No it is not comparable to a ReptiSun5.0. The GE bulb gives off very little to no UVB light. Something like a ReptiSun gives off 30 times the amount of UVB light.
"UVA and UVB output of fluorescent lamps, specifically Sunshine bulbs, is minimal and comparable to other standard fluorescent lamps that you would find in places such as office buildings. A paper by NEMA explores UV from fluorescent lights. It points out that a study was done that determined that UV exposure from sitting indoors under fluorescent lights for an eight hour workday is equivalent to just over a minute of exposure to the sun in Washington, D.C. on a clear day in July. UV is minimized because the glass "