Screen size
Watch Edition Series 61.8"
Watch Ultra 3Winner: 2.0"+10%
Quick verdict
Watch Ultra 3 leads the measured specs 7-3.
Measured wins
Watch Edition Series 6
3
spec wins
Ties
4
equal specs
Watch Ultra 3
7
spec wins
Overall winner
Screen size
Technology
Watch Edition Series 6
GSM / HSPA / LTE
Watch Ultra 3
GSM / HSPA / LTE / 5G
2G bands
Watch Edition Series 6
GSM 850 / 900 / 1800 / 1900
Watch Ultra 3
GSM 850 / 900 / 1800 / 1900
3G bands
Watch Edition Series 6
HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global
Watch Ultra 3
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4G bands
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Edition Series 6
1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada, 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - Global
Watch Ultra 3
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK, 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Speed
Watch Edition Series 6
HSPA, LTE
Watch Ultra 3
HSPA, LTE, 5G
5G bands
Watch Edition Series 6
-
Watch Ultra 3
SA/NSA
Announced
Watch Edition Series 6
2020, September 15
Watch Ultra 3
2025, September 09
Status
Watch Edition Series 6
Available. Released 2020, September 18
Watch Ultra 3
Available. Released 2025, September 19
Dimensions
Watch Edition Series 6
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Watch Ultra 3
49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Weight
Watch Edition Series 6
41.3 g (1.45 oz)
Watch Ultra 3
61.6 g or 61.8 g (black) (2.15 oz)
Build
Watch Edition Series 6
Glass front (Sapphire crystal), ceramic/sapphire crystal back, titanium frame
Watch Ultra 3
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5)
SIM
Watch Edition Series 6
eSIM
Watch Ultra 3
eSIM
Other
Watch Edition Series 6
50m water resistant ECG certified (region dependent SW application; HW available on all models)
Watch Ultra 3
IP6X certified 100m water resistant (22810:2010) 40m swimproof/diving (EN13319) MIL-STD-810H compliant ECG certified (region dependent SW application; HW available on all models)
Type
Watch Edition Series 6
Retina LTPO OLED, 1000 nits (peak)
Watch Ultra 3
Retina LTPO3 OLED, 3000 nits (peak)
Size
Watch Edition Series 6
1.78 inches
Watch Ultra 3
1.98 inches
Resolution
Watch Edition Series 6
448 x 368 pixels (~326 ppi density)
Watch Ultra 3
514 x 422 pixels (~326 ppi density)
Protection
Watch Edition Series 6
Sapphire crystal glass
Watch Ultra 3
Sapphire crystal glass
Other
Watch Edition Series 6
-
Watch Ultra 3
Wide-angle OLED
OS
Watch Edition Series 6
watchOS 7.0, upgradable to watchOS 26.2.1
Watch Ultra 3
watchOS 26, upgradable to watchOS 26.2.1
Chipset
Watch Edition Series 6
Apple S6
Watch Ultra 3
Apple S10
CPU
Watch Edition Series 6
Dual-core
Watch Ultra 3
Dual-core
GPU
Watch Edition Series 6
PowerVR
Watch Ultra 3
PowerVR
Card slot
Watch Edition Series 6
No
Watch Ultra 3
No
Internal
Watch Edition Series 6
32GB 1GB RAM
Watch Ultra 3
64GB
Other
Watch Edition Series 6
No
Watch Ultra 3
No
Loudspeaker
Watch Edition Series 6
Yes
Watch Ultra 3
Yes, with dual speakers (86-decibel)
3.5mm jack
Watch Edition Series 6
No
Watch Ultra 3
No
WLAN
Watch Edition Series 6
Wi-Fi 802.11 b/g/n, dual-band
Watch Ultra 3
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
Watch Edition Series 6
5.0, A2DP, LE
Watch Ultra 3
5.3, A2DP, LE
Positioning
Watch Edition Series 6
GPS, GLONASS, GALILEO, QZSS
Watch Ultra 3
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Watch Edition Series 6
Yes
Watch Ultra 3
Yes
Radio
Watch Edition Series 6
No
Watch Ultra 3
No
USB
Watch Edition Series 6
No
Watch Ultra 3
No
Sensors
Watch Edition Series 6
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max
Watch Ultra 3
Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
Other
Watch Edition Series 6
Ultra Wideband (UWB) support
Watch Ultra 3
Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support (gen2 chip) Emergency SOS via satellite
Type
Watch Edition Series 6
Li-Ion 303.8 mAh
Watch Ultra 3
Li-Ion 599 mAh
Charging
Watch Edition Series 6
Wireless
Watch Ultra 3
Wireless, 0-80% in 45 min
Colors
Watch Edition Series 6
Titanium, Space Black
Watch Ultra 3
Natural, Black
Models
Watch Edition Series 6
A2293, A2294, A2375, A2376
Watch Ultra 3
A3281, A3282
Price
Watch Edition Series 6
About 810 EUR
Watch Ultra 3
€ 829.00
SAR
Watch Edition Series 6
-
Watch Ultra 3
1.16 W/kg (head)
SAR EU
Watch Edition Series 6
-
Watch Ultra 3
1.19 W/kg (head)