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⚖ Comparison 2026
Fastrack Radiant FX4 vs Fire Boltt Gladiator
Fastrack Radiant FX4 Vs Fire Boltt Gladiator — detailed side-by-side specs, prices and verdict.
Which is better: Fastrack Radiant FX4 vs Fire Boltt Gladiator?
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.
- Price: 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.
- Display: Fastrack Radiant FX4 has a 1.51 inches AMOLED display; Fire Boltt Gladiator has a 1.96 inches TFT display.
- Battery life: Fastrack Radiant FX4: Up to 5 Days; Fire Boltt Gladiator: Up to 7 Days. Fire Boltt Gladiator claims the longest battery life.
- Calling: Fastrack Radiant FX4: Bluetooth Calling; Fire Boltt Gladiator: Bluetooth Calling.
- Health tracking: Fastrack Radiant FX4: Heart Rate, SpO2, Sleep Tracking, Stress Monitoring; Fire Boltt Gladiator: Heart Rate, SpO2, Sleep Tracking.
- Ratings: Fastrack Radiant FX4 is rated 4.3/5 from 347 ratings; Fire Boltt Gladiator is rated 4.1/5 from 67,512 ratings.
Last updated: · Prices in INR.
Key Stats
Expert Scores by Category
❤️ Health & Sensors
Fastrack Radiant FX4 wins
🔋 Battery Life
Fire Boltt Gladiator wins
📺 Display Quality
Fastrack Radiant FX4 wins
💰 Value for Money
Fire Boltt Gladiator wins
🖥 Software User Experience
Fastrack Radiant FX4 wins
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 inches | 1.96 inches |
| Display Type | AMOLED | TFT |
| Resolution | 466 x 466 pixels | 240 x 282 pixels |
| Battery Life | Up to 5 Days | Up to 7 Days |
| Weight | 120 g | 50 g |
| Water Resistance Depth | 1.5 mm | 1.5 m |
| IP Rating | IP68 | IP67 |
| Sports Modes | 100+ | 123 |
| Bluetooth Version | 5.3 | 5.0 |
Side-by-Side Spec Comparison
Blue highlight = best price.
|
Comparing
2 smartwatches · 40+ specs
|
Fastrack
Fastrack Radiant FX4
★★★★☆ 4.3 ₹5,499
|
Fire Boltt
Fire Boltt Gladiator
★★★★☆ 4.1 ₹9,999
|
|---|---|---|
| 🎨 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 |
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
Which is cheaper: Fastrack Radiant FX4 vs Fire Boltt Gladiator?
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.
Which has better battery life: Fastrack Radiant FX4 vs 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.
How do the displays compare: Fastrack Radiant FX4 vs Fire Boltt Gladiator?
Fastrack Radiant FX4 has a 1.51 inches AMOLED display; Fire Boltt Gladiator has a 1.96 inches TFT display.
Which of Fastrack Radiant FX4 and Fire Boltt Gladiator supports calling?
Fastrack Radiant FX4: Bluetooth Calling; Fire Boltt Gladiator: Bluetooth Calling.
Which is better: Fastrack Radiant FX4 vs Fire Boltt Gladiator?
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.