Garmin Fenix 3 vs Garmin Forerunner 735XT

Last Updated & Fact Checked:  April 18, 2026

Are you trying to decide between the Garmin Fenix 3 and the Garmin Forerunner 735XT?

Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the Garmin Fenix 3 or the Garmin Forerunner 735XT – and find out exactly what the differences are.

Both the Garmin Fenix 3 and the Garmin Forerunner 735XT are quality products, so read on to find out which one is best for your needs!

Garmin Fenix 3 quick facts

Garmin Forerunner 735XT quick facts

Garmin Fenix 3 product details

Bestseller No. 1
Kissmart Charger for Fenix 3/Fenix 3 HR/Quatix 3/ Tactix Bravo/ D2 Bravo, Replacement Charging Cable Cord for Garmin Fenix 3 Heart Rate Smart Watch [3.3ft/1m]
  • ▶Compatibility: This charger compatible with Garmin Fenix 3, Fenix 3 HR, Quatix 3, Tactix Bravo, D2 Bravo. (with 3.3ft USB charging cable)
  • ▶Premium & Durable: The Fenix 3 charging cable is made of high quality wire, provides a stable charging performance, works like the OEM charger.
  • ▶Safe Protection: The Fenix 3 charger built in smart chip, protect your smart watch from over-current, over-voltage, over-circuit protection, offers a safe environment for charging.
  • ▶Convenient and Easy to Use: To get a charging just plug it into USB port on your PC, laptop, notebook, wall charger or car charger. Geting a better experience, we suggest you to use the recommended adapter (5V 1A).
  • ▶What You Get: 2 x charger for Fenix 3, Fenix 3 HR, Quatix 3, Tactix Bravo, D2 Bravo, with Sincerely after-sales service, if have any question we will deal with it for you within 24 hours.
Bestseller No. 2
TUSITA Charger Compatible with Garmin Fenix 3, Fenix 3 Sapphire, Fenix 3 HR, Quatix 3, Tactix Bravo,D2 Bravo - 1M, Smart Watch Accessories
  • 【Wide Compatibility】Compatible with Garmin Fenix 3, Fenix 3 Sapphire, Fenix 3 HR, Quatix 3, Tactix Bravo, D2 Bravo Smartwatch
  • 【Durable & Premium Quality】Made of high quality wire, ensure the excellent charging experience for your Device. Durable High-quality ABS + PVC Material and Copper Wire ensures Stable Current Transmission, which assures the quality of the charge
  • 【Fast Charge, Stable Performance】You can connect with the power adapter, car adapter, power bank, laptop and so on, those charging method can provide high efficiency and high stability charging experience for you
  • 【Safe Charging】This Charging Cable has Voltage Regulator and PTC Inside to protect your Device being damaged by overcurrent when connected to power source. Made of over- voltage and over - current protection, they will protect your watch from being damaged when charging
  • 【Compact & Lightweight】It is easy to carry when you go out. Compact and lightweight design is convenient for travelers and business users. Note: Please charge your smartwatch before the battery runs out
Bestseller No. 3
Garmin Fenix 5 - Silver with Granite Blue Band (Renewed)
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
  • Premium multisport GPS watch with Elevate wrist heart rate technology
  • Fit for adventure with rugged design that features stainless steel bezel, buttons and rear case
  • Put key stats at your fingertips with the performance widget that shows the effects and progress of your workouts, Battery life: up to 2 weeks in smartwatch mode, up to 24 hours in GPS mode or up to 60 hours in UltraTrac battery saver mode
  • Connected features include smart notifications, automatic uploads to Garmin Connect online fitness community and personalization through free watch faces and apps from our Connect IQ store

