GeForce RTX 3080 vs Radeon HD 5850

Intro

Compare all that to the Radeon HD 5850, which features core speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1440(288x5) SPUs as well as 72 TAUs and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850		151 Watts
GeForce RTX 3080		320 Watts
	Difference: 169 Watts (112%)

Memory Bandwidth

Performance-wise, the GeForce RTX 3080 should in theory be much better than the Radeon HD 5850 in general. (explain)

GeForce RTX 3080		778547 MB/sec
Radeon HD 5850		128000 MB/sec
	Difference: 650547 (508%)

Texel Rate

The GeForce RTX 3080 is a lot (more or less 650%) more effective at texture filtering than the Radeon HD 5850. (explain)

GeForce RTX 3080		391680 Mtexels/sec
Radeon HD 5850		52200 Mtexels/sec
	Difference: 339480 (650%)

Pixel Rate

The GeForce RTX 3080 should be quite a bit (more or less 496%) faster with regards to FSAA than the Radeon HD 5850, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce RTX 3080		138240 Mpixels/sec
Radeon HD 5850		23200 Mpixels/sec
	Difference: 115040 (496%)

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 max amount of data (measured in MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.