Screen size
Watch 4 ProWinner: 1.5"+2.7%
Watch 61.5"
Quick verdict
Watch 6 leads the measured specs 7-2.
Measured wins
Watch 4 Pro
2
spec wins
Ties
5
equal specs
Watch 6
7
spec wins
Overall winner
Screen size
Technology
Watch 4 Pro
GSM / HSPA / LTE
Watch 6
No cellular connectivity
2G bands
Watch 4 Pro
GSM 850 / 900 / 1800 / 1900
Watch 6
N/A
3G bands
Watch 4 Pro
HSDPA 850 / 900 / 2100
Watch 6
N/A
4G bands
Watch 4 Pro
LTE
Resolution
equal specsRefresh 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 6
N/A
Speed
Watch 4 Pro
HSPA, LTE
Watch 6
No
GPRS
Watch 4 Pro
-
Watch 6
No
EDGE
Watch 4 Pro
-
Watch 6
No
Announced
Watch 4 Pro
2023, October 12
Watch 6
2026, June 18
Status
Watch 4 Pro
Available. Released 2023, October 12
Watch 6
Available. Released 2026, June 18
Dimensions
Watch 4 Pro
46.4 x 46.4 x 11.4 mm (1.83 x 1.83 x 0.45 in)
Watch 6
46.5 x 46.5 x 10.8 mm (1.83 x 1.83 x 0.43 in)
Weight
Watch 4 Pro
50 g (1.76 oz)
Watch 6
41 g or 50 g (1.45 oz)
Build
Watch 4 Pro
Glass front, plastic back, stainless steel frame 316L
Watch 6
Glass front, stainless steel frame (316L) or aluminum frame, reinforced plastic back
SIM
Watch 4 Pro
eSIM
Watch 6
No
Other
Watch 4 Pro
50m water resistant 5 ATM Compatible with standard 22mm straps
Watch 6
P68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) 5 ATM water resistant
Type
Watch 4 Pro
LTPO AMOLED
Watch 6
AMOLED, 3000 nits (peak)
Size
Watch 4 Pro
1.5 inches
Watch 6
1.46 inches
Resolution
Watch 4 Pro
464 x 464 pixels (~310 ppi density)
Watch 6
464 x 464 pixels (~317 ppi density)
OS
Watch 4 Pro
MagicOS 7.2
Watch 6
MagicOS
Card slot
Watch 4 Pro
No
Watch 6
No
Internal
Watch 4 Pro
-
Watch 6
4GB
Other
Watch 4 Pro
No
Watch 6
No
Loudspeaker
Watch 4 Pro
Yes
Watch 6
Yes
3.5mm jack
Watch 4 Pro
No
Watch 6
No
WLAN
Watch 4 Pro
No
Watch 6
No
Bluetooth
Watch 4 Pro
5.2, LE, EDR
Watch 6
5.4, LE, EDR
Positioning
Watch 4 Pro
GPS, GLONASS, BDS, GALILEO, QZSS
Watch 6
GPS (L1+L5), BDS, GALILEO, QZSS, GLONASS
NFC
Watch 4 Pro
Yes (market/region dependent)
Watch 6
Yes
Radio
Watch 4 Pro
No
Watch 6
No
USB
Watch 4 Pro
No
Watch 6
No
Sensors
Watch 4 Pro
Accelerometer, gyro, heart rate, barometer, compass, SpO2
Watch 6
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Type
Watch 4 Pro
Li-Po 480 mAh
Watch 6
980 mAh
Charging
Watch 4 Pro
Wireless
Watch 6
-
Colors
Watch 4 Pro
Black, Silver, Gold
Watch 6
Shadow Black, Twilight Brown
Models
Watch 4 Pro
TUM-L19
Watch 6
-
Price
Watch 4 Pro
About 230 EUR
Watch 6
About 250 EUR