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NVIDIA GeForce GTX 780 Ti 3GB Review

Author: SKYMTL
Date: November 6, 2013
Product Name: GTX 780 Ti
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A Closer Look at the GTX 780 Ti



The GTX 780 follows the same exterior design of other high end NVIDIA cards with a striking all-metal heatsink shroud thatís been finished in powder coated nickel and matte black. Other than the GTX 780 Ti logo prominently displayed near the backplate, there would be nothing to distinguish it from the TITAN, GTX 780 or GTX 770. Even its length of 10.75Ē runs throughout most of NVIDIAís GTX 700-series.


The GTX 780 Tiís internal heatsink engineering has also been carried over from previous cards which is to say it is still light-years ahead of what AMD has recently launched. NVIDIA also adds some unique flourishes like an acrylic window which looks down onto the aluminum fin array and a GeForce GTX logo thatís backlit with LEDs. All in all, the GTX 780 Ti looks like a flagship product.


Connector-wise, we get another shot of dťjŗ vu with a 6+8 pin power input layout as well as dual DVI, HDMI and DisplayPort outputs on the backplate. This allows the GTX 780 Ti to natively support triple monitor surround and 4K setups without adaptors.


With all of the GDDR5 modules being loaded onto the PCBís upper side, the GTX 780 Tiís back is relatively sparse, though there is some indication that NVIDIA is using a Tesla-inspired layout as evidenced by the power input pin-outs.

With a basic 6+2 all-digital PWM and Samsung 7Gbps GDDR5 modules, thereís plenty to distinguish the GTX 780 Ti from its siblings. One of the main differentiators is what NVIDIA calls Power Balancing. In a typical PWM design, the power is evenly split between the power connectors and PCI-E interface but when overclocking, one of these sources can be maxed out and thus impede an overclock that would otherwise be stable.

What Power Balancing does is dynamically switch power routing between sources so if one is pushed to its limit, the other will automatically take up the slack. This could in theory increase overclocking headroom but it wonít impact NVIDIAís preset Power, Voltage and Temperature limits which are more often what cuts off an enthusiastís clock speed endeavors.
 
 
 

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