Smartwatches / Compare
Amazfit Active Max vs Polar Street X
Product A: Amazfit
85 of 150 known
Change Amazfit Active Max
Product B: Polar
79 of 150 known
Change Polar Street X
64 of 141 fields differ
- 35 different values
- 29 known for one only
- 27 the same
- 50 missing for both
Biggest differences
Each bar uses the scale of all 101 smartwatches.
- Battery lifeA: 600hB: 240hAmazfit is 360 h higher.
- Battery life with GPSA: 64hB: 42hAmazfit is 22 h higher.
Size, drawn to scale
Front and side.
- AAmazfit: 48.5 × 48.5 mm
- BPolar: 45 × 45 mm
Weight
0 to 80 g
Weight (case only)
A39.5g
B28g
All 150 fields
Every value links to where we found it.


General
6 of 10 differ
Series
Model numbers
6J, 900116713, 900116714, 9001167151Maker product pagepolar.com/en/street-xRead 15 October 2026Store feed SKUs 900116713 (Night Black), 900116714 (Forest Green) and 900116715 (Snow White). The manual and the regulatory sheet give the model 6J.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Model 6J.
GTIN / EAN
8500716187612Maker product pageus.amazfit.com/products/active-max.jsRead 14 October 2026Store barcode 850071618761.
725882070766, 725882070773, 7258820707801Maker product pagepolar.com/en/street-xRead 15 October 2026Store feed gtin12: 725882070766 Night Black, 725882070773 Forest Green and 725882070780 Snow White.
Announced
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Launch price (EU)
Not available
Markets
Colours
Night Black, Snow White, Forest Green1Maker product pagepolar.com/en/street-xRead 15 October 2026Colour options: Night Black, Snow White, Forest Green.
Segment
OS updates promised
Not available
Not available
Security updates until
Not available
Not available
Case
6 of 8 differ
Case size
Case shape
Case material
Fibre-reinforced polymer1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: case material and bezel material Bio-based plastic. The launch release says reinforced polymer body. The manual lists PA11+8GF (glass-fibre reinforced polyamide 11) among the device materials. Stored as fibre-reinforced polymer.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Device materials list PA11+8GF, a glass-fibre reinforced polyamide.
Case material (as published)
Aluminum alloy frame with polymer case1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026
Back
Not available
Not available
Case dimensions
Height48.5Width48.5Thickness12.2mm(1.9 × 1.9 × 0.5 in)1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Technical Specifications > Dimensions (without heart rate base): 48.5 x 48.5 x 12.2 mm.
Height45Width45Thickness13.8mm(1.8 × 1.8 × 0.5 in)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: width 45 mm, height 45 mm, thickness 13.8 mm.
Weight (case only)
Weight with strap
Not available
Durability
3 of 8 differ
Water resistance
5ATM1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Water-Resistance Grade 5 ATM. Footnote 14: 50 m static, tested to ISO 22810:2010 by TUV-SUD.4Owner's manualteamplush.by/wp-content/uploads/2026/03/ebee4a37f9738b85defbef6b93194aef44753e63015757d5d56ccbd7659e6d1e_optim_cropped.pdfRead 14 October 2026Basic Parameters: water resistance rating 5 ATM. Repair and Maintenance says the watch cannot be used for snorkeling, diving or high-speed water activities.
5ATM1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: water resistance WR50. The manual says 50 m, suitable for swimming.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Water resistance 50 m (suitable for swimming).
Water resistance standard
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
Operating temperature
Display
6 of 14 differ
Display type
Display type (as published)
Screen size
Resolution
Pixel density
Not available
Display area
Not available
Not available
Touchscreen
Max refresh rate
Not available
Not available
Min refresh rate
Not available
Not available
Peak brightness
Not available
Minimum brightness
Not available
Not available
Always-on display
Yes1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Technical Specifications > Battery lists AoD mode battery life of up to 10 days.5Owner's manualsupport.amazfit.com/en/amazfit_active_max/files/user-manual.pdf.pdfRead 14 October 2026Always On Display: enable the AOD in Settings > Display. Standby screen keeps time and some watch face information.
