Common features found in the TomTom Golfer 2, TomTom Golfer 2 SE, Garmin S20 and X40
List of Hazard distances – displays the layup and carry distances to the front and back of all water hazards and sand traps for each hole.
List of Layup and Dogleg distances – displays a list of layup and dogleg distances for each par 4 and 5 hole. The layup and dogleg distances will appear on the left on the screen and the distances required to reach each layup or dogleg appears on the right. The layup distances are given for the 250, 200, 150 and 100 yard markers. The distances are almost as accurate as the distances from any of the best budget golf rangefinders from Callaway or Nikon.
Automatic Shot Detection and Tracking – It will automatically detect and record your shot locations along the fairway. It will not record most putts and chip shots. It will record the distance and location of each of the shots that were detected. You will be able to view this information online after the round is over. You will be able to see the hole and where each of your shots went along with the distance of each shot.
Digital scorecard with stat tracking – makes it easy to tally the numbers for each round
Post-game analysis – save, review and upload your stats to an online golf community for post-game analysis
View shot locations on any mobile device – All 4 watches have apps that will display the shot patterns and locations for all of the shots that they detect on the golf course. The TomTom Golfer 2 will allow you to sync your watch to the TomTom Sports app installed on your smartphone after your round to view your shot history. You will have access to easy-to-read data, broken down into all the important areas of the game including how many fairways you hit and to which side you missed them most often.
TomTom Golfer 2 vs Golfer 2 SE
Features only found in the TomTom Golfer 2 (and not found in the Golfer 2 SE):
Premium Watch Band
24/7 Activity Tracking – The TomTom Golfer 2 has a fitness tracker that tracks steps, calories burned, distance walked, and sleep time.
Garmin Approach S20 and X40
Features only found in the Garmin Approach X40 (and not found in the Garmin X20):
Vibrating Smartphone Notifications – vibrates when smartphone notifications, including call, text, email or alert, appear on your watch. The Garmin S20 uses an audio tone for smartphone notifications.
Touchscreen – Swipe to scroll through features, data screens, and menus and tap to select
Wrist-based heart rate monitoring – Only the Garmin X40 comes with Wrist-based heart rate monitoring. A heart rate sensor is on the back of the device and you should wear the Approach X40 device above your wrist bone. It comes with a heart rate graph that displays your heart rate for the last 4 hours, your lowest heart rate in beats per minute (bpm), and your highest heart rate during that 4 hour period.
TomTom Golfer 2 vs Garmin S20
Features only found in the Garmin S20 (that are not found in the TomTom Golfer 2):
Club tracking feature – When enabled, after each shot, you will be asked which club you used and you will be presented with a list of clubs to choose from. The watch will keep track of the clubs you used as well as the average shot distance for each of these clubs. When you download your round info to Garmin connect, it will show you information about each of the holes you just played including shot locations and shot distances for each club. You will be able to record the club used for each shot either during the round or after.
Movable pin location – move the pin location to reflect that day’s location to get more accurate distances
Smart notifications – Receive smart notifications for incoming calls, texts and other alerts from your bluetooth-enabled smartphone
Sleep monitoring – The device will monitor your movement while you are sleeping. Sleep statistics include total hours of sleep, sleep levels, and sleep movement. You can set your normal sleep hours in the user settings on your Garmin Connect account and you can view your sleep statistics on your Garmin Connect account. The TomTom Golfer 2 only monitors your sleep time.
Garmin S20 has a longer battery life – On a single charge, the battery for the Garmin S20 will last for 15 hours or 3 rounds on the golf course. The TomTom Golfer 2 will only last for 10 hours or 2 rounds.
Garmin S20 is smaller and more comfortable – The watch face of the Garmin S20 takes up less space on your wrist than the watch face of the TomTom Golfer 2. This is better for people with smaller wrists and it is less likely to affect your golf swing.
Features only found in the TomTom Golfer 2 (and not found in the Garmin S20):
Manual Shot Tagging – manually tag shots by simply putting your palm over the watch just in case your shots go undetected. The Garmin S20 will not allow you add any undetected shots.
Auto-Scorecard – It will record and categorize the kind of shots you’ve taken for analysis afterwards on the MySports app so you can identify improvements for your next round. Only your putts have to be added in manually as you play.
