Screen size
equal specsWatch 4 Pro1.5"
Watch Buds 21.5"
Quick verdict
Watch 4 Pro and Watch Buds 2 are close on the measured specs.
Measured wins
Watch 4 Pro
4
spec wins
Ties
6
equal specs
Watch Buds 2
4
spec wins
Screen size
equal specsTechnology
Watch 4 Pro
HSPA / LTE
Watch Buds 2
No cellular connectivity
2G bands
Watch 4 Pro
N/A
Watch Buds 2
N/A
3G bands
Watch 4 Pro
HSDPA 850 / 900 / 1800 / 1900 / 2100 / 800
Watch Buds 2
N/A
4G bands
Watch 4 Pro
LTE
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
Watch Buds 2
N/A
Speed
Watch 4 Pro
HSPA, LTE
Watch Buds 2
No
GPRS
Watch 4 Pro
-
Watch Buds 2
No
EDGE
Watch 4 Pro
-
Watch Buds 2
No
Announced
Watch 4 Pro
2023, May 10
Watch Buds 2
2026, April 20
Status
Watch 4 Pro
Available. Released 2023, June 22
Watch Buds 2
Available. Released 2026, April 20
Dimensions
Watch 4 Pro
47.6 x 47.6 x 12.9 mm (1.87 x 1.87 x 0.51 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
Watch 4 Pro
65 g (2.29 oz)
Watch Buds 2
54.5 g (1.90 oz)
Build
Watch 4 Pro
Glass front, ceramic back, TC4 titanium frame
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
SIM
Watch 4 Pro
eSIM
Watch Buds 2
No
Other
Watch 4 Pro
50m water resistant 5 ATM Compatible with standard 22mm straps
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Type
Watch 4 Pro
LTPO AMOLED
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
Watch 4 Pro
1.5 inches
Watch Buds 2
1.5 inches
Resolution
Watch 4 Pro
466 x 466 pixels (~310 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Protection
Watch 4 Pro
Sapphire crystal glass
Watch Buds 2
-
OS
Watch 4 Pro
HarmonyOS 3.0
Watch Buds 2
HarmonyOS
Card slot
Watch 4 Pro
No
Watch Buds 2
No
Internal
Watch 4 Pro
32GB 2GB RAM
Watch Buds 2
-
Other
Watch 4 Pro
No
Watch Buds 2
No
Loudspeaker
Watch 4 Pro
Yes
Watch Buds 2
No
3.5mm jack
Watch 4 Pro
No
Watch Buds 2
No
WLAN
Watch 4 Pro
Wi-Fi 802.11 b/g/n (market/region dependent)
Watch Buds 2
No
Bluetooth
Watch 4 Pro
5.2, A2DP, LE
Watch Buds 2
5.2, A2DP, LE
Positioning
Watch 4 Pro
GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
NFC
Watch 4 Pro
Yes
Watch Buds 2
Yes
Radio
Watch 4 Pro
No
Watch Buds 2
No
USB
Watch 4 Pro
No
Watch Buds 2
No
Sensors
Watch 4 Pro
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature)
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Type
Watch 4 Pro
Li-Ion
Watch Buds 2
Li-Ion 410 mAh
Charging
Watch 4 Pro
Wireless
Watch Buds 2
Wireless
Colors
Watch 4 Pro
Titanium
Watch Buds 2
Black, Silver
Models
Watch 4 Pro
MDS-AL00, MDS-AL10
Watch Buds 2
LBA-B19
Price
Watch 4 Pro
About 550 EUR
Watch Buds 2
About 440 EUR