GeForce GTX 780 Ti vs GeForce GTX 980

Intro

Compare those specs to the GeForce GTX 980, which features a core clock speed of 1126 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is made up of 2048 SPUs, 128 TAUs, and 64 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 980		13552 points
GeForce GTX 780 Ti		10900 points
	Difference: 2652 (24%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980		63 FPS
GeForce GTX 780 Ti		56 FPS
	Difference: 7 (13%)

Ethereum Mining Hash Rate

GeForce GTX 980		20 Mh/s
GeForce GTX 780 Ti		19 Mh/s
	Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
GeForce GTX 780 Ti		250 Watts
	Difference: 85 Watts (52%)

Memory Bandwidth

The GeForce GTX 780 Ti should in theory be quite a bit faster than the GeForce GTX 980 in general. (explain)

GeForce GTX 780 Ti		336000 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 112000 (50%)

Texel Rate

The GeForce GTX 780 Ti will be a lot (more or less 46%) more effective at anisotropic filtering than the GeForce GTX 980. (explain)

GeForce GTX 780 Ti		210000 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 65872 (46%)

Pixel Rate

The GeForce GTX 980 will be a lot (more or less 72%) better at FSAA than the GeForce GTX 780 Ti, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 980		72064 Mpixels/sec
GeForce GTX 780 Ti		42000 Mpixels/sec
	Difference: 30064 (72%)

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 maximum amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It is worked out 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 DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.