Screen size
Galaxy Watch Ultra21.5"
J600Winner: 1.9"+21%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-5.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
3
equal specs
J600
5
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
J600
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
J600
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
J600
-
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
J600
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
J600
-
GPRS
Galaxy Watch Ultra2
-
J600
Class 10
EDGE
Galaxy Watch Ultra2
-
J600
Class 10
Announced
Galaxy Watch Ultra2
Not announced yet
J600
2007, April
Status
Galaxy Watch Ultra2
Rumored
J600
Discontinued
Dimensions
Galaxy Watch Ultra2
-
J600
97 x 44 x 15 mm (3.82 x 1.73 x 0.59 in)
Weight
Galaxy Watch Ultra2
-
J600
85 g (3.00 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
J600
-
SIM
Galaxy Watch Ultra2
eSIM
J600
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
J600
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
J600
TFT, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
J600
1.9 inches, 11.4 cm2 (~26.6% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
J600
128 x 160 pixels (~108 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
J600
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
J600
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
J600
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
J600
-
Card slot
Galaxy Watch Ultra2
No
J600
microSD (dedicated slot)
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
J600
20MB
Phonebook
Galaxy Watch Ultra2
-
J600
1000 entries, Photocall
Call records
Galaxy Watch Ultra2
-
J600
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
No
J600
-
Loudspeaker
Galaxy Watch Ultra2
Yes
J600
Yes
3.5mm jack
Galaxy Watch Ultra2
No
J600
No
Alert types
Galaxy Watch Ultra2
-
J600
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
J600
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
J600
1.2
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
J600
No
NFC
Galaxy Watch Ultra2
Yes
J600
-
Radio
Galaxy Watch Ultra2
No
J600
FM radio
USB
Galaxy Watch Ultra2
No
J600
Proprietary
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
J600
Messaging
Galaxy Watch Ultra2
-
J600
SMS, MMS, Email, Instant Messaging
Browser
Galaxy Watch Ultra2
-
J600
WAP 2.0 / HTML
Games
Galaxy Watch Ultra2
-
J600
Bobby Carrot, AirShip racing, Arch Angel
Java
Galaxy Watch Ultra2
-
J600
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
J600
MP3/AAC/WAV/MIDI player Predictive text input Voice memo/command Organizer
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
J600
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
J600
-
Stand-by
Galaxy Watch Ultra2
-
J600
Up to 250 h
Talk time
Galaxy Watch Ultra2
-
J600
Up to 3 h
Colors
Galaxy Watch Ultra2
Gray, Green
J600
Blue, Silver, Pink
Models
Galaxy Watch Ultra2
SM-L715F
J600
-
Price
Galaxy Watch Ultra2
About 750 EUR
J600
About 80 EUR
SAR
Galaxy Watch Ultra2
-
J600
0.58 W/kg (head) 0.78 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
J600
0.44 W/kg (head)
Single
Galaxy Watch Ultra2
-
J600
1.3 MP
Video
Galaxy Watch Ultra2
-
J600
Yes
Other
Galaxy Watch Ultra2
-
J600
No