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Radeon R9 Fury X vs Radeon RX 6800 XT

Intro

The Radeon R9 Fury X has a GPU clock speed of 1050 MHz, and the 4096 MB of HBM memory is set to run at 500 MHz through a 4096-bit bus. It also is comprised of 4096 SPUs, 256 TAUs, and 64 ROPs.

Compare those specs to the Radeon RX 6800 XT, which comes with a core clock frequency of 1825 MHz and a GDDR6 memory frequency of 2000 MHz. It also features a 256-bit memory bus, and uses a 7 nm design. It is comprised of 4608 SPUs, 288 Texture Address Units, and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Fury X 275 Watts
Radeon RX 6800 XT 300 Watts
Difference: 25 Watts (9%)

Memory Bandwidth

In theory, the Radeon RX 6800 XT is 2% quicker than the Radeon R9 Fury X overall, due to its greater data rate. (explain)

Radeon RX 6800 XT 524288 MB/sec
Radeon R9 Fury X 512000 MB/sec
Difference: 12288 (2%)

Texel Rate

The Radeon RX 6800 XT should be much (about 96%) faster with regards to anisotropic filtering than the Radeon R9 Fury X. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
Radeon R9 Fury X 268800 Mtexels/sec
Difference: 256800 (96%)

Pixel Rate

The Radeon RX 6800 XT is much (about 248%) faster with regards to FSAA than the Radeon R9 Fury X, and will be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6800 XT 233600 Mpixels/sec
Radeon R9 Fury X 67200 Mpixels/sec
Difference: 166400 (248%)

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 R9 Fury X

Amazon.com

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Radeon RX 6800 XT

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.

Specifications

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Model Radeon R9 Fury X Radeon RX 6800 XT
Manufacturer AMD AMD
Year June 2015 November 2020
Code Name Fiji XT Navi 21
Memory 4096 MB 16384 MB
Core Speed 1050 MHz 1825 MHz
Memory Speed 500 MHz 4000 GB/s
Power (Max TDP) 275 watts 300 watts
Bandwidth 512000 MB/sec 524288 MB/sec
Texel Rate 268800 Mtexels/sec 525600 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 4096 4608
Texture Mapping Units 256 288
Render Output Units 64 128
Bus Type HBM GDDR6
Bus Width 4096-bit 256-bit
Fab Process 28 nm 7 nm
Transistors 8900 million 26800 million
Bus PCIe 3.0 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon R9 Fury X

Amazon.com

Check prices at:

Radeon RX 6800 XT

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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