Palit GeForce GTX 1080 Ti GameRock Premium Review

Graphics cards 1048 Page 5 of 40 Published by

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Product Innards

Product Innards

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The cooling solution is a simple but proper one. The cooler uses very thick heat-pipes that pass through a heatsink, with thermal paste tied to the all-copper block. You can also see that the memory area has padding as well as the phase chokes and thus is cooled by this block. 
  

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Palit also did apply padding on top of the GDDR5X, the VRM area has a heatsink (the black one). Here I have taken off the backplate btw. There is roughly 2 mm space inbetween PCB and plate.
 

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Here we have the frontside of the PCB, clearly visible the GP102 graphics processor from Nvidia covered with thermal interface material.
  

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The Nvidia GP102 graphics processor is made based on Pascal architecture at a 16 nm process at TSMC. This bad boy has a transistor count of 12 billion and do not underestimate the die size, that is 471 mm² you are looking at.
 

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The GDDR5X memory chips are made by Micron and are specced to run at 11,000 MHz GDDR5 (effective data-rate). Tweaked, you are looking at a capability of roughly 12,000 MHz (effective data-rate). These are Micron 6ZA77 - D9VRL. 
  

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Typically you'd see a uPI based uP9511P controller, however tucked at the rear PCB side you'll run into a OnSemi NCP81274 voltage controller, An 8 phase buck controller regulator and thus allows for selectable 8/7/6/5/4/3/2/1 phases hence the board using 12 phases for the GPU is 5x2 doubled up + 2 for memory. 
 

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And yes, that empty SMT trace is missing the one GDDR5X chip, for this 12 11 GB graphics card. Now you know what is on the inside.
 

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Palit added an RGB header to which you can connect your own LEDs that will follow the card's RGB coloring of the card.

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The backside PCB, you are looking at the GPU backside. You can see that the VRM area also is properly padded to the backplate. That helps a notch with cooling it as our thermal images will show.

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