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Home› Smartwatches› Compare Smartwatches › Fastrack Radiant FX4 vs Fire Boltt Gladiator
⚖ Comparison 2026

Fastrack Radiant FX4 vs Fire Boltt Gladiator

Fastrack Radiant FX4 vs Fire Boltt Gladiator — detailed side-by-side specs, prices and verdict.

⚡ Quick Answer

Which is better: ?

Comparing Fastrack Radiant FX4 and Fire Boltt Gladiator: Fastrack Radiant FX4 is the better pick for the lowest price, health and fitness tracking, display quality and software experience; Fire Boltt Gladiator is the better pick for the longest battery life and value for money.

Last updated: · Prices in INR.

⚖
Comparing
3 smartwatches · 40+ specs
Fastrack
Fastrack Radiant FX4
★★★★☆ 4.3
₹5,499
MRP ₹7,995
↓ Save ₹2,496
View Prices →
Fire Boltt
Fire Boltt Gladiator
★★★★☆ 4.1
₹9,999
View Prices →
＋
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    Key Stats

    💰 Best Price
    ₹5,499
    Fastrack Radiant FX4
    ★ Winner
    🔋 Best Battery
    Up to 7 Days
    Fire Boltt Gladiator
    ★ Winner
    ❤️ Best Health
    7 / 10
    Fastrack Radiant FX4
    ★ Winner
    📊 Overall Scores

    Expert Scores by Category

    ❤️ Health & SensorsFastrack Radiant FX4 wins
    Fastrack Radiant FX4
    7
    Fire Boltt Gladiator
    6.5
    🔋 Battery LifeFire Boltt Gladiator wins
    Fastrack Radiant FX4
    7.5
    Fire Boltt Gladiator
    7.8
    📺 Display QualityFastrack Radiant FX4 wins
    Fastrack Radiant FX4
    8
    Fire Boltt Gladiator
    7.5
    💰 Value for MoneyFire Boltt Gladiator wins
    Fastrack Radiant FX4
    8.5
    Fire Boltt Gladiator
    9
    Software User ExperienceFastrack Radiant FX4 wins
    Fastrack Radiant FX4
    7.2
    Fire Boltt Gladiator
    7
    🔍 Key Differences

    Key Differences: Fastrack Radiant FX4 vs Fire Boltt Gladiator

    Feature
    Fastrack Radiant FX4
    Fire Boltt Gladiator
    Price ₹5,499₹9,999
    Display Size 1.51 inches1.96 inches
    Display Type AMOLEDTFT
    Resolution 466 x 466 pixels240 x 282 pixels
    Battery Life Up to 5 DaysUp to 7 Days
    Weight 120 g50 g
    Water Resistance Depth 1.5 mm1.5 m
    IP Rating IP68IP67
    Sports Modes 100+123
    Bluetooth Version 5.35.0
    📋 Full Specifications

