When I check the Boost Clock on Amazon and compare the official website card of the Strix it has different Numbers and makes me confuse when choosing between the MSI or the Strix.
First:
https://www.amazon.com/ASUS-GeForce-STRIX-Graphics-STRIX-GTX1080-A8G-GAMING/dp/B01K5F8MJK/ref=sr_1_2?s=pc&ie=UTF8&qid=1484701170&sr=1-2&keywords=1080%2Bgtx&th=1
Second:
https://www.amazon.com/MSI-GTX-1080-GAMING-3DisplayPort/dp/B01GLYD7MG/ref=sr_1_5?s=pc&ie=UTF8&qid=1484701431&sr=1-5&keywords=1080+gtx
First:
https://www.amazon.com/ASUS-GeForce-STRIX-Graphics-STRIX-GTX1080-A8G-GAMING/dp/B01K5F8MJK/ref=sr_1_2?s=pc&ie=UTF8&qid=1484701170&sr=1-2&keywords=1080%2Bgtx&th=1
Second:
https://www.amazon.com/MSI-GTX-1080-GAMING-3DisplayPort/dp/B01GLYD7MG/ref=sr_1_5?s=pc&ie=UTF8&qid=1484701431&sr=1-5&keywords=1080+gtx