GeForce GTX 980 Ti vs Radeon Pro Duo

Intro

Compare those specs to the Radeon Pro Duo, which comes with clock speeds of 1000 MHz on the GPU, and 500 MHz on the 4096 MB of HBM RAM. It features 4096 SPUs as well as 256 TAUs and 64 ROPs.

Display Graphs

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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 980 Ti		17120 points
	Difference: 10047 (59%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 Ti		250 Watts
Radeon Pro Duo		350 Watts
	Difference: 100 Watts (40%)

Memory Bandwidth

Performance-wise, the Radeon Pro Duo should theoretically be much better than the GeForce GTX 980 Ti overall. (explain)

Radeon Pro Duo		1024000 MB/sec
GeForce GTX 980 Ti		336000 MB/sec
	Difference: 688000 (205%)

Texel Rate

The Radeon Pro Duo will be a lot (more or less 191%) more effective at texture filtering than the GeForce GTX 980 Ti. (explain)

Radeon Pro Duo		512000 Mtexels/sec
GeForce GTX 980 Ti		176000 Mtexels/sec
	Difference: 336000 (191%)

Pixel Rate

The Radeon Pro Duo is a lot (more or less 33%) faster with regards to FSAA than the GeForce GTX 980 Ti, and also will be capable of handling higher resolutions more effectively. (explain)

Radeon Pro Duo		128000 Mpixels/sec
GeForce GTX 980 Ti		96000 Mpixels/sec
	Difference: 32000 (33%)

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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. 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 potential to get to the max fill rate.