From the manufacturer
Compare Galaxy Watches
 Watch5 Pro 45mm |  Watch5 44mm |  Watch5 44mm |  Watch5 40mm | |
Bluetooth and LTE Available | ✔ | ✔ | ✔ | ✔ |
Operating System (OS) | Wear OS Powered by Samsung | Wear OS Powered by Samsung | Wear OS Powered by Samsung | Wear OS Powered by Samsung |
Size | 45.4mm x 45.4mm x 10.5mm | 44.4mm x 43.3mm x 9.8mm | 44.4mm x 43.3mm x 9.8mm | 40.4mm x 39.3mm x 9.8mm |
Bezel Material | Titanium Case | Aluminum Metal Frame | Aluminum Metal Frame | Aluminum Metal Frame |
RAM | Memory | 1.5GB | 16GB | 1.5GB | 16GB | 1.5GB | 16GB | 1.5GB | 16GB |
Display | Sapphire Crystal | Sapphire Crystal | Sapphire Crystal | Sapphire Crystal |
Battery | 590mAh | 410mAh | 410mAh | 284mAh |
Durability | 5ATM | IP68 | MIL-STD-810H | 5ATM | IP68 | MIL-STD-810H | 5ATM | IP68 | MIL-STD-810H | 5ATM | IP68 | MIL-STD-810H |
