Which is better: ?
Comparing boAt Wave Sigma and Fire Boltt Cobalt: boAt Wave Sigma is the better pick for the lowest price, the longest battery life and value for money; Fire Boltt Cobalt is the better pick for health and fitness tracking, display quality and software experience.
- Price: boAt Wave Sigma is priced at ₹1,599; Fire Boltt Cobalt is priced at ₹1,749. boAt Wave Sigma is the cheapest, ₹150 less than Fire Boltt Cobalt.
- Display: boAt Wave Sigma has a 2.01 inches LCD display; Fire Boltt Cobalt has a 1.43 inches AMOLED display.
- Battery life: boAt Wave Sigma: Up to 7 Days; Fire Boltt Cobalt: Up to 5 Days. boAt Wave Sigma claims the longest battery life.
- Calling: boAt Wave Sigma: Bluetooth Calling; Fire Boltt Cobalt: Bluetooth Calling.
- Health tracking: boAt Wave Sigma: Heart Rate, SpO2, Sleep Tracking; Fire Boltt Cobalt: Heart Rate, SpO2, Sleep Tracking.
- Ratings: boAt Wave Sigma is rated 4.1/5 from 28,027 ratings; Fire Boltt Cobalt is rated 4/5 from 1,931 ratings.
Last updated: · Prices in INR.
Comparing
3 smartwatches · 40+ specs
Add Watch to Compare
Key Stats
Expert Scores by Category
❤️ Health & SensorsFire Boltt Cobalt wins
🔋 Battery LifeFire Boltt Cobalt wins
📺 Display QualityFire Boltt Cobalt wins
💰 Value for MoneyboAt Wave Sigma wins
Software User ExperienceFire Boltt Cobalt wins
Key Differences: boAt Wave Sigma vs Fire Boltt Cobalt
Feature |
boAt Wave Sigma |
Fire Boltt Cobalt |
|---|---|---|
| Price | ₹1,599 | ₹1,749 |
| Display Size | 2.01 inches | 1.43 inches |
| Display Type | LCD | AMOLED |
| Resolution | 240 x 296 pixels | 466 x 466 pixels |
| Battery Life | Up to 7 Days | Up to 5 Days |
| Sports Modes | 700+ | 100+ |
Side-by-Side Spec Comparison
★ = category winner | Blue highlight = best in that row
boAt
boAt Wave Sigma
Fire Boltt
Fire Boltt Cobalt
🎨 Design
Dial Color
Black
Grey
--
Dial Shape
Rectangle
Round
--
Strap Color
Purple
Grey
--
Strap Material
Silicone
Stainless Steel
--
Dial Material
Polycarbonate
Stainless Steel
--
Size
One Size
46 mm
--
Width
--
54.4 mm
--
Height
--
15.2 mm
--
Thickness
--
15.2 mm
--
Diameter
--
46 mm
--
Weight
--
155 g
--
Number of Buttons
1
3
--
Closure
Buckle
Metal Clasp
--
Scratch Resistant
--
Yes
--
Water Resistant
Yes
Yes
--
Water Resistance Depth
--
1 m
--
IP / ATM Rating
IP67
IP67
--
Rotating Crown / Bezel
No
No
--
📺 Display
Display Type
LCD
AMOLED
--
Display Size
2.01 inches
1.43 inches
--
Display Resolution
240 x 296 pixels
466 x 466 pixels
--
Touchscreen
Yes
Yes
--
Backlight Display
Yes
No
--
Date & Time Display
Digital
Digital
--
Peak Brightness
550 nits
--
--
Always-On Display
No
Yes
--
Other Display Features
Wake Gesture
2.5D Full Lamination
--
🔋 Battery
Battery Life
Up to 7 Days
Up to 5 Days
--
Rechargable Battery
Yes
Yes
--
Battery Type
Lithium Polymer
Lithium Ion
--
Battery Capacity
230 mAh
--
--
Charge Time
2 hours
3 hours
--
Charger Type
Magnetic Charger
Magnetic Charger
--
Wireless Charging
No
No
--
Fast Charging
No
No
--
Standby Time
Up to 30 Days
15 Days
--
Talk Time
--