Display cover
Display cover (as published)
Strengthened glass with anti-fingerprint coating1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Touchscreen: strengthened glass plus anti-fingerprint coating. Not sapphire.
Corning Gorilla Glass 3 (AF + DLC coating)1Maker product pagepolar.com/en/street-xRead 15 October 2026Manual tech spec: Corning Gorilla Glass 3 (AF + DLC coating).3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Watch materials: Corning Gorilla Glass 3 (AF + DLC coating), PA11+8GF, aluminum, stainless steel, PMMA. Wristband: silicone with an aluminum buckle.
Platform
8 of 15 differ
Platform
OS at launch
Not available
Software
Not available
Latest OS
Zepp OS 61Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Software Updates, August 2026 OTA 4: upgraded to Zepp OS 6. The os.zepp.com Zepp OS 6 list also names Active Max.10Maker product pageos.zepp.com/compatibility-zepp-os-6Read 14 October 2026Current maker compatibility list names Amazfit Active Max for Zepp OS 6. This is the current major version, not a patch version. Feature availability varies by watch.
Not available
Works with
Phone requirement
Not available
iOS 17 or later, or Android 8 or later with Bluetooth 4.0 capability, running the Polar Flow app15Maker product pagesupport.polar.com/ie-en/polar-flow-app-and-compatible-devicesRead 15 October 2026Street X: iOS mobile devices with iOS 17 or later. Android mobile devices with Bluetooth 4.0 capability and Android 8 or later.
App store
Not available
Voice assistants
Not available
Chipset
Not available
Not available
Process
Not available
Not available
CPU cores
Not available
Not available
CPU configuration
AAmazfit Active Max
Not availableBPolar Street X
| Max clock (GHz) |
|---|
| 0.275 |
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
2 of 8 differ
Heart rate sensor
BioTracker PPG biometric sensor (5 photodiodes and 2 LEDs)1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Sensors > Health: BioTracker PPG biometric sensor (5PD + 2LED).
Polar Precision Prime optical heart rate sensor (OHR GEN 3.5)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: Precision Prime, OHR GEN 3.5.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Sensors: Precision Prime, Skin Temp GEN 1, OHR GEN 3.5.
ECG capability
Blood oxygen sensing
Skin temperature 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
Accelerometer range
Not available
Not available
Gyroscope
Barometric altimeter
Compass
Yes1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026The user manual Control Center lists Compass and Barometer. The spec table lists a geomagnetic sensor.5Owner's manualsupport.amazfit.com/en/amazfit_active_max/files/user-manual.pdf.pdfRead 14 October 2026Control center supported features include Barometer and Compass.8Reviewlivescience.com/health/exercise/amazfit-active-max-smartwatch-reviewRead 14 October 2026Review lists single-band GPS, compass and altimeter.
Ambient light sensor
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
Health features
Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Heart rate, SpO2 and stress monitoring, abnormal high and low heart-rate alerts and low SpO2 alerts, sleep stages including REM, sleep HRV, sleep score, BioCharge/HybridCharge energy score and menstrual cycle tracking. Heart-rate sampling can be set to 1 minute at the lowest, so continuous heart rate is not claimed. No ECG, sleep apnea or hypertension features.
Continuous heart rate, Heart rate variability, Sleep tracking, Sleep stages1Maker product pagepolar.com/en/street-xRead 15 October 2026Features: continuous heart rate, nightly sleep stages (Sleep Plus Stages), Nightly Recharge, SleepWise. HRV is listed under heart rate. The Daily Readiness card and SleepWise give an alertness forecast, not a readiness score, so readiness_score is not stored. No stress score is listed. Not a medical device.4Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/introduction.htmRead 15 October 2026Introduction: Sleep Plus Stages, Nightly Recharge, SleepWise, continuous heart rate.
