Screen size
B100Winner: 1.5"+1.3%
Galaxy Watch Ultra21.5"
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-4.
Measured wins
B100
4
spec wins
Ties
3
equal specs
Galaxy Watch Ultra2
11
spec wins
Overall winner
Screen size
Technology
B100
GSM
Galaxy Watch Ultra2
GSM / HSPA / LTE
2G bands
B100
GSM 900 / 1800
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
GPRS
B100
Class 10
Galaxy Watch Ultra2
-
EDGE
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No
Galaxy Watch Ultra2
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
equal specsStereo speakers
-
3G bands
B100
-
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
B100
-
Galaxy Watch Ultra2
LTE
Speed
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-
Galaxy Watch Ultra2
HSPA, LTE
Announced
B100
2008, January. Released 2008, June
Galaxy Watch Ultra2
Not announced yet
Status
B100
Discontinued
Galaxy Watch Ultra2
Rumored
Dimensions
B100
104 x 44 x 16.3 mm (4.09 x 1.73 x 0.64 in)
Galaxy Watch Ultra2
-
Weight
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78 g (2.75 oz)
Galaxy Watch Ultra2
-
SIM
B100
Mini-SIM
Galaxy Watch Ultra2
eSIM
Build
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-
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Other
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-
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Type
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CSTN, 65K colors
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Size
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1.52 inches, 7.5 cm2 (~16.3% screen-to-body ratio)
Galaxy Watch Ultra2
1.5 inches
Resolution
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128 x 128 pixels, 1:1 ratio (~119 ppi density)
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Protection
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-
Galaxy Watch Ultra2
Sapphire crystal glass
Card slot
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No
Galaxy Watch Ultra2
No
Phonebook
B100
Yes
Galaxy Watch Ultra2
-
Call records
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30 dialed, 30 received, 30 missed calls
Galaxy Watch Ultra2
-
Internal
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2MB
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Other
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No
Galaxy Watch Ultra2
No
Loudspeaker
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Yes
Galaxy Watch Ultra2
Yes
Alert types
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Vibration; Downloadable polyphonic, MP3 ringtones
Galaxy Watch Ultra2
-
3.5mm jack
B100
No
Galaxy Watch Ultra2
No
WLAN
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No
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
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No
Galaxy Watch Ultra2
6.0, A2DP, LE
Positioning
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No
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Radio
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No
Galaxy Watch Ultra2
No
USB
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No
Galaxy Watch Ultra2
No
NFC
B100
-
Galaxy Watch Ultra2
Yes
Sensors
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Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Messaging
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SMS, EMS, MMS
Galaxy Watch Ultra2
-
Browser
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No
Galaxy Watch Ultra2
-
Games
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Yes
Galaxy Watch Ultra2
-
Java
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Yes, MIDP 2.0
Galaxy Watch Ultra2
-
Other
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Voice memo vCalendar Calculator World time Mobile Tracker SOS message Predictive text input
Galaxy Watch Ultra2
-
Type
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Removable Li-Ion 1000 mAh battery
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Stand-by
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Up to 450 h
Galaxy Watch Ultra2
-
Talk time
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Up to 9 h
Galaxy Watch Ultra2
-
Charging
B100
-
Galaxy Watch Ultra2
10W wireless
Colors
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Black
Galaxy Watch Ultra2
Gray, Green
SAR EU
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0.91 W/kg (head)
Galaxy Watch Ultra2
-
Price
B100
About 70 EUR
Galaxy Watch Ultra2
About 750 EUR
Models
B100
-
Galaxy Watch Ultra2
SM-L715F
OS
B100
-
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Chipset
B100
-
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
CPU
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-
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)