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Suunto Eon Core Dive Computer Review

by Arjan Ligtermoet
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Late 2017 Suunto surprised everyone with the sudden reveal of the Suunto Eon Core. Smaller, lighter and different buttons than the computer where it’s based on, the Suunto Eon Steel. The big question is of course: Is it better then its big brother?

Exterior

One of the biggest differences with the Suunto Eon Steel is it’s size. The Eon Core is roughly the size of the screen of the Eon Steel and therefore almost 25 procent smaller. One of the biggest cons of the Steel was its heavy weight of 12.2 ounces (348 grams). Suunto recognized this problem and managed to cut the weight in half to 5.4 ounces (154 grams) which is quitte impressive. New are also the three big buttons on the side which are a lot easier to press when wearing gloves. The provided strap is very long en should fit every suit, even drysuits.

Display

You would expect that because of the smaller body the display also suffers in size but this is not the case. The display has almost the same dimensions as the one from the Eon Steel. Suunto managed to keep it at the same resolution as well. The TFT screen is very easy to read in all circumstances and doesn’t suffer from any glare problems like we have seen on the Scubapro G2. This is truly on of the best displays we have seen so far on a high end dive computer. Don’t forget to put on the supplied display shield, the Suunto Eon Core a Miniral Crystal screen which scratches quitte easily.
Suunto Eon Core

The insides of the Suunto Eon Core

On the software side there are some minor changes to the Eon Core. All the main dive modes are still there: Multi gas diving up to 10 gasses ranging up to 99 procent enriched air and 95 procent helium. They kept on the closed circuit rebreather support and of course it’s possible to use the Eon Core in gauge mode. Other bells and whistles include a electronic compass which actually works and the option to connect a wireless tank pod. It’s even possible to monitor ten separate tank pods but this will set you back quitte some money since the tank pod usually goes for around 300 dollars. All is controlled by the Suunto Fused RGBM which includes deepstops and full decompression capabilities. The only option which is missing from the Eon Core in comparison with the Eons steel is the one to customize your display.

Connectivity

There are many ways to export your dives from your dive computer to a laptop or desktop computer. First of on the back there is a new interface port which doubles as a loading port. The loading cable/interface is equipped with a magnet which is easily attached to the back. The magnet is more than strong enough en you really need to put some force to it to get it off. Just plug in the interface to a laptop and off you go. The Eon Core is compatible with most popular dive log programs like Diverslog. Then there is also Bluetooth connectivity which only seems to work with the Suunto Movecount App. The app is free and available for android and IOS.
Suunto Eon Core

Battery Life

With a smaller body comes a smaller battery. Strangely this doesn’t impact the battery life at all. The seem to have managed to keep the power consumption down and the battery life is 20 hours in time mode, quitte the same as with the Eon Steel. This might even get better as they keep updating the computer as Suunto does with other models. These updates are usually for free and can be downloaded from the Suunto website .

Is the Suunto Eon Core worth a buy?

Yes! This is a great computer! Great features, great design and the best display we have seen so far. Should you upgrade from a Eon Steel; Most definitely not. The computers are largely the same and there are no features added with the Eon Core!

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