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Detailed side-by-side comparison of specifications, features and latest prices in India.

Specification	Fastrack Astor FR2 Pro ₹2,799 Prices and availability may change on the seller's site View Price	Realme Watch S2 ₹2,799 Prices and availability may change on the seller's site View Price	Fire-Boltt Axiom ₹2,699 Prices and availability may change on the seller's site View Price
General
In The Box	Smart Watch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Charging Cable, User Manual, Silicone Strap	Smartwatch, Wireless Charging Dock, User Manual, Warranty Card
Model Name	Fastrack Astor FR2 Pro	Realme Watch S2	Fire-Boltt Axiom
Launch Date	15/09/2024	30/07/2024	15/09/2025
Colors	Black, Silver, Rose Gold, Grey	Midnight Black, Ocean Silver, Metallic Grey	Black, Silver, Orange, Gold
Brand	Fastrack	Realme	FireBoltt
Display
Display Size	1.43, 3.63	1.43, 3.63	1.43, 3.63
Resolution	466, 466 pixels	466, 466 pixels	466, 466 pixels
Panel Type	AMOLED	AMOLED with 326 ppi density	AMOLED
Touch Type	Capacitive Touch	Capacitive multi-touch	Full Capacitive Touch
Always-on Display	—	Yes	Yes
Brightness	Not Specified	600 nits peak brightness	1000 nits (Peak)
Refresh Rate	Not Specified	60 Hz	60Hz
Color Gamut / HDR Support	—	Full color AMOLED (HDR not specified)	Not Specified
Screen Protection	Not Specified	7H scratch-resistant glass with Always-On Display support	Flat Curved Glass
Body
Dimensions	Not Specified	46.5 x 46.5 x 11 mm	Standard 46mm dial size
Weight	117 grams	41 grams	60 g
Case Material	Stainless Steel	Zinc Alloy with electroplating and PVD coating	Stainless Steel / Metal Alloy
Front Protection	Not Specified	7H Scratch-resistant glass	Curved Glass
Strap / Bracelet Options	Stainless Steel Strap	Silicone (standard, removable) or Stainless Steel optional bands, 22mm width, 150-230mm length	Silicone, Stainless Steel (variant dependent)
Removable / Replaceable Strap	—	Yes	Yes
Water Resistance	IP68	IP68 + 5 ATM (up to 5 meters for 30 minutes)	IP68 Water Resistant
Dust Resistance	Yes (IP68)	IP68 dust and water resistant	IP68 Dust Resistant
Durability Certifications	Not Specified	IP68 certified, Scratch resistant, Temperature range: -40°C to +70°C	Not Specified
Primary Controls	Touch Screen, Functional Crown	Crown button on right side + 1 additional button + Capacitive touchscreen	Rotating Crown, Touch Screen, Push Button
Processor
Operating System	Compatible with Android & iOS	Proprietary RTOS (Real-Time Operating System)	Proprietary RTOS
Chipset / SoC	Not Specified	ATS3085S (Dual-mode Bluetooth processor with MCU + DSP architecture)	Single Core Digital Chipset
CPU Cores & Clock Speed	Not Specified	Dual-core MCU + DSP	Single Core
GPU	Not Specified	Not specified	Integrated
Health & Fitness Sensors
Heart Rate Monitor	Yes, 24x7 Continuous monitoring	24/7 continuous monitoring with abnormal HR alert	Optical PPG Sensor
ECG	No	No ECG support	No
SpO₂ / Blood Oxygen	—	24/7 continuous blood oxygen monitoring	Yes
Skin Temperature Sensor	No	No skin temperature sensor	No
Sleep Tracking	Yes	24-hour sleep monitoring with sleep stage analysis (light, deep, REM)	Yes (Light, Deep, REM)
Step Counter	Yes	Yes - pedometer with step count tracking	Yes
GPS	Connected GPS (via smartphone)	No GPS (no built-in or connected GPS)	No (Connected GPS only)
Accelerometer	Yes	Yes - 3-axis accelerometer	Yes
Gyroscope	Not Specified	Yes - gyroscope sensor	Not Specified
Barometer	Not Specified	Yes - barometer for altitude tracking	No
Compass	Yes	Yes - compass sensor	No
Other Sensors	Stress Monitor, Calorie Counter	Ambient light sensor, altimeter, stress monitor (HRV-based), menstrual cycle tracker	Sedentary Reminder, Hydration Reminder
Connectivity
Wi-Fi	No	No Wi-Fi	No
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with 10-meter connectivity range	Bluetooth 5.0
NFC	No	No	No
Cellular Connectivity	No (Bluetooth calling only)	Bluetooth only (no cellular, Wi-Fi, or satellite)	No
ANT+	No	No	No
Battery
Capacity	Approximately 280-300 mAh	380 mAh Li-ion non-removable	300 mAh
Fast Charging Support	Yes	Yes - approximately 60 minutes for full charge	No
