Radeon RX 7900 XT vs Radeon RX 7900 XTX

Intro

Compare those specifications to the Radeon RX 7900 XTX, which features a clock speed of 1855 MHz and a GDDR6 memory frequency of 2500 MHz. It also uses a 384-bit memory bus, and uses a 5 nm design. It is comprised of 6144 SPUs, 384 Texture Address Units, and 192 Raster Operation Units.

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 in theory perform a bit faster than the Radeon RX 7900 XT in general. (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 is much (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 will be much (about 24%) more effective at FSAA than the Radeon RX 7900 XT, and also should be able to handle higher screen resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, it must 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number 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 this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that 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 amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.