Average score
Product 1: Polar Street X
3.7
Product 2: Garmin Approach S70
4.2
app ecosystem
Product 1: Polar Street X
2.8

One comparison-heavy review says Garmin still has the stronger ecosystem, so the Street X competes more on simplicity and value than platform depth.

Product 2: Garmin Approach S70
4.8

Garmin’s broader golf ecosystem was praised for keeping practice, round, and device data inside one connected setup.

band quality
Product 1: Polar Street X
4.2

The strap setup looks solid, with easy swapping and a texture one reviewer specifically liked.

Product 2: Garmin Approach S70
3.6

The integrated strap feels comfortable on the wrist, but several reviewers disliked that it does not lay flat when removed.

battery life
Product 1: Polar Street X
4.5

Battery life is one of the headline strengths, with claims and testing clustering around roughly a week-plus of heavy use or up to 10 days in smartwatch mode.

Product 2: Garmin Approach S70
4.7

Battery life was one of the strongest themes, with reviewers consistently reporting multi-round endurance and far longer runtime than an Apple Watch.

blood oxygen tracking
Product 1: Polar Street X
1.0

Multiple reviews explicitly note that the Street X does not include SpO2 hardware, making blood-oxygen tracking a clear omission.

Product 2: Garmin Approach S70
4.2

Pulse ox and blood-oxygen tracking are included and were cited as part of the S70’s broader health monitoring suite.

Bluetooth connectivity
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.0

Bluetooth audio support is present for music listening, with reviewers noting headphone pairing and Bluetooth music use.

brightness
Product 1: Polar Street X
4.0

Brightness lands in the solid-not-exceptional range: around 1,000 nits and generally good enough, but not class-leading.

Product 2: Garmin Approach S70
4.8

The screen was consistently described as bright enough for sunny rounds and easy to read in strong light.

build quality
Product 1: Polar Street X
4.4

Build quality gets favorable comments for its rugged, protective construction, even if it is not luxurious.

Product 2: Garmin Approach S70
4.3

Reviewers described the watch as well built, with a premium feel that matches its flagship positioning.

button controls
Product 1: Polar Street X
4.2

Button controls are a strength, with large, textured, easy-grip hardware repeatedly called out.

Product 2: Garmin Approach S70
4.3

The three-button layout was generally seen as easy to learn and helpful for navigating golf functions.

call handling
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
2.9

Call support is limited: reviewers noted caller alerts and some answer or reject options, but not full on-watch calling.

charging convenience
Product 1: Polar Street X
4.2

Charging is convenient for existing Polar owners because it uses the same USB-C-based charger as newer siblings.

Product 2: Garmin Approach S70
3.1

Charging drew frequent criticism because of the proprietary cable, face-down setup, and lack of an included adapter in some boxes.

charging speed
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.4

At least one reviewer said the watch tops up quickly enough that short charging windows are practical.

coaching features
Product 1: Polar Street X
4.4

Coaching is built around training analysis, Training Load Pro, and a daily suggested workout rather than just passive data collection.

Product 2: Garmin Approach S70
4.1

Virtual Caddie, PlaysLike tools, and tempo coaching were major selling points, though the tempo feature was not equally useful for every reviewer.

comfort
Product 1: Polar Street X
4.4

Comfort is a recurring strength because the watch stays light enough for all-day wear despite its rugged look.

Product 2: Garmin Approach S70
4.6

Comfort was a consistent strength, with reviewers saying the watch wears lightly and remains comfortable for all-day and overnight use.

companion app quality
Product 1: Polar Street X
2.5

The companion app is a recurring complaint, described as outdated and not great for quick health and fitness overviews.

Product 2: Garmin Approach S70
4.5

Garmin Golf was described as one of the better golf apps for stats, post-round review, and tying watch data together.

contactless payments
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
3.7

Garmin Pay is built in, but support can be uneven depending on bank compatibility and region.

cross-platform compatibility
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.0

The watch works with both iPhone and Android, though some reviewers noted better notification control on Android.

customization options
Product 1: Polar Street X
4.1

Customization is decent through quick-release straps, swappable bands, and configurable widgets or complications.

Product 2: Garmin Approach S70
4.5

Reviewers liked the ability to change watch faces, colors, data fields, and golf display settings.

display quality
Product 1: Polar Street X
4.3

Display quality is a consistent plus, with the AMOLED screen repeatedly described as nice, crisp, sharp, and easy to read.

