The NVIDIA GeForce GTX 1080 is the first available graphics card using the 16nm Pascal architecture and is positioned as the top GPU in the high-end range. The 1080 has 8 gigabytes of GDDR5X memory, three DisplayPort 1.4 connections, a single DVI-D port and an input for HDMI 2.0b. The ACX 3.0 model by EVGA features a different cooler than the reference Founders Edition.
Pro Long-lasting ACX 3.0 cooler
The EVGA GTX 1080 ACX 3.0 uses its own cooling system with two fans. Although reviews of the ACX 3.0 cooler have not yet been released, the previous generation cooler has proven to be quiet and cooler than reference models. EVGA also uses higher quality fans, which significantly increases the lifespan. A better cooler allows for better overclocking and less throttlling (GPU's will generally perform worse under high temperatures in order to stay cool.)
Pro Very power efficient
While performance is higher than its competitors, the GTX 1080 FE actually uses less power. The maximum amount of power consumption this GPU requires is around 185 watts, which is an improvement of over 35% compared to NVIDIA's previous generation high-end graphical card, the GTX 980 Ti. This also plays a positive role when choosing a power supply, or determining if you need to upgrade your existing PSU.
Pro Amazing performance
GTX 1080 is the most powerful consumer-level GPU offered by Nvidia that's currently on the market. At 1440p with highest available settings it has an average fps of 116.5 for Dirt Rally, 101.9 for Battlefield 4 and 75.8 for GTA V. Compared to the previous high-end NVIDIA GPU, the GTX 980 Ti, that's an average performance increase of 20%.
Con No native support for 3- and 4-way SLI
SLI - short for Scalable Link Interface - is NVIDIA's technology of combining the power of two or more identical GPU's in order to reach a better performance. In other words, you can use multiple GTX 1080 videocards to further increase performance. Although the GTX 1080 supports 2-way SLI without a problem, NVIDIA does not offer support for 3- and 4-way SLI. The included SLI-bridge which serves as a connector between the two cards, is only compatible in a 2-way configuration. 3-way and 4-way SLI are possible, but aren't supported. You'll have to use an older SLI-bridge found on older GeForce models and you'll need to generate an 'Enthusiast Key' on NVIDIA's website. However, NVIDIA does not guarantee a 3- or 4-way configuration will provide any noticeable benefits.
Con Brand new hardware, risk involved in early adoption
It is unknown if there are inherent issues with this GPU (such as quality control, motherboard compatibility issues, driver issues, OS issues, etc) as it was only recently announced and has not undergone large-scale testing in the consumer market.