Screen size
Galaxy Watch Ultra21.5"
Z170Winner: 1.8"+17%
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
Z170
7
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
Z170
GSM / UMTS
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
Z170
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z170
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
Z170
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
Z170
Yes, 384 kbps
Announced
Galaxy Watch Ultra2
Not announced yet
Z170
2007, July
Status
Galaxy Watch Ultra2
Rumored
Z170
Discontinued
Dimensions
Galaxy Watch Ultra2
-
Z170
117.5 x 48.5 x 9.3 mm (4.63 x 1.91 x 0.37 in)
Weight
Galaxy Watch Ultra2
-
Z170
76 g (2.68 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Z170
-
SIM
Galaxy Watch Ultra2
eSIM
Z170
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
Z170
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Z170
TFT, 256K colors
Size
Galaxy Watch Ultra2
1.5 inches
Z170
1.8 inches, 10.2 cm2 (~17.9% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Z170
176 x 220 pixels (~157 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
Z170
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Z170
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
Z170
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Z170
-
Card slot
Galaxy Watch Ultra2
No
Z170
microSD (dedicated slot)
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Z170
55MB
Phonebook
Galaxy Watch Ultra2
-
Z170
1000 entries, Photocall
Call records
Galaxy Watch Ultra2
-
Z170
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
No
Z170
-
Loudspeaker
Galaxy Watch Ultra2
Yes
Z170
Yes
3.5mm jack
Galaxy Watch Ultra2
No
Z170
No
Alert types
Galaxy Watch Ultra2
-
Z170
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Z170
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
Z170
1.2, A2DP
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Z170
No
NFC
Galaxy Watch Ultra2
Yes
Z170
-
Radio
Galaxy Watch Ultra2
No
Z170
No
USB
Galaxy Watch Ultra2
No
Z170
1.1
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Z170
Messaging
Galaxy Watch Ultra2
-
Z170
SMS, EMS, MMS, Email
Browser
Galaxy Watch Ultra2
-
Z170
WAP 2.0/xHTML, HTML(NetFront 3.4)
Games
Galaxy Watch Ultra2
-
Z170
Yes + downloadable
Java
Galaxy Watch Ultra2
-
Z170
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
Z170
MP3/AAC/AAC+/e-AAC+ player Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Z170
Removable Li-Po 880 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
Z170
-
Stand-by
Galaxy Watch Ultra2
-
Z170
Up to 250 h
Talk time
Galaxy Watch Ultra2
-
Z170
Up to 3 h
Colors
Galaxy Watch Ultra2
Gray, Green
Z170
Black
Models
Galaxy Watch Ultra2
SM-L715F
Z170
-
Price
Galaxy Watch Ultra2
About 750 EUR
Z170
About 80 EUR
SAR
Galaxy Watch Ultra2
-
Z170
0.71 W/kg (head) 0.82 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
Z170
0.31 W/kg (head)
Single
Galaxy Watch Ultra2
-
Z170
1.3 MP
Video
Galaxy Watch Ultra2
-
Z170
QCIF
Single
Galaxy Watch Ultra2
-
Z170
VGA videocall camera
Video
Galaxy Watch Ultra2
-
Z170