Screen size
equal specsWatch 5 Ultra1.5"
Watch 6 Pro1.5"
Quick verdict
Watch 6 Pro leads the measured specs 5-3.
Measured wins
Watch 5 Ultra
3
spec wins
Ties
6
equal specs
Watch 6 Pro
5
spec wins
Overall winner
Screen size
equal specsTechnology
Watch 5 Ultra
No cellular connectivity
Watch 6 Pro
No cellular connectivity
2G bands
Watch 5 Ultra
N/A
Watch 6 Pro
N/A
3G bands
Watch 5 Ultra
N/A
Watch 6 Pro
N/A
4G bands
Watch 5 Ultra
N/A
Watch 6 Pro
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
equal specsThickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
N/A
Speed
Watch 5 Ultra
No
Watch 6 Pro
No
GPRS
Watch 5 Ultra
No
Watch 6 Pro
No
EDGE
Watch 5 Ultra
No
Watch 6 Pro
No
Announced
Watch 5 Ultra
2025, March 02
Watch 6 Pro
2026, September 28
Status
Watch 5 Ultra
Available. Released 2025, June 18
Watch 6 Pro
Available. Released 2026, September 28
Dimensions
Watch 5 Ultra
46.3 x 46.3 x 11.4 mm (1.82 x 1.82 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 5 Ultra
51.8 g (1.83 oz)
Watch 6 Pro
51 g (1.80 oz)
Build
Watch 5 Ultra
Glass front, titanium alloy frame (grade 5), fiber-reinforced plastic back
Watch 6 Pro
Glass front, stainless steel 316L case or ceramic case, reinforced plastic back
SIM
Watch 5 Ultra
No
Watch 6 Pro
No
Other
Watch 5 Ultra
IP68 dust tight and water resistant 5 ATM/40m ECG certified
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 5 Ultra
LTPO AMOLED
Watch 6 Pro
Dual-layer AMOLED, 4500 nits (HBM), 5500 nits (peak)
Size
Watch 5 Ultra
1.5 inches
Watch 6 Pro
1.5 inches
Resolution
Watch 5 Ultra
466 x 466 pixels (~310 ppi density)
Watch 6 Pro
466 x 466 pixels (~310 ppi density)
Protection
Watch 5 Ultra
Sapphire Glass
Watch 6 Pro
-
OS
Watch 5 Ultra
Proprietary OS
Watch 6 Pro
MagicOS
Card slot
Watch 5 Ultra
No
Watch 6 Pro
No
Internal
Watch 5 Ultra
8GB
Watch 6 Pro
Unspecified
Other
Watch 5 Ultra
No
Watch 6 Pro
No
Loudspeaker
Watch 5 Ultra
Yes
Watch 6 Pro
Yes
3.5mm jack
Watch 5 Ultra
No
Watch 6 Pro
No
WLAN
Watch 5 Ultra
No
Watch 6 Pro
No
Bluetooth
Watch 5 Ultra
5.2, A2DP, LE
Watch 6 Pro
5.4, LE, EDR
Positioning
Watch 5 Ultra
GPS
Watch 6 Pro
GPS (L1+L5), BDS, GALILEO, QZSS, GLONASS
NFC
Watch 5 Ultra
No
Watch 6 Pro
Yes
Radio
Watch 5 Ultra
No
Watch 6 Pro
No
USB
Watch 5 Ultra
No
Watch 6 Pro
No
Sensors
Watch 5 Ultra
Accelerometer, gyro, heart rate, barometer, compass, SpO2
Watch 6 Pro
Accelerometer, gyro, compass, barometer, heart rate, SpO2, blood glucose meter
Other
Watch 5 Ultra
-
Watch 6 Pro
Cardiac arrest, blood pressure monitoring
Type
Watch 5 Ultra
480 mAh
Watch 6 Pro
Li-Po 500 mAh
Charging
Watch 5 Ultra
-
Watch 6 Pro
Wireless charging
Colors
Watch 5 Ultra
Black, Brown
Watch 6 Pro
Black, Silver
Price
Watch 5 Ultra
$ 65.99
Watch 6 Pro
About 220 EUR
Models
Watch 5 Ultra
-
Watch 6 Pro
HLO-B19