Garmin Forerunner 745 vs Forerunner 945

Garmin Forerunner 945 and Forerunner 745 are two of the finest Forerunner watches around. Both watches make compelling choices as value-for-money smartwatches for runners.

We look at some of the main differences in features and capabilities of the Forerunner 945 and Forerunner 745 below.

Main differences

The main differences between the Garmin Forerunner 945 and Forerunner 745 are given below:

  • Garmin Forerunner 945 uses the 3rd generation DX-coated Corning Gorilla Glass while Forerunner 745 uses the 1st generation DX-coated Corning Gorilla Glass in the display lens.
  • Garmin Forerunner 945 is broader than Forerunner 745. Forerunner 945 has a size of 47 mm while Forerunner 745 has a size of 44 mm.
  • Forerunner 945 offers longer battery backup than the Forerunner 745.
  • Forerunner 945 has higher device storage (16 GB) than Forerunner 745 (4 GB).
  • Forerunner 945 is fully compatible with Garmin Golf. Forerunner 745 does not support Golf.
  • Garmin Forerunner 945 also comes with preloaded topo maps, road maps, and trail maps.
  • Garmin Forerunner 945 was released in April 2019 and Forerunner 745 was released in September 2020.

We look at these features in detail below.

Garmin Forerunner 745 rear side

Display specifications

Forerunner 945 is a broader watch and the display is bigger than the display of Forerunner 745.

The chief display difference, however, lies in the display lens. Forerunner 945 uses 3rd generation DX-coated Corning Gorilla Glass and Forerunner 745 uses 1st generation DX-coated Corning Gorilla Glass.

Apart from this, both watches use the MIP screen or Memory-in-pixel screen.

We look at a quick summary of display features of Forerunner 945 and Forerunner 745 below.

Display specificationsGarmin Forerunner 745Garmin Forerunner 945
Display lensCorning Gorilla Glass DXCorning Gorilla Glass 3 DX
Display size1.2″ or 30 mm1.2″ or 30 mm
Display typeMIP (Memory-in-pixel)MIP (Memory-in-pixel)
Display resolution240 x 240 pixels240 x 240 pixels
Color displayYesYes
Ambient light sensorNoNo
LED FlashlightNoNo

Forerunner 745 and Forerunner 945 lack touchscreen functionality. You will need to make use of the tactile buttons for performing all tasks through both watches.

Physical specifications

Forerunner 745 and Forerunner 945 have all the basic functionality expected of a Forerunner series smartwatch. Except for the physical size difference, almost all the physical attributes are similar for both watches.

Physical specificationsForerunner 745Forerunner 945
Watch size43.8 x 43.8 x 13.3 mm47 x 47 x 13.7 mm
Thickness13.3 mm13.7 mm
Watch weight47 g50 g
Watch bodyFiber-enforced polymerFiber-enforced polymer
Band materialSiliconeSilicone
Band size22 mm22 mm
Water rating5 ATM5 ATM
Device storage4 GB16 GB
NFC or Contactless PaymentsGarmin PayGarmin Pay
Swimming profilesPool Swimming, Open Water Swimming, SwimrunPool Swimming, Open Water Swimming, Swimrun
Wireless ConnectivityANT+, Bluetooth, Wi-FiANT+, Bluetooth, Wi-Fi
Multi-band GPSNoNo
Barometric altimeterYesYes

Some significant features of Forerunner 745 and Forerunner 945 include the following:

  • 5 ATM water rating or 50 Meters of water resistance
  • NFC or Contactless payments through Garmin Pay
  • Wireless connectivity includes ANT+, Bluetooth, and Wi-Fi

Although Forerunner 945 is bigger than Forerunner 745, the screen area remains unchanged between the two watches.


The battery backup of Forerunner 945 is almost twice the backup offered by Forerunner 745. A list of battery backup offered on different watch modes is shared below for both watches.

Watch modeForerunner 745Forerunner 945
Smartwatch modeUp to 7 daysUp to 14 days
GPS mode without musicUp to 16 hours Up to 36 hours
GPS mode with musicUp to 6 hoursUp to 10 hours
UltraTrac mode: Up to 21 hours

Both Forerunners come with decent battery back. But, Forerunner 945 has longer battery backup than Forerunner 745.


Forerunner 945 and Forerunner 745 offer full music functionality. You can manage the following music features on a Forerunner 945 or Forerunner 745:

  • You can control and play music on the paired smartphone using the smartwatch
  • You can store music content on the smartwatch storage
  • You can manage the smartwatch music directly from the watch interface
  • You can download apps like Spotify from the ConnectIQ store and stream music with a premium subscription
Garmin Forerunner 945 rear side


Forerunner 945 and Forerunner 745 support GPS, GLONASS, and GALILEO satellite networks.

However, both watches do not support multi-band GPS. Both watches are missing the multi-frequency positioning sensor. The multi-frequency positioning sensor is needed to offer multi-band GPS capability on the smartwatch.

LTE Connectivity

Forerunner 945 comes in two different variants. There is a standard edition and an LTE edition.

The LTE edition of Forerunner 945 comes with the ability to connect to LTE networks directly from the smartwatch. This means that you do not need to carry the paired smartphone at all times. You can connect to the cellular networks directly from the watch.


Forerunner 945 costs $499.99 for the standard edition and $599.99 for the LTE edition. Forerunner 745 costs $499.99.

Final verdict

Forerunner 945 and Forerunner 745 have the same list price.

Things that work in favor of Forerunner 745:

  • Forerunner 745 is a newer variant.

Things that work in favor of Forerunner 945:

  • Forerunner 945 supports Golf.
  • It has a higher device storage or internal storage of 16 GB
  • Forerunner 945 uses the 3rd generation DX-coated Corning Gorilla Glass in the display
  • You do have an option to get the LTE variant by opting to pay an additional cost of $100

At the end of the day, it all boils down to your specific goals for the Forerunner range. Both, Forerunner 945 and Forerunner 745 make smart running smartwatch choices.

Suggested watch comparisons

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