Not long after Verizon doubled its highest FiOS Internet speeds to 300 megabits per second, Comcast today announced a brand-new speed tier that will hit 305Mbps. Coincidentally, the new Xfinity Platinum Internet will initially be available in the Northeast US, where Verizon FiOS is also prevalent. Presumably, if Verizon FiOS offered speed of 310Mbps, Comcast would have gone with 315. But it may turn out that real-world speeds are still better with Verizon. As we recently reported, FCC testing shows that FiOS speed is 20 percent higher than promised by Verizon, while Comcast cable speed is just 3 percent higher than promised. Read the full story at ARS Technica.