Vibration alert and beep for shot detection – automatic shot detection built-in to the watch recognizes your shots on the fairway (but not putts) and lets you know with a beep and subtle vibration on your wrist after your swing. You can turn off this feature or just turn off either the vibration or beep.
TomTom Golfer 2 vs Garmin X40
Features only found in the Garmin X40 (that are not found in the TomTom Golfer 2):
Club tracking feature
Movable pin location – move the pin location to reflect that day’s location to get more accurate distances
Smart notifications – Receive smart notifications for incoming calls, texts and other alerts from your bluetooth-enabled smartphone
Sleep monitoring
Wrist-based heart rate monitoring
Features only found in the TomTom Golfer 2 (and not found in the Garmin X40):
Manual Shot Tagging – manually tag shots by simply putting your palm over the watch just in case your shots go undetected. The Garmin X40 will not allow you add any undetected shots.
Auto-Scorecard – It will record and categorize the kind of shots you’ve taken for analysis afterwards on the MySports app so you can identify improvements for your next round. Only your putts have to be added in manually as you play.
Vibration and beep for swing detection – automatic shot detection built-in to the watch recognizes your shots on the fairway (but not putts) and lets you know with a beep and subtle vibration on your wrist after your swing. You can turn off this feature or just turn off either the vibration or beep.
TomTom Golfer 2 vs Golfer 2 SE vs Garmin S20 vs X40 Golf GPS Watches Comparison Chart
| Features |  Learn More |  Learn More |  Learn More |  Learn More |
|---|---|---|---|---|
| Strong Points | -Dedicated Green View button with manual pin position | -Dedicated Green View button with manual pin position | -Step Counter | -Touchscreen |
| Weak Points | -Black and White Display | -Black and White Display | -Black and White Display | -Black and White Display |
| Display Size | 0.87 x 0.98 inches | 0.87 x 0.98 inches | 0.9” x 0.9” (23 x 23 mm) | 1.00” x 0.42” (25.4 x 10.7 mm) |
| Display resolution | 144 x 168 pixels | 144 x 168 pixels | 128 x 128 pixels | 160 x 68 pixels |
| Product Dimensions (in inches) | Thickness: 0.54 inches | Thickness: 0.54 inches | 1.5 x 0.4 x 1.9 in 37.4 x 47.6 x 11.3 mm | 2.5 x 0.5 x 0.8 inches Width: 0.83” (21.1 mm) Regular: 5.4”-7.7” (137-195 mm) circumference X-large: 6.4"-8.9" (162-225 mm) circumference |
| Weight (in ounces) | 60.8 grams | 49 grams | 1.5 oz (42.2 g) | 1.1 oz (31 g) |
| Display type | sunlight-visible, transflective memory-in-pixel (MIP) | sunlight-visible, transflective memory-in-pixel (MIP) | sunlight-visible, transflective memory-in-pixel (MIP) | sunlight-visible, transflective memory-in-pixel (MIP) |
| Hole View - Displays Current hole number; Distance to the back, middle and front of the green; Par for the hole | Yes | Yes | Yes | Yes |
| Green View - Green View shows you the true shape and layout of greens so even if you have an obstructed view, you’ll know where to aim. Also with the Garmin S20 and X40, you can move the pin or flag manually to reposition it to match that days’ location for even more accurate yardage. | Yes | Yes | Yes | Yes |
| Layup and Dogleg Distances - View a list of layup and dogleg distances for par 4 and 5 holes. | Yes | Yes | Yes | Yes |
| Smartphone Notifications - read text, email or alert from your smartphone that is hidden somewhere in your bag | Feature not available in the TomTom Golfer 2 | Feature not available in the TomTom Golfer 2 SE | Yes | Yes |
| AutoShot Round Analyzer with Garmin Connect - On the course, the Approach S20’s AutoShot round analyzer tracks shots, measures distance and records shot locations for post-round analysis on Garmin Connect. On the course, Approach X40’s AutoShot round analyzer automatically detects and records your shots along the fairway. The device will record your locations and measure distances for post-round analysis on Garmin Connect. Automatic shot detection works best when you make good contact with the ball. Your putts are not detected. You can view the details for each round or analyze your cumulative stats over time or by club, and view your swing data. It's never been easier to track your progress and share it with friends. You can even save swing sessions for later review. | Feature not available in the TomTom Golfer 2 | Feature not available in the TomTom Golfer 2 SE | Yes | Yes |
