GeForce GTX 880M vs GeForce RTX 3060

Intro

Compare those specifications to the GeForce RTX 3060, which features core clock speeds of 1320 MHz on the GPU, and 1875 MHz on the (Unknown) MB of GDDR6 RAM. It features 3584 SPUs as well as 112 Texture Address Units and 48 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M		130 Watts
GeForce RTX 3060		170 Watts
	Difference: 40 Watts (31%)

Memory Bandwidth

Theoretically, the GeForce RTX 3060 should be quite a bit faster than the GeForce GTX 880M in general. (explain)

GeForce RTX 3060		368640 MB/sec
GeForce GTX 880M		128000 MB/sec
	Difference: 240640 (188%)

Texel Rate

The GeForce RTX 3060 will be a lot (more or less 21%) more effective at AF than the GeForce GTX 880M. (explain)

GeForce RTX 3060		147840 Mtexels/sec
GeForce GTX 880M		122112 Mtexels/sec
	Difference: 25728 (21%)

Pixel Rate

The GeForce RTX 3060 will be quite a bit (approximately 108%) better at full screen anti-aliasing than the GeForce GTX 880M, and able to handle higher resolutions without losing too much performance. (explain)

GeForce RTX 3060		63360 Mpixels/sec
GeForce GTX 880M		30528 Mpixels/sec
	Difference: 32832 (108%)

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 largest amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the 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 is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the 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 per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core 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 rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.