Average score
Product 1: Polar Street X
3.7
Product 2: Garmin Epix Pro (Gen 2)
4.1
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 Epix Pro (Gen 2)
4.0

Reviews mention a relatively large software marketplace and Connect IQ access for apps, widgets, and personalization.

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 Epix Pro (Gen 2)
3.9

Band impressions are mixed: the included silicone strap is described as high quality, but one reviewer said the white band gets dirty easily.

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 Epix Pro (Gen 2)
4.6

Battery life is a clear strength, with reviewers reporting long real-world endurance from multi-day always-on use to weeks between charges depending on settings and size.

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 Epix Pro (Gen 2)
4.2

The watch includes wrist-based pulse-ox tracking for blood oxygen saturation, with reviews noting altitude and wellness uses.

Bluetooth connectivity
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.2

Bluetooth support is well covered, including sensor pairing and accessory connectivity alongside Garmin’s broader smartwatch radios.

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 Epix Pro (Gen 2)
4.7

Screen brightness is consistently praised, with reviewers calling it easy to see indoors, outdoors, and even on sunny days.

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 Epix Pro (Gen 2)
4.8

Build quality is described as rugged and tank-like, with premium-feeling construction for a high-end sports watch.

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 Epix Pro (Gen 2)
4.5

The physical controls are a strong point, with dedicated buttons, useful shortcuts, and a more satisfying click than some newer Garmin alternatives.

call handling
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
2.8

Phone integration is limited for calls on some setups, with one review noting you cannot respond to texts or calls in that configuration.

calorie tracking usefulness
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.0

Garmin Connect gives clear daily calorie totals, including base and active calories, making calorie data easy to review.

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 Epix Pro (Gen 2)
2.8

Charging is less convenient than open USB-C freedom because the watch still relies on Garmin’s proprietary charger.

charging speed
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.5

Charging speed is improved and widely praised, with reviews citing fast top-ups and roughly an hour to reach full charge.

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 Epix Pro (Gen 2)
4.4

Training guidance is a strong area, with suggested workouts, customizable plans, race support, and coaching-oriented tools called out positively.

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 Epix Pro (Gen 2)
4.5

Comfort is better than the size suggests for at least some users, with one reviewer saying the watch is comfortable enough to mostly disappear on wrist.

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 Epix Pro (Gen 2)
3.5

Garmin Connect is useful and feature-rich, but reviews also say some finer watch settings are still awkward to manage from the phone side.

contactless payments
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.2

Garmin Pay is treated as genuinely useful for runs and outdoor use, with reviewers saying it works in normal tap-to-pay situations.

cross-platform compatibility
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
3.8

The watch works with both iOS and Android, but reviews note feature differences and a generally better experience 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 Epix Pro (Gen 2)
4.4

Customization is extensive, with adjustable settings, customizable data pages, widgets, bands, and downloadable extras.

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 Epix Pro (Gen 2)
4.8

The AMOLED display is one of the product’s standout strengths, repeatedly described as beautiful, vivid, and high resolution.

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 Epix Pro (Gen 2)
4.5

Durability is strong overall, with reports of the watch holding up well in long-term use and the sapphire crystal resisting visible damage.

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 Epix Pro (Gen 2)
4.0

ECG support is part of the Pro story, with reviews noting the feature arrived via firmware on supported models.

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 Epix Pro (Gen 2)
3.7

Fit varies by wrist size, but the expanded case range helps; some reviewers found good fit on smaller wrists while others still found larger versions bulky.

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 Epix Pro (Gen 2)
4.8

Overall fitness tracking accuracy is a major selling point, especially for GPS-based workouts and consistent distance tracking.

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 Epix Pro (Gen 2)
4.8

GPS performance is repeatedly described as excellent, with reviews highlighting reliable positioning, accurate routes, and class-leading results.

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 Epix Pro (Gen 2)
4.2

Health tracking is generally viewed positively, with reviewers trusting the data more than before even if not every metric is treated as perfect.

