GeForce RTX 3070 vs GeForce RTX 3080

Intro

Compare all of that to the GeForce RTX 3080, which comes with a GPU core clock speed of 1440 MHz, and 10240 MB of GDDR6X memory running at 1188 MHz through a 320-bit bus. It also features 8704 SPUs, 272 Texture Address Units, and 96 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3070		220 Watts
GeForce RTX 3080		320 Watts
	Difference: 100 Watts (45%)

Memory Bandwidth

In theory, the GeForce RTX 3080 is -100% quicker than the GeForce RTX 3070 overall, due to its greater bandwidth. (explain)

GeForce RTX 3080		778547 MB/sec
GeForce RTX 3070		(Unknown) MB/sec
	Difference: 778547 (-100%)

Texel Rate

The GeForce RTX 3080 is quite a bit (approximately 42%) better at AF than the GeForce RTX 3070. (explain)

GeForce RTX 3080		391680 Mtexels/sec
GeForce RTX 3070		276000 Mtexels/sec
	Difference: 115680 (42%)

Pixel Rate

The GeForce RTX 3070 will be a little bit (more or less 4%) better at anti-aliasing than the GeForce RTX 3080, and also will be capable of handling higher screen resolutions better. (explain)

GeForce RTX 3070		144000 Mpixels/sec
GeForce RTX 3080		138240 Mpixels/sec
	Difference: 5760 (4%)

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 (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.