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GeForce GTX 780 Ti vs GeForce RTX 3060

Intro

The GeForce GTX 780 Ti features a GPU clock speed of 875 MHz, and the 3072 MB of GDDR5 RAM is set to run at 1750 MHz through a 384-bit bus. It also is comprised of 2880 Stream Processors, 240 Texture Address Units, and 48 ROPs.

Compare those specifications to the GeForce RTX 3060, which uses a 8 nm design. nVidia has clocked the core frequency at 1320 MHz. The GDDR6 memory is set to run at a speed of 1875 MHz on this specific model. It features 3584 SPUs as well as 112 Texture Address Units and 48 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3060		170 Watts
GeForce GTX 780 Ti		250 Watts
	Difference: 80 Watts (47%)

Memory Bandwidth

As far as performance goes, the GeForce RTX 3060 should in theory be just a bit superior to the GeForce GTX 780 Ti overall. (explain)

GeForce RTX 3060		368640 MB/sec
GeForce GTX 780 Ti		336000 MB/sec
	Difference: 32640 (10%)

Texel Rate

The GeForce GTX 780 Ti is much (more or less 42%) more effective at AF than the GeForce RTX 3060. (explain)

GeForce GTX 780 Ti		210000 Mtexels/sec
GeForce RTX 3060		147840 Mtexels/sec
	Difference: 62160 (42%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce RTX 3060 is the winner, and very much so. (explain)

GeForce RTX 3060		63360 Mpixels/sec
GeForce GTX 780 Ti		42000 Mpixels/sec
	Difference: 21360 (51%)

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

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GeForce RTX 3060

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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 RTX 3060
Manufacturer	nVidia	nVidia
Year	November 2013	February 2021
Code Name	GK110	GA106
Memory	3072 MB	(Unknown) MB
Core Speed	875 MHz	1320 MHz
Memory Speed	7000 MHz	3750 GB/s
Power (Max TDP)	250 watts	170 watts
Bandwidth	336000 MB/sec	368640 MB/sec
Texel Rate	210000 Mtexels/sec	147840 Mtexels/sec
Pixel Rate	42000 Mpixels/sec	63360 Mpixels/sec
Unified Shaders	2880	3584
Texture Mapping Units	240	112
Render Output Units	48	48
Bus Type	GDDR5	GDDR6
Bus Width	384-bit	192-bit
Fab Process	28 nm	8 nm
Transistors	7080 million	13250 million
Bus	PCIe 3.0 x16	PCIe 4.0 x16
DirectX Version	DirectX 11.0	DirectX 12
OpenGL Version	OpenGL 4.4	OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, 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 amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

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