Mares Puck Pro vs Cressi Leonardo

Mares Puck Pro and Cressi Leonardo are two very popular dive computers suitable for beginners. They have all the modes needed by a beginner diver, and they don’t cost you tons of bucks. Mares Puck Pro is an upgraded version of the ground-breaking Mares Puck, now coming with a larger yet slimmer display and the ability to handle multiple gas mixes. On the other hand, Cressi Leonardo has this stylish look and ease of use. There are audible and visual warnings for safety stops, too. Continue reading below for the comparisons between Mares Puck Pro vs Cressi Leonardo.

Design and Display
The diameter of Mares Puck Pro is a little bit over 2 inches, and it is almost one-inch thick. The large display size allows you to see all the important indicators without having to fumble through menu screens. It has only a single button for navigation, so it is very simple to use. The button is pretty thick and large so that you can easily press it even while wearing thick gloves.

The display has a sufficiently strong backlight to allow easy reading, even when at a depth and the sunlight isn’t sufficient. You can adjust the backlight duration from 1 to 10 seconds as needed.

Just like Mares Puck Pro, Cressi Leonardo also has just a single button for control and navigation. Of course, having just a single button can be a little tedious when you have to adjust multiple settings. It may also be a little annoying when someone plays with your dive computer and accidentally changes the settings. Bu, it is indeed simple and intuitive to use.

The display has a very good design, but unfortunately the backlight is not very strong. It can be somewhat difficult without sufficient sunlight. So, it is not very suitable for particularly deep dives.

Each of the two models comes with three different dive modes, which are Air, Nitrox, and Gauge. However, Mares Puck Pro is suitable for beginners as well as not-so-new divers, as it is capable of handling oxygen mixtures between 21% and 99%. The pO2 levels are adjustable between 1.2 bar and 1.6 bar, and it is suitable for depths up to 150 meters.

On the other hand, Cressi Leonardo only allows nitrox levels between 21% and 50%. The pO2 levels are also adjustable between 1.2 bars and 1.6 bars. The maximum operational depths is 120 meters.

Mares Puck Pro works with the Mares-Wienke RGBM algorithm. The conservatism is adjustable through several settings. The adjustability is great, considering that different people have different preferences. Some people prefer to be safer and more conservative than the others.

On the other hand, Cressi Leonardo works with its own RGBM algorithm, which is based on the Haldane and Wienke algorithm. It is very conservative, and it can be reset after every dive.

Dive Log
Finally, note the differences of the dive logs of Mares Muck Pro vs Cressi Leonardo. The dive log capacity of Mares Much Pro is shorter, up to 36 hours, as the sampling rate is 5 seconds. It is a reasonable size for your most recent dives. On the other hand, Cressi Leonardo is able to record data for up to 75 hours, but at a sampling rate of 20 seconds.

NameMares Puck ProCressi Leonardo
Key Features- Slim design for a perfect fitLarge display for superior readabilityIntuitive user interface - Gas switching - Mineral gas display - One button control - Segment display- Single Button Interface: Modes: Air, Nitrox and Gauge - Large Numerical Displays, Back Light Feature for Low Light Conditions

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In general, Mares Puck Pro makes the best way to go. This model has better display brightness and better features. It can handle oxygen mixtures up to 99%, and the conservatism is adjustable. Although the dive log capacity is shorter, it offers a higher level of accuracy with a sampling rate of 5 seconds.

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