GeForce RTX 3080 12 GB vs Radeon RX 470 4GB

Intro

Compare all of that to the Radeon RX 470 4GB, which makes use of a 14 nm design. AMD has set the core speed at 926 MHz. The GDDR5 memory is set to run at a speed of 1650 MHz on this specific model. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
GeForce RTX 3080 12 GB		350 Watts
	Difference: 230 Watts (192%)

Memory Bandwidth

In theory, the GeForce RTX 3080 12 GB is 342% quicker than the Radeon RX 470 4GB overall, because of its greater data rate. (explain)

GeForce RTX 3080 12 GB		934298 MB/sec
Radeon RX 470 4GB		211200 MB/sec
	Difference: 723098 (342%)

Texel Rate

The GeForce RTX 3080 12 GB is much (approximately 198%) faster with regards to AF than the Radeon RX 470 4GB. (explain)

GeForce RTX 3080 12 GB		352800 Mtexels/sec
Radeon RX 470 4GB		118528 Mtexels/sec
	Difference: 234272 (198%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce RTX 3080 12 GB is the winner, and very much so. (explain)

GeForce RTX 3080 12 GB		141120 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 111488 (376%)

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 max amount of data (measured in megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, 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 calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.