Screen size
Galaxy Watch Ultra21.5"
M600Winner: 1.8"+16%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-3.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
4
equal specs
M600
3
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
M600
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
M600
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
M600
-
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
equal specsStereo speakers
M600
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
M600
-
GPRS
Galaxy Watch Ultra2
-
M600
Class 10
EDGE
Galaxy Watch Ultra2
-
M600
No
Announced
Galaxy Watch Ultra2
Not announced yet
M600
2007, Q3
Status
Galaxy Watch Ultra2
Rumored
M600
Discontinued
Dimensions
Galaxy Watch Ultra2
-
M600
92 x 46 x 15.2 mm (3.62 x 1.81 x 0.60 in)
Weight
Galaxy Watch Ultra2
-
M600
79 g (2.79 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
M600
-
SIM
Galaxy Watch Ultra2
eSIM
M600
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
M600
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
M600
TFT, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
M600
1.78 inches, 9.8 cm2 (~23.2% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
M600
120 x 160 pixels, 4:3 ratio (~112 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
M600
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
M600
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
M600
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
M600
-
Card slot
Galaxy Watch Ultra2
No
M600
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
M600
1.5MB
Phonebook
Galaxy Watch Ultra2
-
M600
500 entries, Photocall
Call records
Galaxy Watch Ultra2
-
M600
30 dialed, 30 received, 30 missed calls
Other
Galaxy Watch Ultra2
No
M600
-
Loudspeaker
Galaxy Watch Ultra2
Yes
M600
Yes
3.5mm jack
Galaxy Watch Ultra2
No
M600
No
Alert types
Galaxy Watch Ultra2
-
M600
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
M600
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
M600
No
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
M600
No
NFC
Galaxy Watch Ultra2
Yes
M600
-
Radio
Galaxy Watch Ultra2
No
M600
FM radio
USB
Galaxy Watch Ultra2
No
M600
No
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
M600
Messaging
Galaxy Watch Ultra2
-
M600
SMS, EMS, MMS
Browser
Galaxy Watch Ultra2
-
M600
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
M600
Yes + downloadable
Java
Galaxy Watch Ultra2
-
M600
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
M600
Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
M600
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
M600
-
Stand-by
Galaxy Watch Ultra2
-
M600
Up to 220 h
Talk time
Galaxy Watch Ultra2
-
M600
Up to 2 h 30 min
Colors
Galaxy Watch Ultra2
Gray, Green
M600
Black
Models
Galaxy Watch Ultra2
SM-L715F
M600
-
Price
Galaxy Watch Ultra2
About 750 EUR
M600
About 70 EUR
SAR
Galaxy Watch Ultra2
-
M600
0.32 W/kg (head) 0.47 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
M600
0.51 W/kg (head)
Single
Galaxy Watch Ultra2
-
M600
VGA
Video
Galaxy Watch Ultra2
-
M600
No
Other
Galaxy Watch Ultra2
-
M600
No