Screen size
equal specsWatch 4 Pro1.5"
Watch 6 Pro1.5"
Quick verdict
Watch 6 Pro leads the measured specs 5-3.
Measured wins
Watch 4 Pro
3
spec wins
Ties
5
equal specs
Watch 6 Pro
5
spec wins
Overall winner
Screen size
equal specsTechnology
Watch 4 Pro
GSM / HSPA / LTE
Watch 6 Pro
No cellular connectivity
2G bands
Watch 4 Pro
GSM 850 / 900 / 1800 / 1900
Watch 6 Pro
N/A
3G bands
Watch 4 Pro
HSDPA 850 / 900 / 2100
Watch 6 Pro
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 6 Pro
N/A
Speed
Watch 4 Pro
HSPA, LTE
Watch 6 Pro
No
GPRS
Watch 4 Pro
-
Watch 6 Pro
No
EDGE
Watch 4 Pro
-
Watch 6 Pro
No
Announced
Watch 4 Pro
2023, October 12
Watch 6 Pro
2026, September 28
Status
Watch 4 Pro
Available. Released 2023, October 12
Watch 6 Pro
Available. Released 2026, September 28
Dimensions
Watch 4 Pro
46.4 x 46.4 x 11.4 mm (1.83 x 1.83 x 0.45 in)
Watch 6 Pro
46.3 x 46.3 x 11.6 mm (1.82 x 1.82 x 0.46 in)
Weight
Watch 4 Pro
50 g (1.76 oz)
Watch 6 Pro
51 g (1.80 oz)
Build
Watch 4 Pro
Glass front, plastic back, stainless steel frame 316L
Watch 6 Pro
Glass front, stainless steel 316L case or ceramic case, reinforced plastic back
SIM
Watch 4 Pro
eSIM
Watch 6 Pro
No
Other
Watch 4 Pro
50m water resistant 5 ATM Compatible with standard 22mm straps
Watch 6 Pro
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) 5 ATM water resistant ECG certified
Type
Watch 4 Pro
LTPO AMOLED
Watch 6 Pro
Dual-layer AMOLED, 4500 nits (HBM), 5500 nits (peak)
Size
Watch 4 Pro
1.5 inches
Watch 6 Pro
1.5 inches
Resolution
Watch 4 Pro
464 x 464 pixels (~310 ppi density)
Watch 6 Pro
466 x 466 pixels (~310 ppi density)
OS
Watch 4 Pro
MagicOS 7.2
Watch 6 Pro
MagicOS
Card slot
Watch 4 Pro
No
Watch 6 Pro
No
Internal
Watch 4 Pro
-
Watch 6 Pro
Unspecified
Other
Watch 4 Pro
No
Watch 6 Pro
No
Loudspeaker
Watch 4 Pro
Yes
Watch 6 Pro
Yes
3.5mm jack
Watch 4 Pro
No
Watch 6 Pro
No
WLAN
Watch 4 Pro
No
Watch 6 Pro
No
Bluetooth
Watch 4 Pro
5.2, LE, EDR
Watch 6 Pro
5.4, LE, EDR
Positioning
Watch 4 Pro
GPS, GLONASS, BDS, GALILEO, QZSS
Watch 6 Pro
GPS (L1+L5), BDS, GALILEO, QZSS, GLONASS
NFC
Watch 4 Pro
Yes (market/region dependent)
Watch 6 Pro
Yes
Radio
Watch 4 Pro
No
Watch 6 Pro
No
USB
Watch 4 Pro
No
Watch 6 Pro
No
Sensors
Watch 4 Pro
Accelerometer, gyro, heart rate, barometer, compass, SpO2
Watch 6 Pro
Accelerometer, gyro, compass, barometer, heart rate, SpO2, blood glucose meter
Other
Watch 4 Pro
-
Watch 6 Pro
Cardiac arrest, blood pressure monitoring
Type
Watch 4 Pro
Li-Po 480 mAh
Watch 6 Pro
Li-Po 500 mAh
Charging
Watch 4 Pro
Wireless
Watch 6 Pro
Wireless charging
Colors
Watch 4 Pro
Black, Silver, Gold
Watch 6 Pro
Black, Silver
Models
Watch 4 Pro
TUM-L19
Watch 6 Pro
HLO-B19
Price
Watch 4 Pro
About 230 EUR
Watch 6 Pro
About 220 EUR