Screen size
Galaxy Watch Ultra21.5"
Z230Winner: 1.9"+21%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-7.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
2
equal specs
Z230
7
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
Z230
GSM / UMTS
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
Z230
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z230
UMTS 2100
4G bands
Galaxy Watch Ultra2
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
3.5mm jack
equal specsSD card
Stereo speakers
Z230
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
Z230
Yes, 384 kbps
Announced
Galaxy Watch Ultra2
Not announced yet
Z230
2006, September
Status
Galaxy Watch Ultra2
Rumored
Z230
Discontinued
Dimensions
Galaxy Watch Ultra2
-
Z230
91 x 47 x 23 mm (3.58 x 1.85 x 0.91 in)
Weight
Galaxy Watch Ultra2
-
Z230
95 g (3.35 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Z230
-
SIM
Galaxy Watch Ultra2
eSIM
Z230
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
Z230
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Z230
TFT, 256K colors
Size
Galaxy Watch Ultra2
1.5 inches
Z230
1.9 inches, 11.4 cm2 (~26.6% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Z230
176 x 220 pixels (~148 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
Z230
-
Other
Galaxy Watch Ultra2
-
Z230
Second external display TFT, 65K colors (96 x 96 pixels)
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Z230
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
Z230
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Z230
-
Card slot
Galaxy Watch Ultra2
No
Z230
microSD (dedicated slot)
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Z230
28MB
Phonebook
Galaxy Watch Ultra2
-
Z230
1000 entries
Call records
Galaxy Watch Ultra2
-
Z230
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
No
Z230
-
Loudspeaker
Galaxy Watch Ultra2
Yes
Z230
No
3.5mm jack
Galaxy Watch Ultra2
No
Z230
No
Alert types
Galaxy Watch Ultra2
-
Z230
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Z230
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
Z230
1.2
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Z230
No
NFC
Galaxy Watch Ultra2
Yes
Z230
-
Radio
Galaxy Watch Ultra2
No
Z230
No
USB
Galaxy Watch Ultra2
No
Z230
1.1
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Z230
Messaging
Galaxy Watch Ultra2
-
Z230
SMS, MMS, Email
Browser
Galaxy Watch Ultra2
-
Z230
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
Z230
Yes + downloadable
Java
Galaxy Watch Ultra2
-
Z230
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
Z230
Video telephony & streaming MP3/AAC/AAC+/RA player MSWord/Excel/PPT/PDF viewer Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Z230
Removable Li-Ion 900 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
Z230
-
Stand-by
Galaxy Watch Ultra2
-
Z230
Up to 230 h
Talk time
Galaxy Watch Ultra2
-
Z230
Up to 4 h 30 min
Colors
Galaxy Watch Ultra2
Gray, Green
Z230
Wine Red, Silver
Models
Galaxy Watch Ultra2
SM-L715F
Z230
-
Price
Galaxy Watch Ultra2
About 750 EUR
Z230
-
SAR
Galaxy Watch Ultra2
-
Z230
0.53 W/kg (head) 0.20 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
Z230
0.99 W/kg (head)
Single
Galaxy Watch Ultra2
-
Z230
1.3 MP
Video
Galaxy Watch Ultra2
-
Z230
Yes
Single
Galaxy Watch Ultra2
-
Z230
VGA videocall camera
Video
Galaxy Watch Ultra2
-
Z230