GeForce RTX 3080 vs Radeon RX 5500

Intro

Compare those specifications to the Radeon RX 5500, which comes with a clock frequency of 1670 MHz and a GDDR6 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and makes use of a 7 nm design. It features 1408 SPUs, 88 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500		150 Watts
GeForce RTX 3080		320 Watts
	Difference: 170 Watts (113%)

Memory Bandwidth

In theory, the GeForce RTX 3080 should be 239% quicker than the Radeon RX 5500 overall, due to its higher data rate. (explain)

GeForce RTX 3080		778547 MB/sec
Radeon RX 5500		229376 MB/sec
	Difference: 549171 (239%)

Texel Rate

The GeForce RTX 3080 should be quite a bit (about 167%) more effective at texture filtering than the Radeon RX 5500. (explain)

GeForce RTX 3080		391680 Mtexels/sec
Radeon RX 5500		146960 Mtexels/sec
	Difference: 244720 (167%)

Pixel Rate

The GeForce RTX 3080 is quite a bit (approximately 159%) more effective at FSAA than the Radeon RX 5500, and should be capable of handling higher resolutions better. (explain)

GeForce RTX 3080		138240 Mpixels/sec
Radeon RX 5500		53440 Mpixels/sec
	Difference: 84800 (159%)

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 (measured in MB per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.