Radeon HD 7790 vs Radeon RX 5600 XT

Intro

Compare those specifications to the Radeon RX 5600 XT, which has GPU core speed of 1375 MHz, and 6144 MB of GDDR6 RAM running at 1500 MHz through a 192-bit bus. It also features 2304 Stream Processors, 144 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7790		85 Watts
Radeon RX 5600 XT		160 Watts
	Difference: 75 Watts (88%)

Memory Bandwidth

Performance-wise, the Radeon RX 5600 XT should in theory be a lot better than the Radeon HD 7790 overall. (explain)

Radeon RX 5600 XT		344064 MB/sec
Radeon HD 7790		96000 MB/sec
	Difference: 248064 (258%)

Texel Rate

The Radeon RX 5600 XT is quite a bit (about 254%) better at AF than the Radeon HD 7790. (explain)

Radeon RX 5600 XT		198000 Mtexels/sec
Radeon HD 7790		56000 Mtexels/sec
	Difference: 142000 (254%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 5600 XT is a better choice, and very much so. (explain)

Radeon RX 5600 XT		88000 Mpixels/sec
Radeon HD 7790		16000 Mpixels/sec
	Difference: 72000 (450%)

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 maximum amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a 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. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.