Radeon RX 6500 XT vs Radeon RX 7900 XTX

Intro

Compare those specs to the Radeon RX 7900 XTX, which comes with clock speeds of 1855 MHz on the GPU, and 2500 MHz on the 24576 MB of GDDR6 RAM. It features 6144 SPUs along with 384 Texture Address Units and 192 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6500 XT		107 Watts
Radeon RX 7900 XTX		355 Watts
	Difference: 248 Watts (232%)

Memory Bandwidth

In theory, the Radeon RX 7900 XTX is 567% quicker than the Radeon RX 6500 XT overall, because of its higher bandwidth. (explain)

Radeon RX 7900 XTX		983040 MB/sec
Radeon RX 6500 XT		147456 MB/sec
	Difference: 835584 (567%)

Texel Rate

The Radeon RX 7900 XTX should be quite a bit (more or less 406%) faster with regards to anisotropic filtering than the Radeon RX 6500 XT. (explain)

Radeon RX 7900 XTX		712320 Mtexels/sec
Radeon RX 6500 XT		140800 Mtexels/sec
	Difference: 571520 (406%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 7900 XTX is a better choice, and very much so. (explain)

Radeon RX 7900 XTX		356160 Mpixels/sec
Radeon RX 6500 XT		70400 Mpixels/sec
	Difference: 285760 (406%)

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 maximum amount of data (measured in megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video 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 number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.