Product 2: Garmin Approach S70
4.8

The AMOLED display was one of the product’s standout strengths, praised for crisp detail, color, clarity, and a premium look.

durability
Product 1: Polar Street X
4.5

Durability is one of the clearest strengths thanks to rugged construction, MIL-STD testing, and WR50 protection.

Product 2: Garmin Approach S70
4.5

Evidence pointed to solid durability, including a scratch-proof lens and confidence for regular golf use.

ECG functionality
Product 1: Polar Street X
1.0

ECG is repeatedly listed as missing, so buyers wanting wrist-based electrocardiogram features will need a different watch.

Product 2: Garmin Approach S70
No score yet
fit
Product 1: Polar Street X
3.4

Fit is mixed: the low weight helps, but there is only one case size.

Product 2: Garmin Approach S70
4.6

Fit was widely praised, and the added 42mm option helped make the watch more comfortable for smaller wrists.

fitness tracking accuracy
Product 1: Polar Street X
4.2

The one detailed hands-on accuracy review says overall fitness-tracking accuracy was good across the sports it tested.

Product 2: Garmin Approach S70
4.4

At least one reviewer explicitly said the S70’s fitness and sensor data are as accurate as expected from Garmin.

GPS accuracy
Product 1: Polar Street X
4.2

GPS looked very good in the hands-on testing, though the same review still notes a few minor exceptions in certain route scenarios.

Product 2: Garmin Approach S70
4.7

Reviewers repeatedly praised fast GPS lock and very accurate on-course yardages, with some comparisons landing within about a yard.

health tracking accuracy
Product 1: Polar Street X
3.2

Health readouts seem directionally useful, but the hands-on review warns not to treat the watch's sleep analysis as something to fully rely on.

Product 2: Garmin Approach S70
4.4

Health tracking was generally viewed as trustworthy, with reviewers calling the readings accurate in typical Garmin fashion.

heart rate accuracy
Product 1: Polar Street X
4.1

Heart-rate performance is generally described as good, with one detailed test review finding it accurate and other reviews calling the sensor pretty good or more consistent during workouts.

Product 2: Garmin Approach S70
4.4

Heart-rate tracking was included in the praised sensor package, with one reviewer explicitly describing Garmin-level accuracy.

materials quality
Product 1: Polar Street X
3.3

Materials keep weight down but feel less premium, since the case leans heavily on plastic or composite parts and skips metal accents.

Product 2: Garmin Approach S70
4.5

Ceramic bezels and quality strap materials gave the watch a more premium feel than cheaper golf models.

menu navigation
Product 1: Polar Street X
4.0

Menu navigation appears straightforward enough for scrolling through widgets and daily/training details without much friction.

Product 2: Garmin Approach S70
3.8

Navigation was mostly described as intuitive once learned, though one reviewer felt the interface had a steeper learning curve.

music controls
Product 1: Polar Street X
3.8

Music controls are included, but only as part of the basic smart-feature bundle.

Product 2: Garmin Approach S70
4.0

Music controls are available, but some reviewers found them less immediate than on an Apple Watch.

onboard music storage
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.2

Reviewers confirmed on-watch music storage and offline playlist support from services like Spotify and Amazon Music.

operating system experience
Product 1: Polar Street X
3.5

The proprietary Polar operating system is described as solid overall, though not especially refreshed or modernized.

Product 2: Garmin Approach S70
3.7

The software experience is capable and feature rich, but several reviewers still preferred mainstream smartwatches for daily smartwatch polish.

outdoor visibility
Product 1: Polar Street X
3.9

Outdoor visibility is mostly positive, though one reviewer warns it may not be ideal in the brightest sunlight.

Product 2: Garmin Approach S70
4.7

Outdoor readability was a clear strength, with reviewers repeatedly saying the screen stays visible in bright sunshine.

pairing reliability
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.7

Initial phone pairing was described as simple and straightforward in setup.

recovery insights
Product 1: Polar Street X
4.4

Recovery guidance is one of the stronger themes, with reviews highlighting workout-load feedback, Nightly Recharge, and prompts about whether training is on track.

Product 2: Garmin Approach S70
4.5

Body Battery, HRV, and readiness-style insights added useful recovery context, though not every reviewer found them equally valuable.

reliability
Product 1: Polar Street X
4.2

One review positions the Street X around reliable tracking and dependable everyday use rather than feature overload.

Product 2: Garmin Approach S70
3.0

Core performance was strong, but one reviewer did flag missed shot detections as a reliability blemish.

safety features
Product 1: Polar Street X
4.5

Safety utility centers on the integrated flashlight, with repeated mentions of better visibility after dark and both white and red light modes.

