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GeForce GTX 980 Ti vs Geforce GTX 780

Intro

The GeForce GTX 980 Ti comes with a core clock speed of 1000 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 384-bit memory bus, and uses a 28 nm design. It features 2816 SPUs, 176 Texture Address Units, and 96 ROPs.

Compare that to the Geforce GTX 780, which comes with GPU core speed of 863 MHz, and 3072 MB of GDDR5 RAM running at 1502 MHz through a 384-bit bus. It also features 2304 SPUs, 192 Texture Address Units, and 48 Raster Operation Units.

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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 10082 points
Difference: 7038 (70%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980 Ti 80 FPS
Geforce GTX 780 48 FPS
Difference: 32 (67%)

Ethereum Mining Hash Rate

GeForce GTX 980 Ti 22 Mh/s
Geforce GTX 780 20 Mh/s
Difference: 2 (10%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically, the GeForce GTX 980 Ti should perform a little bit faster than the Geforce GTX 780 in general. (explain)

GeForce GTX 980 Ti 336000 MB/sec
Geforce GTX 780 288384 MB/sec
Difference: 47616 (17%)

Texel Rate

The GeForce GTX 980 Ti should be a small bit (more or less 6%) more effective at texture filtering than the Geforce GTX 780. (explain)

GeForce GTX 980 Ti 176000 Mtexels/sec
Geforce GTX 780 165696 Mtexels/sec
Difference: 10304 (6%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 980 Ti is the winner, by a large margin. (explain)

GeForce GTX 980 Ti 96000 Mpixels/sec
Geforce GTX 780 41424 Mpixels/sec
Difference: 54576 (132%)

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 980 Ti

Amazon.com

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Geforce GTX 780

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 980 Ti Geforce GTX 780
Manufacturer nVidia nVidia
Year June 2015 May 2013
Code Name GM200 GK110
Memory 6144 MB 3072 MB
Core Speed 1000 MHz 863 MHz
Memory Speed 7000 MHz 6008 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 336000 MB/sec 288384 MB/sec
Texel Rate 176000 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 96000 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 2816 2304
Texture Mapping Units 176 192
Render Output Units 96 48
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 8000 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 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 980 Ti

Amazon.com

Check prices at:

Geforce GTX 780

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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