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Radeon Pro Duo vs Radeon R9 295X2

Intro

The Radeon Pro Duo comes with 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 comprised of 4096 Stream Processors, 256 TAUs, and 64 Raster Operation Units.

Compare those specifications to the Radeon R9 295X2, which has core speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2816 SPUs as well as 176 Texture Address Units and 64 Rasterization Operator 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 Pro Duo 27167 points
Radeon R9 295X2 21205 points
Difference: 5962 (28%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon Pro Duo 350 Watts
Radeon R9 295X2 500 Watts
Difference: 150 Watts (43%)

Memory Bandwidth

Theoretically speaking, the Radeon Pro Duo is 60% faster than the Radeon R9 295X2 overall, due to its higher data rate. (explain)

Radeon Pro Duo 1024000 MB/sec
Radeon R9 295X2 640000 MB/sec
Difference: 384000 (60%)

Texel Rate

The Radeon Pro Duo will be a lot (about 43%) faster with regards to texture filtering than the Radeon R9 295X2. (explain)

Radeon Pro Duo 512000 Mtexels/sec
Radeon R9 295X2 358336 Mtexels/sec
Difference: 153664 (43%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 295X2 is a better choice, though only just barely. (explain)

Radeon R9 295X2 130304 Mpixels/sec
Radeon Pro Duo 128000 Mpixels/sec
Difference: 2304 (2%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon Pro Duo

Amazon.com

Check prices at:

Radeon R9 295X2

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 Pro Duo Radeon R9 295X2
Manufacturer AMD AMD
Year April 2016 April 2014
Code Name Fiji XT Vesuvius
Memory 4096 MB (x2) 4096 MB (x2)
Core Speed 1000 MHz (x2) 1018 MHz (x2)
Memory Speed 500 MHz (x2) 5000 MHz (x2)
Power (Max TDP) 350 watts 500 watts
Bandwidth 1024000 MB/sec 640000 MB/sec
Texel Rate 512000 Mtexels/sec 358336 Mtexels/sec
Pixel Rate 128000 Mpixels/sec 130304 Mpixels/sec
Unified Shaders 4096 (x2) 2816 (x2)
Texture Mapping Units 256 (x2) 176 (x2)
Render Output Units 64 (x2) 64 (x2)
Bus Type HBM GDDR5
Bus Width 4096-bit (x2) 512-bit (x2)
Fab Process 28 nm 28 nm
Transistors 8900 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video 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 Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon Pro Duo

Amazon.com

Check prices at:

Radeon R9 295X2

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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