Radeon RX 7900 XT vs Radeon RX 7900 XTX

Intro

Compare those specs to the Radeon RX 7900 XTX, which uses a 5 nm design. AMD has set the core frequency at 1855 MHz. The GDDR6 RAM runs at a frequency of 2500 MHz on this particular model. It features 6144 SPUs as well as 384 Texture Address Units and 192 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 7900 XT		300 Watts
Radeon RX 7900 XTX		355 Watts
	Difference: 55 Watts (18%)

Memory Bandwidth

The Radeon RX 7900 XTX should theoretically perform just a bit faster than the Radeon RX 7900 XT overall. (explain)

Radeon RX 7900 XTX		983040 MB/sec
Radeon RX 7900 XT		819200 MB/sec
	Difference: 163840 (20%)

Texel Rate

The Radeon RX 7900 XTX will be a lot (about 41%) faster with regards to anisotropic filtering than the Radeon RX 7900 XT. (explain)

Radeon RX 7900 XTX		712320 Mtexels/sec
Radeon RX 7900 XT		504000 Mtexels/sec
	Difference: 208320 (41%)

Pixel Rate

The Radeon RX 7900 XTX is much (about 24%) better at anti-aliasing than the Radeon RX 7900 XT, and also will be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 7900 XTX		356160 Mpixels/sec
Radeon RX 7900 XT		288000 Mpixels/sec
	Difference: 68160 (24%)

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 data (measured in megabytes per second) that can be moved across the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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