3 hours
--
❤️ Health & Sensors
Sensor
Accelerometer, Optical Heart Rate Sensor, SpO2 Sensor
Accelerometer, Optical Heart Rate Sensor, SpO2 Sensor
--
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
No
No
--
Respiratory Rate
No
No
--
Women's Health / Cycle Tracking
No
Yes
--
Sports Modes
700+
100+
--
VO2 Max
No
No
--
Fall Detection
No
No
--
Crash Detection
No
No
--
Emergency SOS
No
No
--
Other Fitness Features
Sleep Tracking, Sedentary Reminder, Breathing Exercise
Sleep Tracking, Sedentary Reminder, Breathing Exercise
--
💡 Smart Features
Call Function
Bluetooth Calling
Bluetooth Calling
--
Call Features
Dial Pad, Call History, Contact Sync
Reject Calls, Take Calls, Dial Pad, Contact Sync
--
Messaging Support
No
No
--
Email Support
No
No
--
Notification
Yes
Yes
--
Notification Type
Calls, SMS, Social Media Apps
Vibration
--
Voice Control
Yes
Yes
--
Gesture Control
Wrist Raise to Wake
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
boAt Crest App
Da Fit
--
Watch Faces
100+
100+
--
Other Watch Functions
Stopwatch, Timer, Weather, Music Control, Find My Phone, Remote Camera
Stopwatch, Timer, Weather, Music Control, Find My Phone, Remote Camera
--
⚡ Performance
Operating System
Proprietary OS
Proprietary OS
--
Compatible Operating System
Android, iOS
Android, iOS
--
Expandable Memory
No
No
--
🎧 Calling & Audio
Microphone
Yes
Yes
--
Speaker
Yes
Yes
--
📡 Connectivity
Bluetooth
Yes
Yes
--
Bluetooth Version
5.0
5.0
--
Wi-Fi
No
No
--
Compatible Device
Android, iOS
Android, iOS
--
Operating Range
10 m
10 m
--
📝 Additional Information
Usage
Fitness, Casual
Fitness, Casual
--
Language
English
English
--
Chronograph
No
No
--
Warranty
1 Year
1 Year
--
Watch Type
Smartwatch
Smartwatch
--
Other Features
Built-in Games, Flashlight
Built-in Games
--
💰 Price
Best Price
₹1,599
₹1,749
--
Discount
78% OFF
92% OFF
--
Buy
--
🏆 Expert Verdict
Our Recommendation
Premium metal build with AMOLED
boAt Wave Sigma
Sturdy circular metallic casing, high-resolution AMOLED screen, and comprehensive health suite with Bluetooth calling.
View Prices →Ultra-budget large display companion
Fire Boltt Cobalt
Massive entry-level display, custom ringtones, budget-friendly pricing, and reliable basic activity tracking.
View Prices →🔥 Trending
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❓ FAQ
Compare FAQs
boAt Wave Sigma is priced at ₹1,599; Fire Boltt Cobalt is priced at ₹1,749. boAt Wave Sigma is the cheapest, ₹150 less than Fire Boltt Cobalt.
boAt Wave Sigma: Up to 7 Days; Fire Boltt Cobalt: Up to 5 Days. boAt Wave Sigma claims the longest battery life.
boAt Wave Sigma has a 2.01 inches LCD display; Fire Boltt Cobalt has a 1.43 inches AMOLED display.
boAt Wave Sigma: Bluetooth Calling; Fire Boltt Cobalt: Bluetooth Calling.
Comparing boAt Wave Sigma and Fire Boltt Cobalt: boAt Wave Sigma is the better pick for the lowest price, the longest battery life and value for money; Fire Boltt Cobalt is the better pick for health and fitness tracking, display quality and software experience.