GeForce RTX 2080 SUPER vs GeForce RTX 3090

Intro

Compare those specs to the GeForce RTX 3090, which has a core clock frequency of 1395 MHz and a GDDR6X memory speed of 1219 MHz. It also makes use of a 384-bit memory bus, and makes use of a 8 nm design. It is made up of 10496 SPUs, 328 Texture Address Units, and 112 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080 SUPER		250 Watts
GeForce RTX 3090		350 Watts
	Difference: 100 Watts (40%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 3090 should perform much faster than the GeForce RTX 2080 SUPER in general. (explain)

GeForce RTX 3090		958668 MB/sec
GeForce RTX 2080 SUPER		507904 MB/sec
	Difference: 450764 (89%)

Texel Rate

The GeForce RTX 3090 should be a lot (about 44%) faster with regards to AF than the GeForce RTX 2080 SUPER. (explain)

GeForce RTX 3090		457560 Mtexels/sec
GeForce RTX 2080 SUPER		316800 Mtexels/sec
	Difference: 140760 (44%)

Pixel Rate

The GeForce RTX 3090 is a lot (about 48%) better at AA than the GeForce RTX 2080 SUPER, and should be able to handle higher screen resolutions better. (explain)

GeForce RTX 3090		156240 Mpixels/sec
GeForce RTX 2080 SUPER		105600 Mpixels/sec
	Difference: 50640 (48%)

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 information (measured in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are 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 in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.