Fitness features
Automatic workout detection, VO2 max, Training load, Recovery advice, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Turn-by-turn navigation, Ski resort maps1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Smart recognition of 8 sports and 25 strength movements, VO2 max, training load, recovery time, rep, set and rest detection, interval training on the watch, pool and open water swimming modes, offline maps with turn-by-turn directions and imported-route navigation. VO2 max and real-time performance scores work in running modes only. 170+ sports modes is not an exact count.
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
External sensors
Heart rate strap, Power meter, Speed and cadence1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Connection to Peripheral Workout Devices: heart rate belt, running and cycling power meters, cycling speedometer and cadence meter. Footnote 13: Bluetooth LE devices only.
Heart rate strap, Power meter, Speed and cadence8Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/compatible-sensors.htmRead 15 October 2026Compatible Bluetooth sensors: Polar Verity Sense, OH1, H10 and H9 heart rate sensors, Polar speed sensor and cadence sensor, and third-party power sensors.
Safety
4 of 6 differ
Fall detection
Not available
Car crash detection
Not available
Emergency SOS
Not available
Emergency siren
Not available
Not available
Live location sharing
Not available
Not available
Dedicated LED flashlight
Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: front LED light Yes. Built-in LED flashlight with red light mode.11Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/flashlight.htmRead 15 October 2026Integrated LED flashlight with adjustable white light and a red light mode.
Positioning
3 of 3 differ
Positioning
GPS, GLONASS, Galileo, QZSS, BeiDou6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-maxRead 14 October 2026Sensors list GPS, Galileo, GLONASS, QZSS and BeiDou. The maker page says five satellite systems without naming them. Frequency bands are not given.
GPS, Galileo, BeiDou, QZSS1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs, Geo location: GPS, Galileo, BeiDou and QZSS Yes. GLONASS is not listed.18Maker product pagepolar.com/en/guide/polar-street-x-vs-polar-pacer-proRead 15 October 2026Comparison table: GPS constellations GPS, Galileo, BeiDou, QZSS for Street X. GLONASS is not named.
Dual-band GNSS
No7Reviewtomsguide.com/wellness/smartwatches/amazfit-active-max-review-a-high-end-garmin-dupe-for-the-price-of-an-entry-level-smartwatchRead 14 October 2026The onboard GPS antenna is a single-band affair.8Reviewlivescience.com/health/exercise/amazfit-active-max-smartwatch-reviewRead 14 October 2026Review calls the GPS single-band. Its unit lists Zepp Pay NFC, so it may be the EMEA edition.
Not available
Offline maps
Connectivity
4 of 15 differ
Bluetooth
Bluetooth version
5.31Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Connection: Bluetooth, BLE 5.3.4Owner's manualteamplush.by/wp-content/uploads/2026/03/ebee4a37f9738b85defbef6b93194aef44753e63015757d5d56ccbd7659e6d1e_optim_cropped.pdfRead 14 October 2026Basic Parameters: Bluetooth version V5.3, 2400-2483.5 MHz, output power under 13 dBm.
Not available
Wi-Fi
Wi-Fi standard
Not available
Not available
Wi-Fi bands
Not available
Not available
Cellular
Network
Not available
Not available
4G bands
Not available
Not available
5G bands
Not available
Not available
NFC
Not available
Contactless payments
Not available
Payment services
Not available
Not available
Ultra-wideband
Not available
Not available
Satellite
Not available
Audio
3 of 4 differ
Speaker
Yes1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Speaker and Mic: Support.
Not available
Microphones
Not available
Not available
Calls on the watch
Not available
Music on the watch
Yes1Maker product pageus.amazfit.com/products/active-maxRead 14 October 20264GB for up to 100 hours of podcast playback. Continuous GPS usage with music: up to 22 hours. Footnote 1 says podcast support arrives by software update. The FAQ says third-party music apps cannot be installed.7Reviewtomsguide.com/wellness/smartwatches/amazfit-active-max-review-a-high-end-garmin-dupe-for-the-price-of-an-entry-level-smartwatchRead 14 October 20264GB of onboard storage for saving up to 100 hours of music or podcasts.
