GeForce GTX 460 1GB vs GeForce RTX 3080

Intro

Compare that to the GeForce RTX 3080, which comes with a core clock frequency of 1440 MHz and a GDDR6X memory frequency of 1188 MHz. It also features a 320-bit bus, and uses a 8 nm design. It features 8704 SPUs, 272 Texture Address Units, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB		160 Watts
GeForce RTX 3080		320 Watts
	Difference: 160 Watts (100%)

Memory Bandwidth

In theory, the GeForce RTX 3080 should be 576% quicker than the GeForce GTX 460 1GB in general, due to its higher bandwidth. (explain)

GeForce RTX 3080		778547 MB/sec
GeForce GTX 460 1GB		115200 MB/sec
	Difference: 663347 (576%)

Texel Rate

The GeForce RTX 3080 will be quite a bit (approximately 936%) better at anisotropic filtering than the GeForce GTX 460 1GB. (explain)

GeForce RTX 3080		391680 Mtexels/sec
GeForce GTX 460 1GB		37800 Mtexels/sec
	Difference: 353880 (936%)

Pixel Rate

The GeForce RTX 3080 should be a lot (about 540%) better at AA than the GeForce GTX 460 1GB, and able to handle higher screen resolutions more effectively. (explain)

GeForce RTX 3080		138240 Mpixels/sec
GeForce GTX 460 1GB		21600 Mpixels/sec
	Difference: 116640 (540%)

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 (measured in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 are applied per second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. 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 fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.