Estimated Runtime	Up to 5 days	14 days typical use, 20 days with custom battery mode, 5 days with Always-On Display, 38 days standby	Up to 7 Days (Typical)
Charging Method	Magnetic charging cable	Magnetic dock/wired connector	Wireless Magnetic Dock
Battery Saver Modes	Yes, multiple power saving modes available	Customizable ultra-long battery mode, AI-optimized battery mode, time-only mode	Power Saver Mode
Memory & Storage
RAM	128 MB	8 MB PSRAM	System RAM only
Internal Storage	Not specified	4 GB Flash (500 MB user-accessible for music)	No user accessible storage
Expandable Storage	No	No microSD card slot	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed circular bezel with watch-inspired design	Fixed with Rotating Crown
Buttons / Crown	Functional Crown (rotatable) + Side button	1 rotating crown button on right side + 1 additional action button	1 Rotating Crown, 1 Push Button
Vibration Motor	Yes	Yes - haptic vibration motor	Yes
Screen Glass Type	Not Specified	7H scratch-resistant mineral glass	Glass
Health & Safety Features
Fall Detection / SOS Calling	SOS Calling Available	No fall detection or emergency SOS calling	No
Menstrual Cycle / Health Tracking	Not Specified	Yes - menstrual cycle tracking with prediction and period reminder	Yes (Female Health Tracking)
Noise Monitoring	Not Specified	Ambient volume monitoring (no formal noise exposure detection)	No
Guided Breathing / Mindfulness Features	Stress Tracking Available	Yes - guided breathing exercises and mindfulness reminders via Realme Link app	Breathing Exercises
Audio & Voice
Built-in Speaker	Yes	Yes - up to 90 dB speaker with 10-meter microphone pickup in quiet environments	Yes
Microphone	Yes	Yes - high-performance microphone for Bluetooth calling	Yes
Voice Assistant	AI Voice Assistant	Yes - ChatGPT 3.5 powered AI assistant with voice-controlled watch face generation	AI Voice Assistant (Siri/Google via Phone)
Bluetooth Audio Output	Yes	Yes - supports Bluetooth audio playback and streaming	Phone Calls Only
Notifications & Controls
Notification Support	Yes (all smartphone notifications)	Call alerts, SMS/messaging alerts, app notifications, rich notifications	Call, SMS, WhatsApp, Social Media
Quick Reply Options	Limited functionality (depends on phone OS)	Predefined messages only (no voice or custom text reply on watch)	No
Music Control / Playback	Yes	Play/Pause, Next/Previous track, Volume control, Local MP3 storage playback	Music Control (Remote)
Find My Phone	Yes	Yes - Find My Phone feature via Realme Link app	Yes
Remote Camera Shutter	Yes (camera control)	Yes - remote camera shutter control	Yes
Security
Fingerprint Sensor	No	No	No
Face Unlock	No	No	No
NFC Payment Security	No (no NFC payment support)	No NFC payment capability	No
Find My Watch	Yes (via companion app)	Not officially specified	Yes (via App)
Ports & Accessories
Charging Connector Type	Magnetic charging pins	Proprietary magnetic dock connector	Wireless Charging Dock
Optional Docks / Stands	None available	N/A	None
Bundled Extras	Multiple strap color options available separately	Smartwatch, Charging Cable, User Manual, Silicone Strap; Extra straps available in multiple colors (sold separately)	Charging Cable, Manual
Software & Apps
App Store Availability	No dedicated app store	Realme Link app - available on Google Play Store and Apple App Store	No
Customization Options	100+ watch faces, customizable widgets	150+ cloud-based watch faces, AI-generated custom watch faces via voice commands, 110+ pre-loaded sports modes (expandable to 130+), customizable tiles and quick access shortcuts	100+ Cloud Watch Faces
Companion App	Fastrack Smart World App (Android & iOS)	Realme Link (Android & iOS compatible)	Fire-Boltt App / Da Fit
OTA Updates	Yes (via companion app)	Yes - Over-the-Air updates supported	Yes
Pre-installed Apps	100+ sports modes, health tracking, built-in games, calculator	ChatGPT 3.5 assistant, 110+ sports modes with auto-recognition, 150+ watch face library, health monitoring apps (HR, SpO2, sleep, stress tracking), Realme Link companion app	Alarm, Stopwatch, Timer, Weather, Calculator, Games