Garmin Forerunner 735XT product details

Bestseller No. 1
Garmin Forerunner 165, Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black
  • Easy-to-use running smartwatch with built-in GPS for pace/distance and wrist-based heart rate; brilliant AMOLED touchscreen display with traditional button controls; lightweight design in 43 mm size
  • Up to 11 days of battery life in smartwatch mode and up to 19 hours in GPS mode
  • Reach your goals with personalized daily suggested workouts that adapt based on performance and recovery; use Garmin Coach and race adaptive training plans to get workout suggestions for specific events
  • 25+ built-in activity profiles include running, cycling, HIIT, strength and more
  • As soon as you wake up, get your morning report with an overview of your sleep, recovery and training outlook alongside weather and HRV status (data presented is intended to be a close estimation of metrics tracked)
Bestseller No. 2
Waterproof Bands Compatible with Garmin Forerunner 735XT / Garmin Forerunner 235 / Garmin Approach S20, Classic Soft Sports Replacement Wristbands (black grey)
  • [20mm Quick Release Watch Band] Compatible with Fit for Garmin 735XT / Forerunner 220 / 230 / 235 / 620 / 630 / Approach S5 / Approach S6 / Approach S20 watch band with the matched screw drives, 【 NO Watch included.】
  • [Premium Waterproof Material] Garmin Forerunner 735XT Replacement Bands are Made of Soft, Flexible, Durable Elastomer that are Easy to Clean, Comfortable to Wear and eco-friendly for the human skin, Bringing Comfortable Experience When you Exercise, Sleep and Beyond.
  • [Compatible Size] Garmin Forerunner 235 Watch band between 6.7inches-8.85inches (170mm-225mm). 【Please measure your wrist and make sure the size before you purchase】
  • [Easy to Install] The Garmin Approach S20 Bands with quick release pins at both ends locks precisely and securely onto the smartwatch interface, allowing you to effortlessly switch styles for a new stylish look.
  • [Multiple Stylish Color Selection] Garmin Forerunner 735XT Watch Band for Men Women, fashionable classic color watch band in one pack, personalize your style and make your watch brand new. Each color gives you a difference wearing experience. It's best special gift for your lovers.
Bestseller No. 3
Garmin Forerunner 55, GPS Running Watch with Daily Suggested Workouts, Up to 2 Weeks of Battery Life, Black - 010-02562-00
  • Easy-to-use running watch monitors heart rate (this is not a medical device) at the wrist and uses GPS to track how far, how fast and where you’ve run.Special Feature:Bluetooth.
  • Battery life: up to 2 weeks in smartwatch mode; up to 20 hours in GPS mode
  • Plan your race day strategy with the PacePro feature (not compatible with on-device courses), which offers GPS-based pace guidance for a selected course or distance
  • Run your best with helpful training tools, including race time predictions and finish time estimates
  • Track all the ways you move with built-in activity profiles for running, cycling, track run, virtual run, pool swim, Pilates, HIIT, breathwork and more

New products & alternatives to the Garmin Fenix 3 and the Garmin Forerunner 735XT