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 Epix Pro (Gen 2)
4.5

Heart-rate accuracy is broadly praised, especially against chest straps, though some reviews still note occasional limits in harder efforts.

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 Epix Pro (Gen 2)
3.5

Material choices look functional and durable, but one review notes the polymer-heavy build is more tool-like than luxurious.

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 Epix Pro (Gen 2)
2.8

Menu navigation can be demanding, with one reviewer saying deeper customization still involves too much fiddling.

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 Epix Pro (Gen 2)
4.0

Music controls are available and useful, with support for controlling apps like Spotify and integrated music control features.

onboard music storage
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.4

Onboard storage is generous enough for music, with reviews pointing to 32GB capacity and local audio support.

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 Epix Pro (Gen 2)
4.0

The Garmin software experience is described as robust and feature-rich, though it still expects users to invest time learning it.

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 Epix Pro (Gen 2)
4.8

Outdoor visibility is excellent, with reviewers calling the screen easy to read in strong sun and varied light.

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 Epix Pro (Gen 2)
4.5

Recovery tools such as Recovery Time, Acute Load, and related guidance are repeatedly described as useful for planning training.

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 Epix Pro (Gen 2)
4.5

Long-term reliability is a clear positive, with reviewers describing the watch as dependable in day-to-day use.

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 Epix Pro (Gen 2)
4.3

Safety-oriented tools get positive mentions, including flashlight visibility, strobe options, and location-sharing style features such as LiveTrack.

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 Epix Pro (Gen 2)
4.6

The three-size lineup is one of the headline upgrades, with multiple reviews praising the better fit options for smaller and larger wrists.

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 Epix Pro (Gen 2)
3.6

Sleep tracking is seen as improved but not perfect, with some reviewers praising better results while others still question exact precision.

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 Epix Pro (Gen 2)
4.2

Phone notifications are handled well, with reviews highlighting readable alerts and even good emoji support.

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 Epix Pro (Gen 2)
3.7

Smartwatch basics are solid rather than dominant, covering notifications, music, payments, weather, and other everyday tools.

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 Epix Pro (Gen 2)
4.1

General performance is good, but the watch is not universally seen as ultra-smooth; some reviewers praise stability while others note less polished animation or feel.

stress tracking
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.1

Stress tracking is part of the broader recovery picture and is used in Garmin’s readiness and Body Battery style insights.

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 Epix Pro (Gen 2)
4.3

Design is widely praised for balancing rugged outdoor character with an attractive everyday look.

third-party app support
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.0

Third-party support exists through Connect IQ and related downloads, giving users access to extra apps and add-ons.

touchscreen responsiveness
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.5

Touch response is strong, with reviewers saying the screen works well even in wet conditions and avoids over-sensitivity.

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 Epix Pro (Gen 2)
3.3

The interface is powerful but mixed in usability: some reviewers find it intuitive enough, while others still call it confusing or busy.

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 Epix Pro (Gen 2)
3.8

Value is mixed: reviewers respect the hardware and long-term usefulness, but many still call the price high and note cheaper Garmin alternatives.

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 Epix Pro (Gen 2)
No score yet
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 Epix Pro (Gen 2)
4.5

Water resistance is a strength, with repeated mentions of 100-meter or 10 ATM capability for swimming and even diving scenarios.

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 Epix Pro (Gen 2)
4.4

Wellness features such as HRV, Body Battery, Training Readiness, and similar guidance are frequently highlighted as useful.

Wi-Fi connectivity
Product 1: Polar Street X
No score yet
Product 2: Garmin Epix Pro (Gen 2)
4.0

Wi-Fi support is present for tasks like syncing and map downloads, adding convenience beyond Bluetooth-only workflows.

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 Epix Pro (Gen 2)
4.3

Workout and sport coverage is broad, with reviewers repeatedly pointing to a very large activity list and many sport profiles.