    Side-by-Side Spec Comparison

    ★ = category winner  |  Blue highlight = best in that row

    Fastrack
    Fastrack Radiant FX4
    Fire Boltt
    Fire Boltt Gladiator
    🎨 Design
    Dial Color
    Black
    Blue
    --
    Dial Shape
    Round
    Square
    --
    Strap Color
    Black
    Blue
    --
    Strap Material
    Stainless Steel
    Silicone
    --
    Dial Material
    Metal
    Zinc Alloy
    --
    Size
    Free Size
    49 mm
    --
    Width
    44.05 mm
    40.9 mm
    --
    Height
    36 mm
    49 mm
    --
    Thickness
    11.5 mm
    12.4 mm
    --
    Diameter
    1.51 inches
    --
    --
    Weight
    120 g
    50 g
    --
    Number of Buttons
    1
    1
    --
    Closure
    Clip Clasp
    Buckle
    --
    Scratch Resistant
    No
    Yes
    --
    Water Resistant
    Yes
    Yes
    --
    Water Resistance Depth
    1.5 mm
    1.5 m
    --
    IP / ATM Rating
    IP68
    IP67
    --
    Rotating Crown / Bezel
    Yes
    Yes
    --
    📺 Display
    Display Type
    AMOLED
    TFT
    --
    Display Size
    1.51 inches
    1.96 inches
    --
    Display Resolution
    466 x 466 pixels
    240 x 282 pixels
    --
    Touchscreen
    Yes
    Yes
    --
    Backlight Display
    Yes
    No
    --
    Date & Time Display
    Digital
    Digital
    --
    Peak Brightness
    550 nits
    600 nits
    --
    Always-On Display
    Yes
    No
    --
    Other Display Features
    Always-On Display
    600 nits Brightness
    --
    🔋 Battery
    Battery Life
    Up to 5 Days
    Up to 7 Days
    --
    Rechargable Battery
    Yes
    Yes
    --
    Battery Type
    Lithium Polymer
    Lithium Polymer
    --
    Charge Time
    2 hours
    2 hours
    --
    Charger Type
    Magnetic Pin Charger
    Magnetic Charger
    --
    Wireless Charging
    No
    No
    --
    Fast Charging
    No
    No
    --
    Standby Time
    --
    15 Days
    --
    ❤️ Health & Sensors
    Sensor
    Accelerometer, Optical Heart Rate Sensor, SpO2 Sensor
    Heart Rate Sensor, SpO2 Sensor, Accelerometer
    --
    Heart Rate Monitor
    Yes
    Yes
    --
    Step Count
    Yes
    Yes
    --
    Calorie Count
    Yes
    Yes
    --
    GPS
    No
    No
    --
    Compass
    No
    No
    --
    Altimeter
    No
    No
    --
    Blood Oxygen (SpO2)
    Yes
    Yes
    --
    ECG
    No
    No
    --
    Blood Pressure Monitor
    No
    No
    --
    Skin Temperature Sensor
    No
    No
    --
    Sleep Tracking
    Yes
    Yes
    --
    Stress Monitoring
    Yes
    No
    --
    Respiratory Rate
    No
    No
    --
    Women's Health / Cycle Tracking
    Yes
    Yes
    --
    Sports Modes
    100+
    123
    --
    VO2 Max
    No
    No
    --
    Fall Detection
    No
    No
    --
    Crash Detection
    No
    No
    --
    Emergency SOS
    No
    No
    --
    Other Fitness Features
    Sedentary Reminder, Hydration Reminder, Breathing Exercise
    Sleep Tracking, Sedentary Reminder, Breathing Exercise, Hydration Reminder
    --
    💡 Smart Features
    Call Function
    Bluetooth Calling
    Bluetooth Calling
    --
    Call Features
    Dial Pad, Call History, Sync Contacts, Reject Call
    Dial Pad, Call History, Contact Sync, Reject Calls, Answer Calls
    --
    Messaging Support
    Yes
    No
    --
    Email Support
    No
    No
    --
    Notification
    Yes
    Yes
    --
    Notification Type
    Vibration, Ring
    Vibration
    --
    Voice Control
    Yes
    Yes
    --
    Gesture Control
    No
    Wrist Raise to Wake
    --
    Third Party App Support
    No
    No
    --
    Calendar
    Yes
    No
    --
    Alarm Clock
    Yes
    Yes
    --
    NFC
    No
    No
    --
    eSIM / Cellular
    No
    No
    --
    Music Control
    Yes
    Yes
    --
    Companion App
    Fastrack Smart World
    Da Fit
    --
    Watch Faces
    100+
    100+
    --
    Other Watch Functions
    Timer, Stopwatch, Weather, Find My Phone, AI Voice Assistant
    Stopwatch, Timer, Weather, Music Control, Find My Phone, Remote Camera, Calculator
    --
    ⚡ Performance
    Operating System
    --
    Proprietary OS
    --
    Compatible Operating System
    Android, iOS
    Android, iOS
    --
    RAM
    128 MB
    --
    --
    Expandable Memory
    No
    No
    --
    🎧 Calling & Audio
    Microphone
    Yes
    Yes
    --
    Speaker
    Yes
    Yes
    --
    Audio Features
    Music Control
    Built-in Speaker and Microphone
    --
    📡 Connectivity
    Bluetooth
    Yes
    Yes
    --
    Bluetooth Version
    5.3
    5.0
    --
    Wi-Fi
    No
    No
    --
    Compatible Device
    Smartphones
    Android, iOS
    --
    Operating Range
    10 m
    10 m
    --
    📝 Additional Information
    Usage
    Fitness, Lifestyle
    Fitness, Casual
    --
    Language
    English
    English
    --
    Chronograph
    No
    Yes
    --
    Warranty
    1 Year
    1 Year
    --
    Watch Type
    Smartwatch
    Smartwatch
    --
    Other Features
    Calculator, In-built Games
    Built-in Games, AI Voice Assistant
    --
    💰 Price
    Best Price
    ₹5,499
    ₹9,999
    --
    Discount
    31% OFF
    --
    --
    Buy
    Buy Now
    Buy Now
    --
    🏆 Expert Verdict

    Our Recommendation

    Sleek and sporty AMOLED companion
    Fastrack Radiant FX4

    Vibrant AMOLED display, single-sync Bluetooth calling, functional crown, and reliable daily activity tracking wrapped in a sporty design.

    View Prices →
    Rugged large-screen explorer
    Fire Boltt Gladiator

    Apple Watch-inspired rugged design with a massive bright display, Bluetooth calling, voice assistant support, and multiple sports modes.

    View Prices →
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    ❓ FAQ

    Compare FAQs

    Fastrack Radiant FX4 is priced at ₹5,499; Fire Boltt Gladiator is priced at ₹9,999. Fastrack Radiant FX4 is the cheapest, ₹4,500 less than Fire Boltt Gladiator.

    Fastrack Radiant FX4: Up to 5 Days; Fire Boltt Gladiator: Up to 7 Days. Fire Boltt Gladiator claims the longest battery life.

    Fastrack Radiant FX4 has a 1.51 inches AMOLED display; Fire Boltt Gladiator has a 1.96 inches TFT display.

    Fastrack Radiant FX4: Bluetooth Calling; Fire Boltt Gladiator: Bluetooth Calling.

    Comparing Fastrack Radiant FX4 and Fire Boltt Gladiator: Fastrack Radiant FX4 is the better pick for the lowest price, health and fitness tracking, display quality and software experience; Fire Boltt Gladiator is the better pick for the longest battery life and value for money.