Here's the phone completely gutted:
A look under the cover:
And going even deeper:
The heart-rate monitor
The Galaxy is the first smartphone to introduce a dedicated heart rate monitor, also known as a Biosensor - Pulse/Oxy IC. The heart rate monitor is situated next to the flash on the back of the phone. It shines a red/infra-red light through your finger and measures your pulse as your heartbeats.
The fingerprint scanner
Chipworks took a closer look at the fingerprint scanner on the Galaxy S5, which is actually very different from the one on the iPhone 5S. There's a touch sensor incorporated into the home button, but it takes input from the main touch screen.
Here's a closer look at the phone's cameras, one of which has been dubbed a dedicated "selfie" camera:
For more photos and analysis, head over to Chipworks.