Garmin Forerunner 745 vs Forerunner 945 – Product Comparison

Garmin Forerunner 745 vs Forerunner 945 – Product Comparison

Despite being $100 cheaper than the Forerunner 945, the Forerunner 745 packs almost all of the same technology and features as the FR945. 

For this reason, you can think of the Forerunner 745 as a Forerunner 945 Lite. There are a few important differences, but the simple truth is that these watches are extremely similar. To classify each watch in one sentence. 

Forerunner 745 – Premium GPS Triathlon watch with music storage. 

Forerunner 945 – Premium GPS Triathlon watch with music storage, topographical maps, golf tracking and a much better battery life. 

Now let’s dive into the nitty gritty. 

Table of Contents

Key Similarities - Forerunner 745 vs Forerunner 945

Forerunner 745

Forerunner 945

GPS, GLONASS & GALILEO

Wrist-based HRM

Optical HRM Under Water

Triathlon Mode

Indoor + Outdoor Running

Indoor + Outdoor Cycling

Indoor + Outdoor Swimming

Indoor + Outdoor Rowing

Music Storage

Payments from Watch

Garmin Running Power

3rd Party Running Power

Advanced Running Metrics

Garmin Running Coach

Garmin PacePro

Body Battery Score

Barometric Altimeter

Gyroscope + Accelerometer + Compass

Pulse Oximeter

Bluetooth, ANT+, Wi-Fi

Garmin Connect IQ

Garmin ClimbPro

Temperature + Altitude Acclimation

Training Load + Training Focus Metrics

Respiration Rate

Safety/Incident Detection

Point-to-Point Navigation

Screen Resolution

240 x 240 pixels

240 x 240 pixels

Lens Material

Corning® Gorilla® Glass DX

Corning® Gorilla® Glass DX

Display Size

1.2" (30.4 mm) diameter

1.2" (30.4 mm) diameter

Waterproof Rating

5 ATM

5 ATM

Garmin Forerunner 745

Garmin Forerunner 945

Key Differences - FR745 vs FR945

FR745

FR945

Dimensions

43.8 x 43.8 x 13.3 mm

47 x 47 x 13.7 mm

Weight

47 grams

50 grams

Smartwatch Battery

Up to 7 Days

Up to 14 Days

GPS Battery

Up to 16 Hours

Up to 36 Hours

UltraTrac GPS Battery

Up to 21 Hours

Up to 60 Hours

Music Storage Capacity

Up to 500 songs

Up to 1000 songs

Daily Workout Suggestions

Golf Mode

40,000+ Pre-loaded Golf Maps

Topographical Maps

Garmin Forerunner 745

Garmin Forerunner 945

Sports Modes Comparison

  1. Strength
  2. Cardio Training
  3. Elliptical Training
  4. Stair Stepping
  5. Floor Climbing
  6. Indoor Rowing
  7. Pilates
  8. Yoga
  9. Running
  10. Treadmill Running
  11. Indoor
  12. Outdoor Track Running
  13. Virtual Running
  14. Trail Running
  15. Hiking
  16. Skiing
  17. Snowboarding
  18. Backcountry Skiing
  19. XC Classic
  20. Skate Skiing
  21. Stand up Paddleboarding
  22. Kayaking
  23. Rowing
  24. Cycling
  25. Indoor Cycling
  26. Mountain Trail Biking
  27. Pool Swimming
  28. Open Water Swimming
  29. Swimrun
  30. Triathlon
  1. Strength
  2. Cardio Training
  3. Elliptical Training
  4. Stair Stepping
  5. Floor Climbing
  6. Indoor Rowing
  7. Pilates
  8. Yoga
  9. Running
  10. Treadmill Running
  11. Indoor
  12. Outdoor Track Running
  13. Virtual Running
  14. Trail Running
  15. Hiking
  16. Skiing
  17. Snowboarding
  18. Backcountry Skiing
  19. XC Classic
  20. Skate Skiing
  21. Stand up Paddleboarding
  22. Kayaking
  23. Rowing
  24. Cycling
  25. Indoor Cycling
  26. Mountain Trail Biking
  27. Pool Swimming
  28. Open Water Swimming
  29. Swimrun
  30. Triathlon
  31. Golf Tracking

Summary of Differences

  1. Topographical Maps – The Forerunner 945 includes full-color onboard maps to guide you on your run, hike or mountain biking session. This tech is usually reserved for the Fenix and Marq range, but it sits very well in the FR945. It is particularly valuable for trail runners, but it’s also great for city running. 
  2. Golf Mode – The Forerunner 945 is basically a triathlon watch that doubles as a dedicated golf watch. You get almost all the golf features that you can access in the Garmin Approach S60 (premium Garmin golf watch). 
  3. Additional Music Storage – The Forerunner 745 can store up to 500 songs. The Forerunner 945 can store up to 1000 songs. The extra space should come in handy if you’re passionate about training with music. 
  4. Better Battery Life: The battery life of the FR945 is twice as long as the battery life of the FR745. This applies to smartwatch mode, standard GPS battery life and GPS + music mode. 
  5. Daily Workout Suggestions: Only the FR745 gives you daily workout suggestions (at this point in time). These are run and ride recommendations based on your current training load and training status
  6. Price – The recommended selling price of the FR745 is $100 cheaper than the RSP of the FR945. If you don’t play golf and you’re not into trail running, it should be pretty safe to just opt for the cheaper unit (FR745). 

Garmin Forerunner 745

Garmin Forerunner 945

Final Thoughts

In the end, this product battle boils down to a few key points. These final buying tips may help you make a decision if you’re still on the fence. 

Go for the Forerunner 745 if: 

  • You want a budget friendly Forerunner 945
  • You don’t play golf
  • You don’t mind the shorter battery life
  • You are unlikely to use the full color TOPO maps

Go for the Forerunner 945 if: 

  • You want a Garmin Fenix 6 packaged into a Forerunner 945 frame
  • You play golf regularly 
  • You are likely to use the full color TOPO maps reasonably often
  • You want a much bigger battery life
  • You training with music often and want additional storage space

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