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GeForce GTX 780 Ti vs GeForce GTX 980 Ti

Intro

The GeForce GTX 780 Ti makes use of a 28 nm design. nVidia has clocked the core speed at 875 MHz. The GDDR5 RAM works at a frequency of 1750 MHz on this card. It features 2880 SPUs along with 240 TAUs and 48 ROPs.

Compare all that to the GeForce GTX 980 Ti, which uses a 28 nm design. nVidia has clocked the core speed at 1000 MHz. The GDDR5 RAM is set to run at a speed of 1750 MHz on this specific card. It features 2816 SPUs as well as 176 Texture Address Units and 96 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 980 Ti 17120 points
GeForce GTX 780 Ti 10900 points
Difference: 6220 (57%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980 Ti 80 FPS
GeForce GTX 780 Ti 56 FPS
Difference: 24 (43%)

Ethereum Mining Hash Rate

GeForce GTX 980 Ti 22 Mh/s
GeForce GTX 780 Ti 19 Mh/s
Difference: 3 (16%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

The GeForce GTX 780 Ti should be just a bit (more or less 19%) more effective at anisotropic filtering than the GeForce GTX 980 Ti. (explain)

GeForce GTX 780 Ti 210000 Mtexels/sec
GeForce GTX 980 Ti 176000 Mtexels/sec
Difference: 34000 (19%)

Pixel Rate

The GeForce GTX 980 Ti will be much (more or less 129%) more effective at FSAA than the GeForce GTX 780 Ti, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 980 Ti 96000 Mpixels/sec
GeForce GTX 780 Ti 42000 Mpixels/sec
Difference: 54000 (129%)

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 780 Ti

Amazon.com

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GeForce GTX 980 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 780 Ti GeForce GTX 980 Ti
Manufacturer nVidia nVidia
Year November 2013 June 2015
Code Name GK110 GM200
Memory 3072 MB 6144 MB
Core Speed 875 MHz 1000 MHz
Memory Speed 7000 MHz 7000 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 336000 MB/sec 336000 MB/sec
Texel Rate 210000 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 42000 Mpixels/sec 96000 Mpixels/sec
Unified Shaders 2880 2816
Texture Mapping Units 240 176
Render Output Units 48 96
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 7080 million 8000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 amount of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 780 Ti

Amazon.com

Check prices at:

GeForce GTX 980 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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