GeForce GTX 460 2GB vs GeForce RTX 3080 12 GB

Intro

Compare those specs to the GeForce RTX 3080 12 GB, which features a clock frequency of 1260 MHz and a GDDR6X memory speed of 1188 MHz. It also features a 384-bit bus, and makes use of a 8 nm design. It is comprised of 8960 SPUs, 280 Texture Address Units, and 112 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB		160 Watts
GeForce RTX 3080 12 GB		350 Watts
	Difference: 190 Watts (119%)

Memory Bandwidth

In theory, the GeForce RTX 3080 12 GB will be 711% quicker than the GeForce GTX 460 2GB overall, due to its greater bandwidth. (explain)

GeForce RTX 3080 12 GB		934298 MB/sec
GeForce GTX 460 2GB		115200 MB/sec
	Difference: 819098 (711%)

Texel Rate

The GeForce RTX 3080 12 GB is quite a bit (approximately 833%) more effective at texture filtering than the GeForce GTX 460 2GB. (explain)

GeForce RTX 3080 12 GB		352800 Mtexels/sec
GeForce GTX 460 2GB		37800 Mtexels/sec
	Difference: 315000 (833%)

Pixel Rate

The GeForce RTX 3080 12 GB is quite a bit (approximately 553%) faster with regards to FSAA than the GeForce GTX 460 2GB, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce RTX 3080 12 GB		141120 Mpixels/sec
GeForce GTX 460 2GB		21600 Mpixels/sec
	Difference: 119520 (553%)

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 information (in units of MB per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 chip can possibly write to the 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 - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.