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Radeon R9 M295X vs Radeon R9 Nano

Intro

The Radeon R9 M295X uses a 28 nm design. AMD has set the core frequency at 750 MHz. The GDDR5 memory works at a speed of 1375 MHz on this specific model. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the Radeon R9 Nano, which has a GPU core clock speed of 1000 MHz, and 4096 MB of HBM RAM running at 500 MHz through a 4096-bit bus. It also is comprised of 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
Radeon R9 Nano 175 Watts
Difference: 50 Watts (40%)

Memory Bandwidth

The Radeon R9 Nano should theoretically perform much faster than the Radeon R9 M295X overall. (explain)

Radeon R9 Nano 512000 MB/sec
Radeon R9 M295X 176000 MB/sec
Difference: 336000 (191%)

Texel Rate

The Radeon R9 Nano will be much (approximately 167%) more effective at texture filtering than the Radeon R9 M295X. (explain)

Radeon R9 Nano 256000 Mtexels/sec
Radeon R9 M295X 96000 Mtexels/sec
Difference: 160000 (167%)

Pixel Rate

The Radeon R9 Nano is much (approximately 167%) more effective at AA than the Radeon R9 M295X, and also should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 Nano 64000 Mpixels/sec
Radeon R9 M295X 24000 Mpixels/sec
Difference: 40000 (167%)

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 M295X

Amazon.com

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Radeon R9 Nano

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 R9 M295X Radeon R9 Nano
Manufacturer AMD AMD
Year 2014 September 2015
Code Name Unknown Fiji XT
Memory 4096 MB 4096 MB
Core Speed 750 MHz 1000 MHz
Memory Speed 5500 MHz 500 MHz
Power (Max TDP) 125 watts 175 watts
Bandwidth 176000 MB/sec 512000 MB/sec
Texel Rate 96000 Mtexels/sec 256000 Mtexels/sec
Pixel Rate 24000 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 2048 4096
Texture Mapping Units 128 256
Render Output Units 32 64
Bus Type GDDR5 HBM
Bus Width 256-bit 4096-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video 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 could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated 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 drawing the pixels (image) on the screen. The actual pixel output 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 max fill rate.

Display Prices

Hide Prices

Radeon R9 M295X

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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