Screen size
Watch 4 ProWinner: 1.5"+2.7%
Watch 6 Plus1.5"
Quick verdict
Watch 6 Plus leads the measured specs 7-2.
Measured wins
Watch 4 Pro
2
spec wins
Ties
5
equal specs
Watch 6 Plus
7
spec wins
Overall winner
Screen size
Technology
Watch 4 Pro
GSM / HSPA / LTE
Watch 6 Plus
No cellular connectivity
2G bands
Watch 4 Pro
GSM 850 / 900 / 1800 / 1900
Watch 6 Plus
N/A
3G bands
Watch 4 Pro
HSDPA 850 / 900 / 2100
Watch 6 Plus
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 Plus
N/A
Speed
Watch 4 Pro
HSPA, LTE
Watch 6 Plus
No
GPRS
Watch 4 Pro
-
Watch 6 Plus
No
EDGE
Watch 4 Pro
-
Watch 6 Plus
No
Announced
Watch 4 Pro
2023, October 12
Watch 6 Plus
2026, July 10
Status
Watch 4 Pro
Available. Released 2023, October 12
Watch 6 Plus
Released Jul 22, 2026
Dimensions
Watch 4 Pro
46.4 x 46.4 x 11.4 mm (1.83 x 1.83 x 0.45 in)
Watch 6 Plus
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 Plus
41 g or 50 g (1.45 oz)
Build
Watch 4 Pro
Glass front, plastic back, stainless steel frame 316L
Watch 6 Plus
Glass front, stainless steel bezel (316L), aluminum frame, fiber reinforced plastic back
SIM
Watch 4 Pro
eSIM
Watch 6 Plus
No
Other
Watch 4 Pro
50m water resistant 5 ATM Compatible with standard 22mm straps
Watch 6 Plus
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 Plus
AMOLED, 3000 nits (peak)
Size
Watch 4 Pro
1.5 inches
Watch 6 Plus
1.46 inches
Resolution
Watch 4 Pro
464 x 464 pixels (~310 ppi density)
Watch 6 Plus
464 x 464 pixels (~317 ppi density)
OS
Watch 4 Pro
MagicOS 7.2
Watch 6 Plus
MagicOS 10
Card slot
Watch 4 Pro
No
Watch 6 Plus
No
Internal
Watch 4 Pro
-
Watch 6 Plus
4GB
Other
Watch 4 Pro
No
Watch 6 Plus
No
Loudspeaker
Watch 4 Pro
Yes
Watch 6 Plus
Yes
3.5mm jack
Watch 4 Pro
No
Watch 6 Plus
No
WLAN
Watch 4 Pro
No
Watch 6 Plus
No
Bluetooth
Watch 4 Pro
5.2, LE, EDR
Watch 6 Plus
5.4, LE, EDR
Positioning
Watch 4 Pro
GPS, GLONASS, BDS, GALILEO, QZSS
Watch 6 Plus
GPS (L1+L5), BDS, GALILEO, QZSS, GLONASS, NavIC
NFC
Watch 4 Pro
Yes (market/region dependent)
Watch 6 Plus
Yes
Radio
Watch 4 Pro
No
Watch 6 Plus
No
USB
Watch 4 Pro
No
Watch 6 Plus
No
Sensors
Watch 4 Pro
Accelerometer, gyro, heart rate, barometer, compass, SpO2
Watch 6 Plus
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Type
Watch 4 Pro
Li-Po 480 mAh
Watch 6 Plus
Si/C Li-Po 1000 mAh
Charging
Watch 4 Pro
Wireless
Watch 6 Plus
-
Colors
Watch 4 Pro
Black, Silver, Gold
Watch 6 Plus
Black, Silver
Models
Watch 4 Pro
TUM-L19
Watch 6 Plus
ROM-B19
Price
Watch 4 Pro
About 230 EUR
Watch 6 Plus
About 170 EUR