GeForce GTX 980 Ti vs Geforce GTX 770

Intro

Compare all of that to the Geforce GTX 770, which features core clock speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs along with 128 TAUs and 32 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 Ti		17120 points
Geforce GTX 770		7854 points
	Difference: 9266 (118%)

Zcash Mining Hash Rate

GeForce GTX 980 Ti		425 Sol/s
Geforce GTX 770		70 Sol/s
	Difference: 355 (507%)

Ethereum Mining Hash Rate

GeForce GTX 980 Ti		22 Mh/s
Geforce GTX 770		14 Mh/s
	Difference: 8 (57%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770		230 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 20 Watts (9%)

Memory Bandwidth

Performance-wise, the GeForce GTX 980 Ti should in theory be much better than the Geforce GTX 770 overall. (explain)

GeForce GTX 980 Ti		336000 MB/sec
Geforce GTX 770		224384 MB/sec
	Difference: 111616 (50%)

Texel Rate

The GeForce GTX 980 Ti will be a lot (more or less 31%) better at AF than the Geforce GTX 770. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
Geforce GTX 770		133888 Mtexels/sec
	Difference: 42112 (31%)

Pixel Rate

The GeForce GTX 980 Ti will be much (more or less 187%) more effective at AA than the Geforce GTX 770, and also able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
Geforce GTX 770		33472 Mpixels/sec
	Difference: 62528 (187%)

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 largest amount of data (in units of MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.