Screen size
Watch Buds 21.5"
Watch Fit 4Winner: 1.8"+18%
Quick verdict
Watch Fit 4 leads the measured specs 5-4.
Measured wins
Watch Buds 2
4
spec wins
Ties
4
equal specs
Watch Fit 4
5
spec wins
Overall winner
Screen size
Technology
Watch Buds 2
No cellular connectivity
Watch Fit 4
No cellular connectivity
2G bands
Watch Buds 2
N/A
Watch Fit 4
N/A
3G bands
Watch Buds 2
N/A
Watch Fit 4
N/A
4G bands
Watch Buds 2
N/A
Watch Fit 4
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
N/A
Speed
Watch Buds 2
No
Watch Fit 4
No
GPRS
Watch Buds 2
No
Watch Fit 4
No
EDGE
Watch Buds 2
No
Watch Fit 4
No
Announced
Watch Buds 2
2026, April 20
Watch Fit 4
2025, May 15
Status
Watch Buds 2
Available. Released 2026, April 20
Watch Fit 4
Available. Released 2025, May 26
Dimensions
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
Watch Buds 2
54.5 g (1.90 oz)
Watch Fit 4
27 g (0.95 oz)
Build
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
SIM
Watch Buds 2
No
Watch Fit 4
No
Other
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Watch Fit 4
5 ATM water resistant
Type
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
Watch Buds 2
1.5 inches
Watch Fit 4
1.82 inches
Resolution
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
OS
Watch Buds 2
HarmonyOS
Watch Fit 4
-
Card slot
Watch Buds 2
No
Watch Fit 4
No
Phonebook
Watch Buds 2
-
Watch Fit 4
No
Call records
Watch Buds 2
-
Watch Fit 4
No
Internal
Watch Buds 2
-
Watch Fit 4
Unspecified
Other
Watch Buds 2
No
Watch Fit 4
No
Loudspeaker
Watch Buds 2
No
Watch Fit 4
Yes
3.5mm jack
Watch Buds 2
No
Watch Fit 4
No
WLAN
Watch Buds 2
No
Watch Fit 4
No
Bluetooth
Watch Buds 2
5.2, A2DP, LE
Watch Fit 4
5.2, LE
Positioning
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
NFC
Watch Buds 2
Yes
Watch Fit 4
Yes (gray model only)
Radio
Watch Buds 2
No
Watch Fit 4
No
USB
Watch Buds 2
No
Watch Fit 4
No
Sensors
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Messaging
Watch Buds 2
-
Watch Fit 4
Email, IM
Games
Watch Buds 2
-
Watch Fit 4
No
Java
Watch Buds 2
-
Watch Fit 4
No
Other
Watch Buds 2
-
Watch Fit 4
Pulse wave arrhythmia analysis
Type
Watch Buds 2
Li-Ion 410 mAh
Watch Fit 4
Li-Ion 400 mAh
Charging
Watch Buds 2
Wireless
Watch Fit 4
5W wireless
Colors
Watch Buds 2
Black, Silver
Watch Fit 4
Black, Silver
Models
Watch Buds 2
LBA-B19
Watch Fit 4
SYA-B19
Price
Watch Buds 2
About 440 EUR
Watch Fit 4
$ 121.00 / € 104.76