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Radeon R9 Nano vs Radeon RX 6950 XT

Intro

The Radeon R9 Nano has a GPU clock speed of 1000 MHz, and the 4096 MB of HBM RAM is set to run at 500 MHz through a 4096-bit bus. It also is made up of 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

Compare that to the Radeon RX 6950 XT, which features GPU clock speed of 1925 MHz, and 16384 MB of GDDR6 RAM running at 2250 MHz through a 256-bit bus. It also is comprised of 5120 SPUs, 320 Texture Address Units, and 128 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Nano 175 Watts
Radeon RX 6950 XT 335 Watts
Difference: 160 Watts (91%)

Memory Bandwidth

Performance-wise, the Radeon RX 6950 XT should theoretically be just a bit better than the Radeon R9 Nano in general. (explain)

Radeon RX 6950 XT 589824 MB/sec
Radeon R9 Nano 512000 MB/sec
Difference: 77824 (15%)

Texel Rate

The Radeon RX 6950 XT will be quite a bit (more or less 141%) better at AF than the Radeon R9 Nano. (explain)

Radeon RX 6950 XT 616000 Mtexels/sec
Radeon R9 Nano 256000 Mtexels/sec
Difference: 360000 (141%)

Pixel Rate

The Radeon RX 6950 XT will be much (about 285%) more effective at FSAA than the Radeon R9 Nano, and should be capable of handling higher screen resolutions better. (explain)

Radeon RX 6950 XT 246400 Mpixels/sec
Radeon R9 Nano 64000 Mpixels/sec
Difference: 182400 (285%)

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 Nano

Amazon.com

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Radeon RX 6950 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 Nano Radeon RX 6950 XT
Manufacturer AMD AMD
Year September 2015 May 2022
Code Name Fiji XT Navi 21
Memory 4096 MB 16384 MB
Core Speed 1000 MHz 1925 MHz
Memory Speed 500 MHz 4500 GB/s
Power (Max TDP) 175 watts 335 watts
Bandwidth 512000 MB/sec 589824 MB/sec
Texel Rate 256000 Mtexels/sec 616000 Mtexels/sec
Pixel Rate 64000 Mpixels/sec 246400 Mpixels/sec
Unified Shaders 4096 5120
Texture Mapping Units 256 320
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 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the card will be at 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 the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 Nano

Amazon.com

Check prices at:

Radeon RX 6950 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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