Controls
4 of 5 differ
Buttons
Named operating buttons
Crown
Rotating bezel
Not available
Gestures
Cover the screen to turn it off5Owner's manualsupport.amazfit.com/en/amazfit_active_max/files/user-manual.pdf.pdfRead 14 October 2026Basic operations, page 2: cover the screen to turn it off.
Not available
Battery and charging
7 of 13 differ
Battery capacity
658mAh1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026658 mAh, rated value.
385mAh1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: battery capacity 385 mAh, Li-Pol.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026385 mAh Li-pol rechargeable battery, replaceable at Polar Central Service.
Claimed battery life
AAmazfit Active Max
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 600 |
| Heavy use | No | 312 |
| Always-on | No | 240 |
| GPS | No | 64 |
| GPS with music | No | 22 |
BPolar Street X
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 240 |
| GPS | No | 42 |
| Max battery GPS | No | 170 |
Source1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: performance training mode 42 h, eco training mode 170 h, smartwatch mode 10 d. The page text and the launch release say 43 h for the performance mode, which conflicts with the 42 h in the tech specs and the manual. The manual figure is stored.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Performance training mode up to 42 h (optical heart rate on, GPS recording every second). Eco training mode up to 170 h (GPS every 2 minutes, optical heart rate off). Smartwatch mode up to 10 days with continuous heart rate and phone notifications on. 10 days is 240 h.14Maker product pagesupport.polar.com/en/what-is-the-battery-life-of-street-xRead 15 October 2026Performance up to 42 h: optical heart rate on, GPS every 1 second, always-on display off. The scenario text says Dual-Frequency GPS ON, while the product page never claims dual-frequency GNSS and the5krunner says single-frequency, so the row is stored as plain GPS. Eco up to 170 h: optical heart rate off, single-frequency GPS every 2 minutes. Smartwatch up to 10 days with phone notifications on, always-on display off and Do Not Disturb 8 h at night. Stored eco row as the maximum-saving GPS mode, like the Vantage V3 file.
Smartwatch mode (claimed)
600h
240h
AOD battery life (up to)
240h
Not available
GPS mode (claimed)
64h
42h
Solar charging
Not available
Not available
Charging method
Charging guidance
Input DC 5 V, 500 mA max. The product manual recommends a power adapter with a charging current of 1 A or more. The USB-C cable is not included.4Owner's manualteamplush.by/wp-content/uploads/2026/03/ebee4a37f9738b85defbef6b93194aef44753e63015757d5d56ccbd7659e6d1e_optim_cropped.pdfRead 14 October 2026Basic Parameters: Input DC 5 V 500 mA MAX. Charging the Watch note 2 recommends a power adapter with 1 A or more. The US page says the USB-C cable is not included.
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
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
Lug width
Quick-release strap
Not available
Strap system
Standard 22 mm spring bars with a quick-release knob. No adapters needed7Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/changeable-wristband.htmRead 15 October 2026Standard 22 mm spring bars. Any band that uses 22 mm spring bars fits.
Strap material
Strap
Not available
POLAR Street Wristband, 22mm1Maker product pagepolar.com/en/street-xRead 15 October 2026What's included: POLAR Street Wristband, 22mm.
Strap sizes
Not available
Not available
Regulatory
0 of 3 differ
FCC ID
Not available
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
In the box
Smartwatch (including standard strap), Magnetic charging head (no cable), Instruction manual1Maker product pageus.amazfit.com/products/active-maxRead 14 October 2026Packing List. The page notes the USB-C charging cable is not included.
POLAR Street X, POLAR Street Wristband, 22mm, Polar Charge 2.01Maker product pagepolar.com/en/street-xRead 15 October 2026What's included: POLAR Street X, POLAR Street Wristband 22 mm, Polar Charge 2.0.
Power adapter in box
Links
Not compared
Product page
Spec sheet
Manual
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all smartwatches.











