I may have to repeat the test outside. All pictures were taken with the same ISO, shutter speed, and aperture to ensure that automatic adjustments didn't distort the results.
While the incandescent is much brighter at the center of its focal pattern, the rest of the output is fairly dim and widely scattered which makes distinguishing details difficult. The uniformity of the light output from the LEDs makes it slightly easier to see details, and the light output is a much cooler white.