The new HTC One M9 has exactly the same Toshiba 20 megapixel camera sensor as the Lumia 930, so one would think the results would be pretty similar.
AllAboutWindowsPhone have compared images taken in a variety of conditions (100% crops of the 16 megapixel RAW pictures) using both devices and the very latest versions of their software, and found elements like the camera algorithms, optical image stabilization and lenses in the Lumia 930 pushed it ahead.
Steve Litchfield notes:
Overall, as you picked up from my general comparison of the two devices, the camera hardware and software in the Lumia 930 definitely outguns the HTC One M9, but not by the massive gulf that you might expect (certainly after reading other M9 reviews).
Actually looking at the pictures posted by AAWP I think Steve was being too generous to the HTC handset, for example calling the shot below a draw when I think the Lumia 930 image is definitely clearer and better looking.
See many more sample pictures at AAWP here. Do our readers agree the HTC is close in quality to the Lumia 930?