The new shots include a high-res peek at not just the exterior shell, but also the screen, front and rear cameras, vibration motors, audio jacks along with the SIM trays, and more...
Source: http://www.phonearena.com/news/iPhone-5S-and-iPhone-5C-side-by-side-along-with-the-screen-the-camera-and-other_id46684
Source: http://www.phonearena.com/news/iPhone-5S-and-iPhone-5C-side-by-side-along-with-the-screen-the-camera-and-other_id46684