Screen size
Galaxy Watch91.5"
Z170Winner: 1.8"+18%
Quick verdict
Galaxy Watch9 leads the measured specs 11-7.
Measured wins
Galaxy Watch9
11
spec wins
Overall winner
Ties
2
equal specs
Z170
7
spec wins
Screen size
Technology
Galaxy Watch9
GSM / HSPA / LTE
Z170
GSM / UMTS
2G bands
Galaxy Watch9
GSM 850 / 900 / 1800 / 1900
Z170
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch9
HSDPA 850 / 900 / 2100
Z170
UMTS 2100
4G bands
Galaxy Watch9
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 Watch9
HSPA, LTE
Z170
Yes, 384 kbps
Announced
Galaxy Watch9
Not announced yet
Z170
2007, July
Status
Galaxy Watch9
Rumored
Z170
Discontinued
Dimensions
Galaxy Watch9
-
Z170
117.5 x 48.5 x 9.3 mm (4.63 x 1.91 x 0.37 in)
Weight
Galaxy Watch9
-
Z170
76 g (2.68 oz)
Build
Galaxy Watch9
Glass front (Sapphire crystal), aluminum frame
Z170
-
SIM
Galaxy Watch9
eSIM
Z170
Mini-SIM
Other
Galaxy Watch9
MIL-STD-810H compliant* IP68 dust tight and water resistant (immersible up to 50m/5ATM) ECG certified Blood pressure monitor Armor aluminum 2 frame *does not guarantee ruggedness or use in extreme conditions
Z170
-
Type
Galaxy Watch9
Super AMOLED, 3000 nits (peak)
Z170
TFT, 256K colors
Size
Galaxy Watch9
1.47 inches
Z170
1.8 inches, 10.2 cm2 (~17.9% screen-to-body ratio)
Resolution
Galaxy Watch9
480 x 480 pixels (~327 ppi density)
Z170
176 x 220 pixels (~157 ppi density)
Protection
Galaxy Watch9
Sapphire crystal
Z170
-
OS
Galaxy Watch9
Android Wear OS 6, One UI Watch 9
Z170
-
Chipset
Galaxy Watch9
Snapdragon SW6100 Wear Elite (3 nm)
Z170
-
CPU
Galaxy Watch9
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Z170
-
Card slot
Galaxy Watch9
No
Z170
microSD (dedicated slot)
Internal
Galaxy Watch9
32GB 2GB RAM
Z170
55MB
Phonebook
Galaxy Watch9
-
Z170
1000 entries, Photocall
Call records
Galaxy Watch9
-
Z170
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch9
No
Z170
-
Loudspeaker
Galaxy Watch9
Yes
Z170
Yes
3.5mm jack
Galaxy Watch9
No
Z170
No
Alert types
Galaxy Watch9
-
Z170
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch9
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Z170
No
Bluetooth
Galaxy Watch9
6.0, A2DP, LE
Z170
1.2, A2DP
Positioning
Galaxy Watch9
GPS (L1+L5), GLONASS, GALILEO, BDS
Z170
No
NFC
Galaxy Watch9
Yes
Z170
-
Radio
Galaxy Watch9
No
Z170
No
USB
Galaxy Watch9
No
Z170
1.1
Sensors
Galaxy Watch9
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Z170
Messaging
Galaxy Watch9
-
Z170
SMS, EMS, MMS, Email
Browser
Galaxy Watch9
-
Z170
WAP 2.0/xHTML, HTML(NetFront 3.4)
Games
Galaxy Watch9
-
Z170
Yes + downloadable
Java
Galaxy Watch9
-
Z170
Yes, MIDP 2.0
Other
Galaxy Watch9
-
Z170
MP3/AAC/AAC+/e-AAC+ player Predictive text input Organizer Voice memo
Type
Galaxy Watch9
Li-Ion 445 mAh
Z170
Removable Li-Po 880 mAh battery
Charging
Galaxy Watch9
10W wireless
Z170
-
Stand-by
Galaxy Watch9
-
Z170
Up to 250 h
Talk time
Galaxy Watch9
-
Z170
Up to 3 h
Colors
Galaxy Watch9
Silver; other colors
Z170
Black
SAR
Galaxy Watch9
-
Z170
0.71 W/kg (head) 0.82 W/kg (body)
SAR EU
Galaxy Watch9
-
Z170
0.31 W/kg (head)
Price
Galaxy Watch9
-
Z170
About 80 EUR
Single
Galaxy Watch9
-
Z170
1.3 MP
Video
Galaxy Watch9
-
Z170
QCIF
Single
Galaxy Watch9
-
Z170
VGA videocall camera
Video
Galaxy Watch9
-
Z170