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GeForce GTX 1080 vs Radeon Pro Duo

Intro

The GeForce GTX 1080 comes with a core clock speed of 1607 MHz and a GDDR5X memory frequency of 1251 MHz. It also uses a 256-bit memory bus, and uses a 16 nm design. It is comprised of 2560 SPUs, 160 TAUs, and 64 ROPs.

Compare those specs to the Radeon Pro Duo, which uses a 28 nm design. AMD has set the core frequency at 1000 MHz. The HBM memory runs at a speed of 500 MHz on this particular card. It features 4096 SPUs along with 256 TAUs 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
GeForce GTX 1080 21942 points
Difference: 5225 (24%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080 180 Watts
Radeon Pro Duo 350 Watts
Difference: 170 Watts (94%)

Memory Bandwidth

In theory, the Radeon Pro Duo should perform quite a bit faster than the GeForce GTX 1080 in general. (explain)

Radeon Pro Duo 1024000 MB/sec
GeForce GTX 1080 327680 MB/sec
Difference: 696320 (213%)

Texel Rate

The Radeon Pro Duo should be a lot (more or less 99%) more effective at AF than the GeForce GTX 1080. (explain)

Radeon Pro Duo 512000 Mtexels/sec
GeForce GTX 1080 257120 Mtexels/sec
Difference: 254880 (99%)

Pixel Rate

The Radeon Pro Duo should be a lot (more or less 24%) better at full screen anti-aliasing than the GeForce GTX 1080, and will be able to handle higher resolutions more effectively. (explain)

Radeon Pro Duo 128000 Mpixels/sec
GeForce GTX 1080 102848 Mpixels/sec
Difference: 25152 (24%)

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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GeForce GTX 1080

Amazon.com

Check prices at:

Radeon Pro Duo

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 GeForce GTX 1080 Radeon Pro Duo
Manufacturer nVidia AMD
Year May 2016 April 2016
Code Name GP104-400 Fiji XT
Memory 8192 MB 4096 MB (x2)
Core Speed 1607 MHz 1000 MHz (x2)
Memory Speed 10008 MHz 500 MHz (x2)
Power (Max TDP) 180 watts 350 watts
Bandwidth 327680 MB/sec 1024000 MB/sec
Texel Rate 257120 Mtexels/sec 512000 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 128000 Mpixels/sec
Unified Shaders 2560 4096 (x2)
Texture Mapping Units 160 256 (x2)
Render Output Units 64 64 (x2)
Bus Type GDDR5X HBM
Bus Width 256-bit 4096-bit (x2)
Fab Process 16 nm 28 nm
Transistors 7200 million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few 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

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GeForce GTX 1080

Amazon.com

Check prices at:

Radeon Pro Duo

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.

Comments

One Response to “GeForce GTX 1080 vs Radeon Pro Duo”
MikEms says:

fixed

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