Screen size
Galaxy Watch Ultra21.5"
M610Winner: 1.8"+15%
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
M610
5
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
M610
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
M610
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
M610
-
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
M610
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
M610
-
GPRS
Galaxy Watch Ultra2
-
M610
Class 10
EDGE
Galaxy Watch Ultra2
-
M610
Class 10
Announced
Galaxy Watch Ultra2
Not announced yet
M610
2007, October. Released 2007, November
Status
Galaxy Watch Ultra2
Rumored
M610
Discontinued
Dimensions
Galaxy Watch Ultra2
-
M610
99 x 45 x 17.5 mm (3.90 x 1.77 x 0.69 in)
Weight
Galaxy Watch Ultra2
-
M610
90 g (3.17 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
M610
-
SIM
Galaxy Watch Ultra2
eSIM
M610
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
M610
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
M610
CSTN, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
M610
1.77 inches, 9.9 cm2 (~22.1% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
M610
128 x 160 pixels (~116 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
M610
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
M610
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
M610
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
M610
-
Card slot
Galaxy Watch Ultra2
No
M610
microSD (dedicated slot)
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
M610
5MB
Phonebook
Galaxy Watch Ultra2
-
M610
500 entries
Call records
Galaxy Watch Ultra2
-
M610
30 dialed, 30 received, 30 missed calls
Other
Galaxy Watch Ultra2
No
M610
-
Loudspeaker
Galaxy Watch Ultra2
Yes
M610
Yes
3.5mm jack
Galaxy Watch Ultra2
No
M610
No
Alert types
Galaxy Watch Ultra2
-
M610
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
M610
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
M610
2.0, A2DP
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
M610
No
NFC
Galaxy Watch Ultra2
Yes
M610
-
Radio
Galaxy Watch Ultra2
No
M610
FM radio
USB
Galaxy Watch Ultra2
No
M610
1.1
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
M610
Messaging
Galaxy Watch Ultra2
-
M610
SMS, EMS, MMS
Browser
Galaxy Watch Ultra2
-
M610
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
M610
Yes + downloadable
Java
Galaxy Watch Ultra2
-
M610
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
M610
Video player MP3/AAC/AAC+/eAAC+/WMA player Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
M610
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
M610
-
Stand-by
Galaxy Watch Ultra2
-
M610
Up to 250 h
Talk time
Galaxy Watch Ultra2
-
M610
Up to 5 h
Colors
Galaxy Watch Ultra2
Gray, Green
M610
Black, Blue
Models
Galaxy Watch Ultra2
SM-L715F
M610
-
Price
Galaxy Watch Ultra2
About 750 EUR
M610
About 60 EUR
SAR
Galaxy Watch Ultra2
-
M610
0.37 W/kg (head) 0.53 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
M610
0.32 W/kg (head)
Single
Galaxy Watch Ultra2
-
M610
VGA
Video
Galaxy Watch Ultra2
-
M610
Yes
Other
Galaxy Watch Ultra2
-
M610
No