Screen size
Galaxy Watch Ultra21.5"
S730iWinner: 2.0"+25%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-6.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
3
equal specs
S730i
6
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
S730i
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
S730i
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
S730i
-
4G bands
Galaxy Watch Ultra2
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
S730i
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
S730i
-
GPRS
Galaxy Watch Ultra2
-
S730i
Yes
EDGE
Galaxy Watch Ultra2
-
S730i
Yes
Announced
Galaxy Watch Ultra2
Not announced yet
S730i
2007, July. Released 2007, October
Status
Galaxy Watch Ultra2
Rumored
S730i
Discontinued
Dimensions
Galaxy Watch Ultra2
-
S730i
100 x 50 x 14.8 mm (3.94 x 1.97 x 0.58 in)
Weight
Galaxy Watch Ultra2
-
S730i
83 g (2.93 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
S730i
-
SIM
Galaxy Watch Ultra2
eSIM
S730i
Mini-SIM
Other
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
S730i
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
S730i
TFT, 256K colors
Size
Galaxy Watch Ultra2
1.5 inches
S730i
2.0 inches, 12.6 cm2 (~25.2% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
S730i
176 x 220 pixels (~141 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
S730i
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
S730i
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
S730i
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
S730i
-
Card slot
Galaxy Watch Ultra2
No
S730i
microSD (dedicated slot)
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
S730i
80MB
Phonebook
Galaxy Watch Ultra2
-
S730i
1000 entries, Photocall
Call records
Galaxy Watch Ultra2
-
S730i
30 dialed, 30 received, 30 missed calls
Other
Galaxy Watch Ultra2
No
S730i
-
Loudspeaker
Galaxy Watch Ultra2
Yes
S730i
Yes
3.5mm jack
Galaxy Watch Ultra2
No
S730i
No
Alert types
Galaxy Watch Ultra2
-
S730i
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
S730i
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
S730i
2.0, A2DP
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
S730i
No
NFC
Galaxy Watch Ultra2
Yes
S730i
-
Radio
Galaxy Watch Ultra2
No
S730i
No
USB
Galaxy Watch Ultra2
No
S730i
2.0
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
S730i
Messaging
Galaxy Watch Ultra2
-
S730i
SMS, EMS, MMS, Email
Browser
Galaxy Watch Ultra2
-
S730i
i-mode
Games
Galaxy Watch Ultra2
-
S730i
Yes + downloadable
Java
Galaxy Watch Ultra2
-
S730i
Yes, DoJa 2.5
Other
Galaxy Watch Ultra2
-
S730i
MP3/AAC/ACC+ player Predictive text input Photo editor Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
S730i
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
S730i
-
Stand-by
Galaxy Watch Ultra2
-
S730i
Up to 200 h
Talk time
Galaxy Watch Ultra2
-
S730i
Up to 6 h
Colors
Galaxy Watch Ultra2
Gray, Green
S730i
Silver
Models
Galaxy Watch Ultra2
SM-L715F
S730i
-
Price
Galaxy Watch Ultra2
About 750 EUR
S730i
-
SAR EU
Galaxy Watch Ultra2
-
S730i
0.47 W/kg (head)
Single
Galaxy Watch Ultra2
-
S730i
2 MP
Features
Galaxy Watch Ultra2
-
S730i
LED flash
Video
Galaxy Watch Ultra2
-
S730i
320p
Other
Galaxy Watch Ultra2
-
S730i
No