| Viewing Hazards - View the distances to the front and back of the nearest hazard along the fairway for par 4 and 5 holes. Hazards that affect shot selection are displayed individually or in groups to help you determine the distance to layup or carry. You can use the up or down button to view the other hazards for the current hole. | Yes | Yes | Yes | Yes |
| Digital Scorecard - Approach S20 golf watch easily keeps track of your score throughout your round. Auto-Scorecard - The TomTom Golfer 2 has an Auto-Scorecard feature that will adjust your score automatically as you play your shots and it will include manually tagged shots. | Yes | Yes | Yes | Yes |
| Activity Tracking - includes Step Counter, Sleep Monitor, Calories Burned Counter, Move Bar Inactivity alert, Distance Traveled | Yes | No | Yes | Yes |
| Heart Rate Monitor | No | No | No | Yes |
| Truswing Compatible - When paired, Garmin TruSwing golf swing sensor provides metrics to improve your swing consistency | Feature not available in the TomTom Golfer 2 | Feature not available in the TomTom Golfer 2 SE | Yes | Yes |
| Clock Features (includes time, date, GPS Time Sync, Automatic daylight saving time, Alarm clock, Sunrise/sunset times) | Yes | Yes | Yes | Yes |
| Before you play golf, you must wait until the device acquires satellite signals and calculates your location, which may take up to 30 to 60 seconds. Then you can select a course from the list. You will get access to more than 40,000 courses, free lifetime course updates and you will not have to pay any annual membership fees | Yes | Yes | Yes | Yes |
| Automatic Shot Detection | Yes | Yes | Yes | Yes |
| Manual Shot Tagging - sometimes small variations in the swing can cause the shot to go undetected so you can manually tag shots by putting your palm over the watch | Yes | Yes | No | No |
| Shot Distance Calculator - Displays the distance of the last shot | Yes | Yes | Yes | Yes |
| Smartphone Notifications for incoming calls, texts and other alerts | No | No | Yes | Yes |
| Clock Features (includes time, date, GPS Time Sync, Automatic daylight saving time, Alarm clock, Sunrise/sunset times) | Yes | Yes | Yes | Yes |
| Color display | No | No | No (Monochrome) | No (LCD) |
| Touchscreen | No | No | No | Yes |
| Running Features | No | No | No | Yes |
| Preloaded run profiles | No | No | No | Yes (Running) |
| GPS-based distance, time and pace | No | Yes | No | Yes |
| Foot pod capable | No | No | No | No |
| Yardage to front, middle and back of green | Yes | Yes | Yes | Yes |
| Yardage to layups/doglegs | Yes | Yes | Yes | Yes |
| Auto course recognition | Yes | Yes | Yes | Yes |
| Auto hole advance | Yes | Yes | Yes | Yes |
| Round odometer | Yes | Yes | Yes | Yes |
| Touch-targeting (touch target on display to see the distance to any point) | No | No | No | No |
| PinPointer blind shot assistance | No | No | No | No |
| Dedicated Green View button with manual pin position | Yes | Yes | Yes | Yes |
| Custom targets | Yes | Yes | No | No |
| Stat tracking (strokes, putts per round, greens and fairways hit and average shot distance) | Yes | Yes | Yes | Yes |
| Preloaded Golf Course Maps | 40,000+ worldwide golf courses | 40,000+ worldwide golf courses | 40,000+ worldwide golf courses | 40,000+ worldwide golf courses |
| Course preview (see detailed, hole-by-hole preview) | No | No | No | No |
| SwingTempo | No | No | No | No |
| Tempo Training | No | No | No | No |
| TruSwing compatible | Yes | Yes | Yes | No |
| Memory/history | 1 GB | 1 GB | 64 MB | 64 MB |
| Waterproof | Yes | Yes | Yes | Yes |
| Water rating | 40 m / 130 feet (5 ATM) | 40 m / 130 feet (5 ATM) | 5 ATM (50 meters) | 5 ATM (50 meters) |
| Free Lifetime Course Updates | Yes | Yes | Yes | Yes |
| Annual Fees Or Subscriptions | None | None | None | None |
| Battery Life | Up to 11 hours (GPS Mode) | Up to 11 hours (GPS Mode) | Smart mode: Up to 8 weeks GPS mode: Up to 15 hours | Smart mode: Up to 5 days GPS/HR mode: 10 hours |
| Legal For Tournament Play | Yes | Yes | Yes | Yes |
