arkivoAPI

Smartwatches / Compare

Amazfit Active 3 Premium vs Polar Street X

63 of 141 fields differ

Download CSVDownload JSON
  • 34 different values
  • 29 known for one only
  • 22 the same
  • 56 missing for both

Biggest differences

Each bar uses the scale of all 101 smartwatches.

  1. Battery life with GPSA: 24hB: 42hPolar is 18 h higher.
  2. Battery lifeA: 288hB: 240hAmazfit is 48 h higher.

Size, drawn to scale

Front and side.

Weight

0 to 80 g

Weight (case only)
A38g
B28g

All 150 fields

Every value links to where we found it.

AAmazfit Active 3 Premium
BPolar Street X

General

7 of 10 differ
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (EU)
Not available
OS updates promised
Not available
Not available
Security updates until
Not available
Not available

Case

5 of 8 differ
Case size
Back
Not available
Not available
Case dimensions
Weight with strap
Not available

Durability

3 of 8 differ
Dust and water rating
Not available
Not available
Dive rating
Not available
Not available
Max dive depth
Not available
Not available
MIL-STD-810
Not available
MIL-STD-810 tests
Not available
Not available

Display

6 of 14 differ
Screen size
Pixel density
Not available
Display area
Not available
Not available
Max refresh rate
Not available
Not available
Min refresh rate
Not available
Not available
Peak brightness
Not available
Minimum brightness
Not available
Not available

Platform

7 of 15 differ
OS at launch
Not available
Not available
Chipset
Not available
Not available
Process
Not available
Not available
CPU cores
Not available
Not available
CPU configuration
AAmazfit Active 3 Premium
Not available
Max CPU clock
Not available
0.275GHz
GPU
Not available
Not available
Low-power coprocessor
Not available
Not available

Memory

1 of 2 differ
RAM
Not available
Not available

Health sensors

3 of 8 differ
ECG capability
Not available
Blood oxygen sensing
Blood pressure feature
Not available
Not available
Body composition sensor
Not available
Not available
Skin conductance (EDA)
Not available
Not available
Medical clearances
Not available
Not available

Motion and environment sensors

0 of 9 differ
Accelerometer range
Not available
Not available
Depth gauge
Not available
Not available
Depth gauge range
Not available
Not available
Water temperature sensor
Not available
Not available

Health and fitness

2 of 5 differ
Fitness features
VO2 max, Training load, Recovery advice, Running power, Pool swim, Open water swim, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback, Climb detection1Maker product pagepolar.com/en/street-xRead 15 October 2026Features and cards: Running Performance Test (VO2max), Training Load Pro, Recovery Pro, wrist-based running power, swimming metrics, interval timers and phased training targets, route guidance, turn-by-turn route guidance, Track Back, Back to Start. Hill Splitter detects uphills and downhills automatically (manual). The manual has separate pool and open water swimming sections.4Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/introduction.htmRead 15 October 2026Introduction: Route Guidance, Komoot routes, Track back, Back to start, Running Performance Test with VO2max, Walking test, Training Load Pro, Recovery Pro, running power, swimming metrics with distance and strokes also in open water, Hill Splitter.9Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/swimming-metrics.htmRead 15 October 2026Separate sections for pool swimming (distance, pace, strokes, SWOLF) and open water swimming (distance, pace, stroke rate for freestyle and route).10Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/hill-splitter.htmRead 15 October 2026Hill Splitter automatically detects all uphills and downhills from GPS speed, distance and barometric altitude. It needs a 1 second GPS recording rate. Stored as climb detection.13Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/track-back-and-back-to-start.htmRead 15 October 2026Track back guides you back to the start via the same route you came. Back to start shows the direction by beeline.
Sport profiles
Not available
Not available
Dive modes
Not available
Not available

Safety

1 of 6 differ
Fall detection
Not available
Not available
Car crash detection
Not available
Not available
Emergency SOS
Not available
Not available
Emergency siren
Not available
Not available
Live location sharing
Not available
Not available

Positioning

3 of 3 differ

Connectivity

8 of 15 differ
Bluetooth
Not available
Wi-Fi
Not available
Wi-Fi standard
Not available
Not available
Wi-Fi bands
Not available
Not available
Cellular
Not available
Network
Not available
Not available
4G bands
Not available
Not available
5G bands
Not available
Not available
Payment services
Not available
Not available
Ultra-wideband
Not available
Not available

Audio

3 of 4 differ
Microphones
Not available
Not available
Calls on the watch
Not available

Controls

3 of 5 differ
Rotating bezel
Not available
Not available

Battery and charging

6 of 13 differ
Claimed battery life
Smartwatch mode (claimed)
288h
240h
AOD battery life (up to)
96h
Not available
GPS mode (claimed)
24h
42h
Solar charging
Not available
Not available
Charging guidance
Not available
Charge with the included Polar Charge 2.0 cable, which snaps on magnetically. A USB power adapter is not included. Polar asks for an adapter marked output 5 Vdc that provides at least 500 mA and has an approval mark such as LPS, UL listed or CE. The watch can charge during training. An optional charge limit of 80% is in the battery settings.6Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/batteries.htmRead 15 October 2026Charging the battery: custom cable snaps in magnetically. A USB power adapter is not included. Adapter marked output 5 Vdc, at least 500 mA, LPS, UL listed or CE. Charging during training is possible. Charge limit 80% in Settings > General settings > Battery.
Max charging power (watch)
Not available
Not available
Fast charging
Not available
Not available
Quick charge claim
Not available
Not available
Charge 0 to 80% (claimed)
Not available
Not available
Full charge time (claimed)
Not available
Not available

Measured

None of 4 known
Peak brightness (measured)
Not available
Not available
Battery life (measured)
Not available
Not available
Battery tests (measured)
Not available
Not available
Full charge time (measured)
Not available
Not available

Strap

3 of 6 differ
Strap sizes
Not available
Not available

Regulatory

0 of 3 differ
SAR limb (US)
Not available
Not available
SAR limb (EU)
Not available
Not available
Other certifications
Not available
Not available

In the box

1 of 2 differ

Warranty

1 of 1 differ

Both are also in the API. Back to all smartwatches.