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Radeon R9 285 vs Radeon R9 Nano

Intro

The Radeon R9 285 features a GPU clock speed of 918 MHz, and the 2048 MB of GDDR5 memory runs at 1375 MHz through a 256-bit bus. It also is made up of 1792 Stream Processors, 112 TAUs, and 32 Raster Operation Units.

Compare those specifications to the Radeon R9 Nano, which comes with a clock frequency of 1000 MHz and a HBM memory frequency of 500 MHz. It also uses a 4096-bit memory bus, and makes use of a 28 nm design. It is made up of 4096 SPUs, 256 TAUs, and 64 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 Nano 14918 points
Radeon R9 285 8500 points
Difference: 6418 (76%)

Ethereum Mining Hash Rate

Radeon R9 Nano 30 Mh/s
Radeon R9 285 18 Mh/s
Difference: 12 (67%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Nano 175 Watts
Radeon R9 285 190 Watts
Difference: 15 Watts (9%)

Memory Bandwidth

The Radeon R9 Nano, in theory, should perform much faster than the Radeon R9 285 in general. (explain)

Radeon R9 Nano 512000 MB/sec
Radeon R9 285 176000 MB/sec
Difference: 336000 (191%)

Texel Rate

The Radeon R9 Nano should be much (about 149%) more effective at texture filtering than the Radeon R9 285. (explain)

Radeon R9 Nano 256000 Mtexels/sec
Radeon R9 285 102816 Mtexels/sec
Difference: 153184 (149%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 Nano is the winner, by far. (explain)

Radeon R9 Nano 64000 Mpixels/sec
Radeon R9 285 29376 Mpixels/sec
Difference: 34624 (118%)

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 285

Amazon.com

Check prices at:

Radeon R9 Nano

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 285 Radeon R9 Nano
Manufacturer AMD AMD
Year September 2014 September 2015
Code Name Tonga PRO Fiji XT
Memory 2048 MB 4096 MB
Core Speed 918 MHz 1000 MHz
Memory Speed 5500 MHz 500 MHz
Power (Max TDP) 190 watts 175 watts
Bandwidth 176000 MB/sec 512000 MB/sec
Texel Rate 102816 Mtexels/sec 256000 Mtexels/sec
Pixel Rate 29376 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 1792 4096
Texture Mapping Units 112 256
Render Output Units 32 64
Bus Type GDDR5 HBM
Bus Width 256-bit 4096-bit
Fab Process 28 nm 28 nm
Transistors 5000 million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total texture units of the card by the core clock 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 applied 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 one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon R9 285

Amazon.com

Check prices at:

Radeon R9 Nano

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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