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NVIDIA GeForce GTX 780 Review

Author: SKYMTL
Date: May 21, 2013
Product Name: GTX 780 3GB
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A Closer Look at the GTX 780



With the GTX 780 using the same core as NVIDIA’s TITAN, it shouldn’t come as a surprise that its visual design follows very much the same lines. Even the length is the same at 10.5”. Truth be told, the only way to distinguish the two reference cards from one another is the imprinted logo right in front of the backplate.


Unlike the GTX 690’s design there aren’t any space-age materials being used but the overall effect is still amazing in our opinion. Most board partners will be releasing custom designs soon after launch but the reference version maintains the status quo for high end GeForce cards with a metal and plastic heatshink shroud. Until then, NVIDIA’s addition of a secondary fan intake grille over the VRMs helps speed up airflow while also ensuring critical components are adequately cooled.


While this design may look overly industrial, its windowed view towards the heatsink and glowing LED logo have won many gamers over. Some applications like EVGA’s Precision can even control the LED’s color, allowing for a nearly countless number of combinations. We’ve also heard through the grape vine that NVIDIA will be releasing a special SLI bridge to compliment their high end cards which will also incorporate a lit logo.


While the heatsink carries all of the hallmarks of class-leading engineering like vapor chamber technology and aluminum fins that are specifically designed to channel airflow, NVIDIA has also enhanced their fan controller. The older controller tended to adapt almost too well to changing conditions, causing peaks and valleys in the fan’s rotational speed. As a result, gamers were sometimes able to hear the quick yet subtle changes.

This new design relies on software to stabilize fan speeds within an optimal range, ensuring output is constant without the need to sacrifice core temperatures. While it may cause slightly higher decibel readings in some cases, the noise will be much less noticeable to end users due to consistent output.



The connector selection on NVIDIA’s GTX 780 remains the same as previous cards in the 600-series with two DVI connectors alongside HDMI and DisplayPort outputs. Meanwhile, the move towards a 6+8 pin power connector layout reflects the use of a higher power consumption GK110 core and 3-way SLI support has been retained.


Even the bare PCB layout hasn’t changed all that much from the one we saw on TITAN. NVIDIA is still using an advanced all digital 6-phase PWM for the core while the 3GB of GDDR5 memory receives an additional two phases. The only major difference between TITAN and the GTX 780 from this perspective is the former’s use of additional memory modules to achieve its 6GB capacity.
 
 
 

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