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GeForce RTX 2080 vs Radeon R9 Nano

Intro

The GeForce RTX 2080 comes with a clock frequency of 1515 MHz and a GDDR6 memory frequency of 14 MHz. It also features a 256-bit bus, and makes use of a 12 nm design. It is made up of 2944 SPUs, 184 Texture Address Units, and 64 ROPs.

Compare those specifications to the Radeon R9 Nano, which comes with core clock speeds of 1000 MHz on the GPU, and 500 MHz on the 4096 MB of HBM memory. It features 4096 SPUs as well as 256 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Nano 175 Watts
GeForce RTX 2080 215 Watts
Difference: 40 Watts (23%)

Memory Bandwidth

The Radeon R9 Nano should in theory be a small bit faster than the GeForce RTX 2080 in general. (explain)

Radeon R9 Nano 512000 MB/sec
GeForce RTX 2080 458752 MB/sec
Difference: 53248 (12%)

Texel Rate

The GeForce RTX 2080 will be a little bit (approximately 9%) more effective at anisotropic filtering than the Radeon R9 Nano. (explain)

GeForce RTX 2080 278760 Mtexels/sec
Radeon R9 Nano 256000 Mtexels/sec
Difference: 22760 (9%)

Pixel Rate

The GeForce RTX 2080 is quite a bit (more or less 52%) faster with regards to full screen anti-aliasing than the Radeon R9 Nano, and also capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce RTX 2080 96960 Mpixels/sec
Radeon R9 Nano 64000 Mpixels/sec
Difference: 32960 (52%)

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

Display Prices

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GeForce RTX 2080

Amazon.com

Radeon R9 Nano

Amazon.com

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 GeForce RTX 2080 Radeon R9 Nano
Manufacturer nVidia AMD
Year September 2018 September 2015
Code Name TU104-400A-A1 Fiji XT
Memory 8192 MB 4096 MB
Core Speed 1515 MHz 1000 MHz
Memory Speed 14 GB/s 500 MHz
Power (Max TDP) 215 watts 175 watts
Bandwidth 458752 MB/sec 512000 MB/sec
Texel Rate 278760 Mtexels/sec 256000 Mtexels/sec
Pixel Rate 96960 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 2944 4096
Texture Mapping Units 184 256
Render Output Units 64 64
Bus Type GDDR6 HBM
Bus Width 256-bit 4096-bit
Fab Process 12 nm 28 nm
Transistors (Unknown) million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, 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 most pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 2080

Amazon.com

Radeon R9 Nano

Amazon.com

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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