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Garmin Forerunner 645 vs Suunto Spartan Trainer Wrist HR Steel

Garmin Forerunner 645 Fitness Watch
Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR Steel Fitness Watch
Available colors
Editiorial reviews
10
3.8 out of 5
6 user ratings
5 stars
16 %
4 stars
50 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
5
5 editorial reviews
A new HR reader gives the Spartan Sport more muscleRead more
I think Suunto finally got their groove back.  After what I’d argue as 1-2 years of being a bit lost, today they’ve nailed it with a product that hits the target audience perfectly and does so at an awesome price. Read more
A cheaper multi-sport watch that's good for triathletesRead more
Read editorial reviews
User rating
53
4.0 out of 5
53 user ratings
5 stars
35 %
4 stars
37 %
3 stars
15 %
2 stars
9 %
1 stars
1 %
39
4.3 out of 5
39 user ratings
5 stars
46 %
4 stars
38 %
3 stars
12 %
2 stars
2 %
1 stars
0 %

Full Comparison

Display

Garmin Forerunner 645Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR SteelSuunto Spartan Trainer Wrist HR Steel
Screen resolution240 x 240 px218 x 218 px
Touchscreennono
Colour screenyesyes

Dimensions

Garmin Forerunner 645Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR SteelSuunto Spartan Trainer Wrist HR Steel
Gender
  • Men's
  • Women's
  • Men's
  • Women's
Width1.67 in1.81 in
Depth1.67 in1.81 in
Weight1.47 oz2.33 oz
Thickness0.53 in0.59 in

Design

Garmin Forerunner 645Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR SteelSuunto Spartan Trainer Wrist HR Steel
Colour of product
  • Beige
  • Black,Stainless steel
  • Grey
  • Purple
  • Black
  • Blue
  • Silver
  • White
Protection featuresWater resistantWater resistant
Waterproof depth550

Features

Garmin Forerunner 645Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR SteelSuunto Spartan Trainer Wrist HR Steel
Heart Rate MonitorBuilt-in
  • Built-in
  • Support for HRM chest strap
Calorie counteryesyes
Alarmyesyes
Altimeteryesyes
Date displayyesyes
Display lightyesyes
Pedometeryesyes
Sleep readingyesyes
Speedometeryesyes
Stopwatchyesyes
Timeryesyes
Vibration alarmyesyes

Connectivity

Garmin Forerunner 645Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR SteelSuunto Spartan Trainer Wrist HR Steel
Bluetoothyesyes
GLONASSyesyes
GPSyesyes

Power

Garmin Forerunner 645Garmin Forerunner 645
Suunto Spartan Trainer Wrist HR SteelSuunto Spartan Trainer Wrist HR Steel
Battery typeBuilt-inLi-Ion
Battery life (running)168.0 h10.0 h
Battery life (standby mode)7.0 day14.0 day

Pros & Cons

Pros
      Cons

          Often compared with Garmin Forerunner 645