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In this post, I’ll be comparing two very attractive and well equipped smartwatches; The Gen 5 Calyle from Fossil and Versa 2 from Fitbit. While the Gen 5 runs on Google’s Wear OS, Versa 2 runs on proprietary Fitbit OS, yet these two smartwatches offer about the same features. i.e, each of these two is designed to track daily activity and help you manage your fitness goals, as well as offers music storage, voice assistant, notifications update and otherwise. The price range differs though, which is why this comparison between Versa 2 vs Gen 5 will help you decide which is a better smartwatch for you.

Fitbit Versa 2 vs Fossil Gen 5 Full Specs Compared

  Fitbit Versa 2 Fossil Gen 5
Versa 2 full specs fossil gen 5 full specs


Device name Fitbit Versa 2 Fossil Gen 5 Calyle
Device type Sport/Fitness smartwatch Classic/Fitness smartwatch
Predecessor Fitbit Versa Fossil Gen 4 Explorist
Successor None N/A
Date Released September, 2019 August, 2019
Gender Unisex Men



Display size 1.4 inch 1.28 inch
Display type AMOLED AMOLED (Always-on)
Display resolution -- 416 x 416 pixels
Pixel density -- --
Display always-on Yes Yes
Input type Touchscreen and 1 button Touchscreen plus 3 physical buttons


Shape Rectangular/curved Circular
Casing material Aluminum Stainless steel
Strap material Elastomer Stainless steel
Bezel Material Aluminum Stainless steel
Weight -- --
Color(s) Carbon/black
Bordeaux/copper rose
Petal/copper rose
Stone/mist grey
Black silicone/steel
Dark Brown/black steel
Smoke stainless steel
Dimension 40 x 40 x 11 mm 44 x 44 x 12 mm
Strap size 140 - 180 mm (small)
180 - 220 mm (large)
Screen protection Corning Gorilla glass Corning Gorilla glass
Durability test
Waterproof rating Yes, 5ATM Yes, 3ATM


Time/Date Yes Yes
Alarm Yes Yes
Stopwatch Yes Yes


RAM -- 1GB
Internal storage About 4GB 8GB
Memory card slot No No


Audio mp3/mp4 mp3/mp4
Microphone Yes Yes
Loudspeaker No Yes
Camera No No
Music streaming Yes Yes


Bluetooth Bluetooth v4.0 LE Bluetooth smart v4.2 LE
NFC Yes Yes
Wi-Fi Yes Yes
Bluetooth calling No Yes


Calls alert Yes Yes
SMS alert Yes Yes
Email alert Yes Yes
Reminder Yes Yes


Network Technology No No


Steps Yes Yes
Distance Yes Yes
Calories Yes Yes
Floors climbed Yes Yes
Sleep tracking Yes Yes
Heart rate monitoring Yes Yes
VO2 Max. Yes Yes
Stress Yes Yes
Swim tracking Yes Yes
Menstrual cycle tracking Yes No
Blood pressure No No
ECG Tracking No No
Blood oxygen Yes No
Preloaded sport modes Yes Yes


Operating system Fitbit OS Wear OS
CPU -- --
GPU -- --
Chipset -- Qualcomm Snapdragon 3100


GPS No, (connected GPS) Yes
Accelerometer Yes Yes
Gyroscope __ Yes
Heart rate sensor Yes Yes
Barometer Yes Yes
Compass No No
Pulse Ox. Yes No
Altimeter __ __
Thermometer No No
Ambient light Yes Yes


Interchangeable straps Yes Yes, 22mm
Custom watch face Yes Yes
Voice Assistant Yes Yes
Compatibility Android, IOS

Check supported devices
Android 6.0 (excluding Go edition)+
iOS 10.0+
Payment system Fitbit Pay Google pay
Companion app Fitbit App Fossil Q app


Battery type Non-removable lithium polymer Non-removable Li-ion battery
Battery capacity -- 310mAh
Est. battery life Mixed usage: up to 6 days Standby: 3 days+
Mixed usage: 1 day+
Charging mode USB based charging dock Inductive charging magnet
Charging duration About 1-2 hours About 1-2 hours


Fitbit Versa 2 Fossil Gen 5 Calyle
Classic wristband (both small & large) Straps
Magnetic charging dock Inductive charging magnet
Quick start guide Quick start guide

Fitbit Versa 2 vs Fossil Gen 5: The Differences

  2. Of all the top smartwatches released last year, the Gen 5 and Versa 2 are two of the most attractive. Although, I like the design of Gen 5 more, I thinks it’s more prestigious and attractive than Versa 2. It’s oversized design and stainless steel bezel makes it bold and rugged. However, Versa 2 is a more comfortable smartwatch to wear judging from its lesser weight, more compact size, yet has a larger 1.4 inches display compared to 1.28 inches. AMOLED powers the display on both smartwatches which is vivid and very colorful, both watches also support touchscreen in addition to physical buttons of which Gen 5 has more.

    The straps that come with Versa 2 is made of elastomer (Special edition comes with additional jacquard woven straps) compared to Gen 5 stainless steel straps. Mind you, the Gen 5 straps are also available in leather material. Moreover, you can swap straps on both watches with any compatible straps that are available in different materials.

  3. Both Watches are Water Resistant
  4. Both smartwatches are waterproof with Gen 5 rated 3ATM and Versa 2 rated 5ATM. Versa 2 has a higher waterproof rating of up to 50 meters which makes it a better watch for you if you like to track your swimming activities.

  5. Media and Storage
  6. Both Versa 2 and Gen 5 allow you to store your favorite tracks on the watch, but Gen 5 with 8GB compared to 4GB of Versa 2 will allow you store more of your tracks. Both watches also support streaming with select services like Spotify. In addition, while Google Assistant is on Gen 5, Alexa is the voice assistant on Versa 2. I think these are some of the most intelligent AI programs that can help you do tasks with your voice.

    While a microphone is available on both smartwatches, only Gen 5 comes with a loudspeaker that enables voice calling by connecting to your phone Bluetooth. This feature comes handy in certain situations.

  7. Activity Tracking
  8. Both Versa 2 and Gen 5 are marketed as fitness-focused smartwatches and designed to track your daily activities and help you manage your fitness goals with the respective compatible apps. Google Fit indigenous to Wear OS smartwatches will help you manage your fitness goals on Gen 5, while Fitbit app does the same for Versa 2. Each of these two will track your sleep, heart rate, calories, floors climbed, steps and outdoor activities.

    However, going by the share amount of activity tracking features present on Versa 2 such as stress management, fitness level, menstrual cycle tracking, blood oxygen and onscreen workout coach, I think it’s a more comprehensive fitness tracker than Gen 5 which relies mostly on third-party apps to achieve some of these features.

  9. Fitbit OS vs Wear OS
  10. Both operating systems have something to write home about that tend to meet the need of the average user. Even though Wear OS isn’t there just yet when compared to Tizen OS or the new Watch OS from Apple, I still think it’s a more holistic OS than Fitbit OS which offers limited access to apps.

  11. Battery Life

When Snapdragon 3100 was announced two year ago, it did come with some new features which included battery saver feature for Wear OS smartwatches. This feature allows the Gen 5 to last just about 2 days or even more, and with mixed usage, it’s about a day. This is far less than about 5 days long battery life with Versa 2.

Bottom Line

Versa 2 is a better comprehensive fitness tracker, it’s a better smartwatch for anyone looking for a smartwatch that can track your active life and lets you go longer from a single charge, while Gen 5 has more features that can improve your productive life.


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