Product 2: Garmin Approach S70
No score yet
size options
Product 1: Polar Street X
2.0

Choice is limited here because the Street X is sold in only one case size.

Product 2: Garmin Approach S70
4.5

The new two-size lineup was seen as a meaningful improvement, especially for golfers who found earlier Garmin golf watches too large.

sleep tracking accuracy
Product 1: Polar Street X
3.0

Sleep tracking can reflect better and worse nights, but one reviewer still calls Polar's sleep-stage performance mediocre compared with the best sleep-focused devices.

Product 2: Garmin Approach S70
4.1

Sleep tracking was viewed positively overall, with reviewers calling it strong and engaging enough to check regularly.

smartphone notifications
Product 1: Polar Street X
3.5

Phone alerts for calls and messages are present, but reviews frame them as basic smartphone support rather than a headline feature.

Product 2: Garmin Approach S70
3.3

Notifications are available and customizable to a degree, but multiple reviewers said they can feel distracting or limited versus Apple Watch behavior.

smartwatch features
Product 1: Polar Street X
3.9

Smart features cover the essentials, but the watch is still presented as fitness-first and somewhat limited on the broader smartwatch side.

Product 2: Garmin Approach S70
4.4

Beyond golf, reviewers consistently saw the S70 as a full-featured smartwatch with strong everyday usefulness.

software smoothness
Product 1: Polar Street X
2.5

Software smoothness is a weak point, with one reviewer explicitly calling the experience sluggish.

Product 2: Garmin Approach S70
3.5

Software smoothness was mixed: some reviewers said the watch is enjoyable to use, while others found parts of the interface annoyingly clunky.

stress tracking
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.3

Stress tracking was repeatedly called useful, and at least two reviewers said the readings felt surprisingly accurate.

style and design
Product 1: Polar Street X
4.2

Styling is widely seen as a positive if you like the rugged G-Shock or Instinct-like look, though it is bulkier than Polar's usual aesthetic.

Product 2: Garmin Approach S70
4.6

The S70’s styling was widely praised as modern, premium, and suitable away from the course.

third-party app support
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
4.4

Support for services like Spotify and Apple Music added useful flexibility beyond Garmin’s own apps.

touchscreen responsiveness
Product 1: Polar Street X
No score yet
Product 2: Garmin Approach S70
3.9

Touch response was generally good, but several reviewers said on-course map interaction can feel fiddly compared with the best smartwatches.

user interface
Product 1: Polar Street X
3.3

User-interface feedback is mixed: it is simple and easy to understand, but several reviews still describe it as dated or not ideal for quick overviews.

Product 2: Garmin Approach S70
3.6

The interface is functional and often intuitive, but some reviewers still found it less elegant than Apple Watch-style software.

value for money
Product 1: Polar Street X
4.7

Value is a major selling point across nearly every review, which repeatedly calls the Street X affordable, competitive, and one of the best-value options in its class.

Product 2: Garmin Approach S70
3.9

Value was judged through the lens of needs: reviewers often felt the S70 earns its price for serious golfers, but agreed it is overkill for basic yardage users.

watch face quality
Product 1: Polar Street X
4.0

Watch-face selection is described as numerous, giving users a fair amount of choice even if it is not treated as a signature feature.

Product 2: Garmin Approach S70
4.6

Watch faces were praised for looking better on the AMOLED screen and offering better everyday appeal than older golf watches.

water resistance
Product 1: Polar Street X
4.0

Water resistance is consistently listed at WR50 or 50 meters, enough for common sports-watch use but not pitched as a dive tool.

Product 2: Garmin Approach S70
4.6

Reviewers cited shower and swim use plus a 5 ATM rating as evidence that the S70 handles water exposure confidently.

wellness insights
Product 1: Polar Street X
4.2

Wellness coverage goes beyond raw sleep logs, with repeated mentions of HRV, skin temperature, recovery metrics, and alertness/readiness-style insight.

Product 2: Garmin Approach S70
4.7

Wellness insights were a major positive, especially when the watch explained what sleep, workout, and energy metrics actually meant.

workout tracking variety
Product 1: Polar Street X
4.8

Workout variety is a clear strength, with repeated mentions of 170-plus sport profiles and extras such as multisport and open-water swimming.

Product 2: Garmin Approach S70
4.2

The S70 supports a wide range of non-golf workouts, including running, swimming, cycling, yoga, and other activity profiles.