GeForce GTX 980 vs Radeon Pro Duo

Intro

Compare all of that to the Radeon Pro Duo, which has GPU core speed of 1000 MHz, and 4096 MB of HBM memory running at 500 MHz through a 4096-bit bus. It also is made up of 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

Hide Graphs

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		13552 points
	Difference: 13615 (100%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
Radeon Pro Duo		350 Watts
	Difference: 185 Watts (112%)

Memory Bandwidth

In theory, the Radeon Pro Duo should be 357% quicker than the GeForce GTX 980 in general, due to its greater data rate. (explain)

Radeon Pro Duo		1024000 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 800000 (357%)

Texel Rate

The Radeon Pro Duo will be much (more or less 255%) better at AF than the GeForce GTX 980. (explain)

Radeon Pro Duo		512000 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 367872 (255%)

Pixel Rate

The Radeon Pro Duo is quite a bit (more or less 78%) better at AA than the GeForce GTX 980, and able to handle higher resolutions more effectively. (explain)

Radeon Pro Duo		128000 Mpixels/sec
GeForce GTX 980		72064 Mpixels/sec
	Difference: 55936 (78%)

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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 reach the max fill rate.