Garmin Descent Mk2i vs Shearwater Perdix 2

Gear Review |

Garmin Descent Mk2i vs Shearwater Perdix 2: A Deep Dive Comparison

Choosing the right dive computer is one of the most important gear decisions a diver can make. Two of the top contenders in the market are the Garmin Descent Mk2i and the Shearwater Perdix 2. Let's break down how they compare.

Design & Display

Garmin Descent Mk2i

The Mk2i features a modern watch-style design with a sapphire lens and full-color display. It doubles as a daily wear smartwatch, making it a versatile choice for divers who want one device for both above and below the surface.

Shearwater Perdix 2

The Perdix 2 prioritizes a large, readable display with robust construction and intuitive navigation. Its armoured casing with precision titanium surround bezel protects the electronics, and the 2.2-inch bright screen is easy to read at depth.

Garmin Descent Mk2i

Garmin Descent Mk2i

Shearwater Perdix 2

Shearwater Perdix 2

Key Features

Garmin Mk2i Highlights

  • Advanced air integration tracking tank pressure in real-time
  • Built-in GPS for dive path tracking and surface navigation
  • Multiple diving modes: recreational, technical, freediving
  • 80-hour battery life in dive mode
  • Full smartwatch functionality above water

Shearwater Perdix 2 Highlights

  • Customizable decompression algorithms (Buhlmann with gradient factors)
  • 1,000-hour dive log capacity
  • User-replaceable single AA battery
  • Reliable depth and temperature readings
  • Air integration with up to four transmitters
  • Customizable vibration alerts

App Ecosystems

Garmin Connect

Syncs dive logs with fitness tracking integration, offering dive planning tools, interactive maps, and social sharing capabilities. Great for divers who want their dive data integrated with their overall fitness tracking.

Shearwater Cloud

Offers dive analytics, customizable displays, remote firmware updates, community integration, and equipment maintenance tracking. Purpose-built for divers who want deep analytics on their dive data.

The Verdict

Both are exceptional dive computers. The Garmin Mk2i is ideal for divers who want a versatile smartwatch that excels underwater. The Shearwater Perdix 2 is the choice for divers who prioritize a purpose-built, rock-solid dive computer with industry-leading decompression algorithms. Either way, you're investing in safety and capability.