Screen size
Watch Buds 21.5"
Watch D2Winner: 1.8"+18%
Quick verdict
Watch D2 leads the measured specs 7-3.
Measured wins
Watch Buds 2
3
spec wins
Ties
4
equal specs
Watch D2
7
spec wins
Overall winner
Screen size
Technology
Watch Buds 2
No cellular connectivity
Watch D2
No cellular connectivity
2G bands
Watch Buds 2
N/A
Watch D2
N/A
3G bands
Watch Buds 2
N/A
Watch D2
N/A
4G bands
Watch Buds 2
N/A
Watch D2
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 D2
No
GPRS
Watch Buds 2
No
Watch D2
No
EDGE
Watch Buds 2
No
Watch D2
No
Announced
Watch Buds 2
2026, April 20
Watch D2
2024, September 19
Status
Watch Buds 2
Available. Released 2026, April 20
Watch D2
Available. Released 2024, September 19
Dimensions
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Watch D2
48 x 38 x 13.3 mm (1.89 x 1.50 x 0.52 in)
Weight
Watch Buds 2
54.5 g (1.90 oz)
Watch D2
40 g (1.41 oz)
Build
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Watch D2
Glass front, aluminum frame
SIM
Watch Buds 2
No
Watch D2
No
Other
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Watch D2
IP68 dust tight and water resistant Blood Pressure Measurement & ECG with built-in pump & inflatable strap ECG certified
Type
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Watch D2
AMOLED
Size
Watch Buds 2
1.5 inches
Watch D2
1.82 inches
Resolution
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Watch D2
480 x 408 pixels (~347 ppi density)
OS
Watch Buds 2
HarmonyOS
Watch D2
HarmonyOS 5.0
Card slot
Watch Buds 2
No
Watch D2
No
Internal
Watch Buds 2
-
Watch D2
Unspecified
Other
Watch Buds 2
No
Watch D2
No
Loudspeaker
Watch Buds 2
No
Watch D2
Yes
3.5mm jack
Watch Buds 2
No
Watch D2
No
WLAN
Watch Buds 2
No
Watch D2
No
Bluetooth
Watch Buds 2
5.2, A2DP, LE
Watch D2
5.2, LE
Positioning
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Watch D2
GPS
NFC
Watch Buds 2
Yes
Watch D2
Yes (market/region dependent)
Radio
Watch Buds 2
No
Watch D2
No
USB
Watch Buds 2
No
Watch D2
No
Sensors
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Watch D2
Accelerometer, gyro, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor, barometer
Type
Watch Buds 2
Li-Ion 410 mAh
Watch D2
Li-Ion 524 mAh
Charging
Watch Buds 2
Wireless
Watch D2
5W wireless
Colors
Watch Buds 2
Black, Silver
Watch D2
Black, Gold
Models
Watch Buds 2
LBA-B19
Watch D2
LCA-B11
Price
Watch Buds 2
About 440 EUR
Watch D2
About 370 EUR