Screen size
equal specsWatch D21.8"
Watch Fit 4 Pro1.8"
Quick verdict
Watch Fit 4 Pro leads the measured specs 3-2.
Measured wins
Watch D2
2
spec wins
Ties
9
equal specs
Watch Fit 4 Pro
3
spec wins
Overall winner
Screen size
equal specsResolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Technology
Watch D2
No cellular connectivity
Watch Fit 4 Pro
No cellular connectivity
2G bands
Watch D2
N/A
Watch Fit 4 Pro
N/A
3G bands
Watch D2
N/A
Watch Fit 4 Pro
N/A
4G bands
Watch D2
N/A
Watch Fit 4 Pro
N/A
Speed
Watch D2
No
Watch Fit 4 Pro
No
GPRS
Watch D2
No
Watch Fit 4 Pro
No
EDGE
Watch D2
No
Watch Fit 4 Pro
No
Announced
Watch D2
2024, September 19
Watch Fit 4 Pro
2025, May 15
Status
Watch D2
Available. Released 2024, September 19
Watch Fit 4 Pro
Available. Released 2025, May 26
Dimensions
Watch D2
48 x 38 x 13.3 mm (1.89 x 1.50 x 0.52 in)
Watch Fit 4 Pro
44.5 x 40 x 9.3 mm (1.75 x 1.57 x 0.37 in)
Weight
Watch D2
40 g (1.41 oz)
Watch Fit 4 Pro
30.4 g (1.09 oz)
Build
Watch D2
Glass front, aluminum frame
Watch Fit 4 Pro
Glass front (Sapphire Glass), titanium alloy bezel, aluminum alloy mid-frame, polymer fiber back
SIM
Watch D2
No
Watch Fit 4 Pro
No
Other
Watch D2
IP68 dust tight and water resistant Blood Pressure Measurement & ECG with built-in pump & inflatable strap ECG certified
Watch Fit 4 Pro
5 ATM water resistant IP6X dust tight ECG certified 40m swimproof/diving (EN13319)
Type
Watch D2
AMOLED
Watch Fit 4 Pro
AMOLED, 3000 nits (peak)
Size
Watch D2
1.82 inches
Watch Fit 4 Pro
1.82 inches
Resolution
Watch D2
480 x 408 pixels (~347 ppi density)
Watch Fit 4 Pro
480 x 408 pixels (~347 ppi density)
Protection
Watch D2
-
Watch Fit 4 Pro
Sapphire Glass
OS
Watch D2
HarmonyOS 5.0
Watch Fit 4 Pro
-
Card slot
Watch D2
No
Watch Fit 4 Pro
No
Internal
Watch D2
Unspecified
Watch Fit 4 Pro
Unspecified
Phonebook
Watch D2
-
Watch Fit 4 Pro
No
Call records
Watch D2
-
Watch Fit 4 Pro
No
Other
Watch D2
No
Watch Fit 4 Pro
No
Loudspeaker
Watch D2
Yes
Watch Fit 4 Pro
Yes
3.5mm jack
Watch D2
No
Watch Fit 4 Pro
No
WLAN
Watch D2
No
Watch Fit 4 Pro
No
Bluetooth
Watch D2
5.2, LE
Watch Fit 4 Pro
5.2, LE
Positioning
Watch D2
GPS
Watch Fit 4 Pro
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
NFC
Watch D2
Yes (market/region dependent)
Watch Fit 4 Pro
Yes
Radio
Watch D2
No
Watch Fit 4 Pro
No
USB
Watch D2
No
Watch Fit 4 Pro
No
Sensors
Watch D2
Accelerometer, gyro, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor, barometer
Watch Fit 4 Pro
Accelerometer, gyro, heart rate, SpO2, compass, barometer, thermometer (skin temperature)
Messaging
Watch D2
-
Watch Fit 4 Pro
Email, IM
Games
Watch D2
-
Watch Fit 4 Pro
No
Java
Watch D2
-
Watch Fit 4 Pro
No
Other
Watch D2
-
Watch Fit 4 Pro
Pulse wave arrhythmia analysis
Type
Watch D2
Li-Ion 524 mAh
Watch Fit 4 Pro
Li-Ion 400 mAh
Charging
Watch D2
5W wireless
Watch Fit 4 Pro
5W wireless
Colors
Watch D2
Black, Gold
Watch Fit 4 Pro
Green, Blue, Black
Models
Watch D2
LCA-B11
Watch Fit 4 Pro
SYA-B29
Price
Watch D2
About 370 EUR
Watch Fit 4 Pro
$ 227.43 / € 160.61