Compare Fastrack XR1-1.38|BT Calling|Fast… vs Noise Evolve 4 1.46 AMOLED Always On…
Key differences
- Cheapest right now: Fastrack XR1-1.38|BT Calling|Fast… at ₹1,699.
2 smartwatchesSpecs from each Flipkart listing
₹1,699₹3,995
Checked 10 Nov 2026, 2:46 pm ISTFlipkart 
₹3,499₹8,999
Checked 10 Nov 2026, 9:34 am ISTFlipkart Price today
Flipkart MRP
₹3,995
₹8,999
Below MRP
57%
61%
Display
Screen size
34.9 mm
37.084 mm
Display type
LCD
AMOLED
Resolution
240 x 240 Pixel
466 x 466 pixel
Dial shape
Round
Round
Features
Calling
Yes
Yes
Heart rate
Not listed
Yes
Water resistance
Yes
Yes
Battery & warranty
Battery life
Upto 5 Days
Upto 7 days
Works with
Android & iOS
Android & iOS
Strap
Silicone
Stainless steel
All other specs from Flipkart (49)
Fitness and Watch Functions
Step Count
Yes
Yes
Other Fitness Features
One Click Measurement, 24*7 HRM, Auto Stress, SpO2, Sleep Tracker, Women's Health, Activity Tracker, Breathe Exercise, 100+ Multisports
Not listed
Date & Time Display
Yes
Yes
Compass
No
No
Calendar
No
Yes
Alarm Clock
Yes
Yes
Number of Buttons
1
Not listed
Calorie Count
Not listed
Yes
Altimeter
Not listed
No
Chronograph
Not listed
No
In the Box
Sales Package
Watch, Charging Cable, Quick Start Guide
Smartwatch, Magnetic Charger, User Manual, Warranty Card
General
Model Number
38088PP01
wrb-sw-evolve4-mtl-blk_blk
Model Name
XR1-1.38|BT Calling|Fast Charge|100+ Sports Mode|IP68|Calculator|Fashion
Evolve 4 1.46 AMOLED Always On Display with Premium Design & Bluetooth Calling
Strap Color
Black
Black
Size
Free Size
Regular
Touchscreen
Yes
Yes
Usage
Fitness & Outdoor
Fitness & Outdoor
Ideal For
Men & Women
Men & Women
Brand Strap Color
Black
Elite Balck
Dial Color
Not listed
Black
Camera and Display Features
Scratch Resistant
No
Yes
Backlight Display
Not listed
Yes
Dimensions
Height
52.5 mm (5.25 cm)
Not listed
Weight
45 G
Not listed
Audio and Video Features
Microphone
Yes
Yes
Speaker
Not listed
Yes
Voice Control
Not listed
Yes
Product Details
Brand Color
Black
Elite Balck
Closure
Buckle
Not listed
Sensor
Heart Rate & SpO2
Heart Rate, Accelerometer
Notification
Call Notifications , Call Answer & Reject, Call Mute, Social Media Notifications, SMS Notifictaions, Other App Notification
Yes
Notification Type
Ring and Vibration
Not listed
Battery Type
Lithium Polymer
Not listed
Charge Time
120 min
Not listed
Rechargeable Battery
Yes
Yes
Charger Type
Pogo Pin Charging Cable
Not listed
Sim Slot Present
No
No
Voice Caling
Yes
Yes
Battery Run Time
Not listed
Upto 7 days
Multi-touch
Not listed
Yes
Connectivity Features
Bluetooth
Yes
Yes
Bluetooth Version
v5.3
Not listed
Operating Range
10 m
10 m
Call Features
Call Answer, Call Reject, Call Mute, Call Notifications, Quick Replies (Android)
Not listed
Wi-Fi
Not listed
No
GPS
Not listed
No
Messaging Support
Not listed
Yes
Email Support
Not listed
Yes
Additional Features
Key Features
Not listed
1.46" AMOLED, Bluetooth Calling, IP68 Waterproof, 100+ Sports Modes
Specs are copied exactly from each Flipkart listing (last seen 2026-11-10); sellers write them and they can be incomplete or wrong. “Not listed” means Flipkart does not show it — we never fill it in. Prices are our own checks, shown only while under 24 hours old. See all smartwatches to compare.