 780 Ti
Manufacturer nVidia nVidia
Year May 2016 November 2013
Code Name GP104-400 GK110
Memory 8192 MB 3072 MB
Core Speed 1607 MHz 875 MHz
Memory Speed 10008 MHz 7000 MHz
Power (Max TDP) 180 watts 250 watts
Bandwidth 327680 MB/sec 336000 MB/sec
Texel Rate 257120 Mtexels/sec 210000 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 42000 Mpixels/sec
Unified Shaders 2560 2880
Texture Mapping Units 160 240
Render Output Units 64 48
Bus Type GDDR5X GDDR5
Bus Width 256-bit 384-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 7080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.4

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 are processed in one second. This figure is calculated by multiplying the total texture units by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number 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 drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 1080

Amazon.com

Check prices at:

GeForce GTX 780 Ti

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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