New
Garmin 010-02906-10 Fenix 8 47mm Smartwatch, Solar Sapphire, Carbon Gray DLC Titanium w/Black/Pebble Gray Band Bundle with Screen Protector, 3X Silicone Dust Cover & USB Type C Charging & Sync Cable
  • Includes Full Garmin USA Protection - Garmin Fenix 8 47 mm, Solar Sapphire, Carbon Gray DLC Titanium with Black/Pebble Gray
  • RUGGED BY DESIGN: Built to endure, this premium design is dive-rated and features leakproof buttons, a metal sensor guard cover and always-on 1.3” solar charged display with scratch-resistant sapphire lens and titanium bezel. It’s tested to U.S. military standards for thermal, shock and water resistance.
  • BUILT-IN SPEAKER AND MICROPHONE: Make and take phone calls from your watch when it’s paired to your smartphone. Plus, control watch functions with off-grid voice commands or use your smartphone’s voice assistant to respond to text messages and more.
  • BUILT-IN LED FLASHLIGHT: A true integrated flashlight with variable light intensities and a red safety light gives you greater awareness in the dark, providing convenient illumination when you need it. Strobe mode can even match your running cadence.
  • ADVANCED STRENGTH TRAINING: Elevate your body’s performance with targeted strength training plans and sport-specific workouts for athletes of all types.
New
Garmin Tactix 8 51mm Sapphire Solar Elite Edition Smartwatch (Black) with Tempered Glass Screen Protector Film Bundle (13 Items)
  • Bundle Includes: Garmin Tactix 8 51mm Sapphire Solar Elite Edition Smartwatch with Built-In Flashlight (Black), Focus 9H Tempered Glass Screen Protector Film for Garmin Fenix 7X (51mm, 3-Pack)
  • Night Vision Capability: Whether viewed under NODs or operating in the dark, NVG mode allows for stealthy operation with controls to further dim brightness and black out the display to reduce detectability
  • Outdoor Maps Plus: Subscribe to Outdoor Maps Plus for premium mapping content, such as satellite imagery and enhanced topographic maps, downloaded directly to your smartwatch
  • Track Your Activities: Use preloaded activity profiles to get data and insight from your active pursuits. Even track team sport activities such as football, racquet sports and more
  • Morning Report: Get a customizable overview of your sleep2, training outlook, HRV status, weather and more as soon as you wake up
New
Garmin Instinct® 3 45mm, Solar Charged Display, Rugged Outdoor GPS Smartwatch, Metal-Reinforced Bezel, Built-in Flashlight, Black (Renewed)
  • Make a bold statement with this rugged GPS smartwatch, featuring a 0.9” display with solar charging lens and unlimited battery life with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions)
  • Engineered with a supertough 45 mm fiber-reinforced polymer case and metal-reinforced bezel
  • Built-in LED flashlight with variable intensities and strobe modes gives you greater visibility in the outdoors and provides convenient illumination when you need it
  • Know your body better with health monitoring features, including wrist-based heart rate, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries)
  • Navigate confidently with a 3-axis compass, barometric altimeter and multi-band GPS with SatIQ technology, which delivers superior positioning while also optimizing battery life
New
Garmin QuickFit Watch Bands (22mm), suitable for selected fēnix-, epix-, Descent-, D2-, Instinct-, Forerunner- and Approach series smartwatches, Original accessory, Silicone, Graphite/Black
  • Original Garmin handheld device accessory.
  • Replacement QuickFit band for the fenix 8 PRO watches (22mm QuickFit for fenix 8PRO 47mm; 26mm QuickFit for fenix 8PRO 51mm).
  • Just swap, click and go with these interchangeable bands for your compatible watch. Choose leather, metal or silicone to change your watch's look and feel in a snap. It's easy to switch, and always secure. No tools required.
  • 22mm QuickFit band also compatible with Instinct 3/E 45mm; fenix 8/E 47mm; fenix 7/7 PRO. Check manufacturer website for full compatability list.
  • 26mm QuickFit band also compatible with fenix 8 51mm; fenix 7X/ 7X PRO; Instinct 3 50mm. Check manufacturer website for full compatability list.
New
Garmin fēnix® 8 – 51 mm, AMOLED, Premium Multisport GPS Smartwatch, Long-Lasting Battery Life, Dive-Rated, Built-in LED Flashlight, Slate Gray with Black Band (Renewed)
  • Advanced multisport GPS smartwatch for athletes/adventurers features a big, bright 1.4” AMOLED display, stainless steel bezel, enhanced graphical interface and a built-in LED flashlight for after- dark visibility
  • Power up your body’s performance, endurance and resistance to injury with targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps
  • Battery performance: up to 29 days in smartwatch mode; up to 84 hours in GPS mode
  • Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked)
  • For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more

Our conclusion on the Garmin Fenix 3 vs Garmin Forerunner 735XT

Both the Garmin Fenix 3 and the Garmin Forerunner 735XT are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.

Either way, the Garmin Fenix 3 and the Garmin Forerunner 735XT are both excellent products that will more than do their job!