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Radeon RX 7900 XT vs Radeon RX 7900 XTX

Intro

The Radeon RX 7900 XT has a core clock frequency of 1500 MHz and a GDDR6 memory speed of 2500 MHz. It also makes use of a 320-bit memory bus, and makes use of a 5 nm design. It is made up of 5376 SPUs, 336 Texture Address Units, and 192 ROPs.

Compare all that to the Radeon RX 7900 XTX, which has a core clock speed of 1855 MHz and a GDDR6 memory frequency of 2500 MHz. It also makes use of a 384-bit memory bus, and uses a 5 nm design. It features 6144 SPUs, 384 Texture Address Units, and 192 ROPs.

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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

Theoretically, the Radeon RX 7900 XTX should perform a little 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 should be a lot (approximately 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

If running with high levels of AA is important to you, then the Radeon RX 7900 XTX is superior to the Radeon RX 7900 XT, by far. (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

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Radeon RX 7900 XT

Amazon.com

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Radeon RX 7900 XTX

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon RX 7900 XT Radeon RX 7900 XTX
Manufacturer AMD AMD
Year December 2022 December 2022
Code Name Navi 31 XT Navi 31 XTX
Memory 20480 MB 24576 MB
Core Speed 1500 MHz 1855 MHz
Memory Speed 2500 GB/s 2500 GB/s
Power (Max TDP) 300 watts 355 watts
Bandwidth 819200 MB/sec 983040 MB/sec
Texel Rate 504000 Mtexels/sec 712320 Mtexels/sec
Pixel Rate 288000 Mpixels/sec 356160 Mpixels/sec
Unified Shaders 5376 6144
Texture Mapping Units 336 384
Render Output Units 192 192
Bus Type GDDR6 GDDR6
Bus Width 320-bit 384-bit
Fab Process 5 nm 5 nm
Transistors 57700 million 57700 million
Bus PCIe 4.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon RX 7900 XT

Amazon.com

Check prices at:

Radeon RX 7900 XTX

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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