HTC's latest flagship smartphone, the HTC One, has a long list of new features. A notable highlight is its rear 4MP HTC UltraPixel camera with BSI camera sensor that features enlarged pixels to take in three times more light. Factor in HTC ImageSense 2 and an f/2.0 lens, check out this demo that pits the HTC One's low light photography against the Apple iPhone 5 and Samsung Galaxy S3.