You might be interested in this example for reference. The grade speed is lower, at 90%, but note that a 12MB page with running video loads in just 3 seconds. http://gtmetrix.com/reports/www.yottaa.com/9QAg8220.
So practically, there is no improvement. Do you have other suggestions? Again, this is not only poor end user experience, but this is also bad for SEO.