Screen size
B2100 XplorerWinner: 1.8"+15%
Galaxy Watch Ultra21.5"
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-7.
Measured wins
B2100 Xplorer
7
spec wins
Ties
2
equal specs
Galaxy Watch Ultra2
11
spec wins
Overall winner
Screen size
Technology
B2100 Xplorer
GSM
Galaxy Watch Ultra2
GSM / HSPA / LTE
2G bands
B2100 Xplorer
GSM 850 / 900 / 1800 / 1900
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
GPRS
B2100 Xplorer
Class 10
Galaxy Watch Ultra2
-
EDGE
B2100 Xplorer
Class 10
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
Galaxy Watch Ultra2
-
3G bands
B2100 Xplorer
-
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
B2100 Xplorer
-
Galaxy Watch Ultra2
LTE
Speed
B2100 Xplorer
-
Galaxy Watch Ultra2
HSPA, LTE
Announced
B2100 Xplorer
2009, March. Released 2009, April
Galaxy Watch Ultra2
Not announced yet
Status
B2100 Xplorer
Discontinued
Galaxy Watch Ultra2
Rumored
Dimensions
B2100 Xplorer
113 x 48.9 x 17.4 mm (4.45 x 1.93 x 0.69 in)
Galaxy Watch Ultra2
-
Weight
B2100 Xplorer
102.8 g (3.60 oz)
Galaxy Watch Ultra2
-
SIM
B2100 Xplorer
Mini-SIM
Galaxy Watch Ultra2
eSIM
Other
B2100 Xplorer
MIL-STD-810F compliant salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant IP57 dust/water resistant (up to 1m for 30 min) Anti-shock materials (urethane) Flashlight
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Build
B2100 Xplorer
-
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Type
B2100 Xplorer
TFT, 256K colors
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Size
B2100 Xplorer
1.77 inches, 9.7 cm2 (~17.6% screen-to-body ratio)
Galaxy Watch Ultra2
1.5 inches
Resolution
B2100 Xplorer
120 x 160 pixels, 4:3 ratio (~113 ppi density)
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Other
B2100 Xplorer
Wallpapers
Galaxy Watch Ultra2
-
Protection
B2100 Xplorer
-
Galaxy Watch Ultra2
Sapphire crystal glass
Card slot
B2100 Xplorer
microSDHC (dedicated slot)
Galaxy Watch Ultra2
No
Phonebook
B2100 Xplorer
1000 entries
Galaxy Watch Ultra2
-
Call records
B2100 Xplorer
Yes
Galaxy Watch Ultra2
-
Internal
B2100 Xplorer
7MB
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Single
B2100 Xplorer
1.3 MP
Galaxy Watch Ultra2
-
Features
B2100 Xplorer
flash
Galaxy Watch Ultra2
-
Video
B2100 Xplorer
@15fps
Galaxy Watch Ultra2
-
Other
B2100 Xplorer
No
Galaxy Watch Ultra2
-
Loudspeaker
B2100 Xplorer
Yes
Galaxy Watch Ultra2
Yes
3.5mm jack
B2100 Xplorer
No
Galaxy Watch Ultra2
No
WLAN
B2100 Xplorer
No
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
B2100 Xplorer
2.1, A2DP
Galaxy Watch Ultra2
6.0, A2DP, LE
Positioning
B2100 Xplorer
No
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Radio
B2100 Xplorer
Stereo FM radio, RDS
Galaxy Watch Ultra2
No
USB
B2100 Xplorer
2.0
Galaxy Watch Ultra2
No
NFC
B2100 Xplorer
-
Galaxy Watch Ultra2
Yes
Sensors
B2100 Xplorer
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Messaging
B2100 Xplorer
SMS, MMS
Galaxy Watch Ultra2
-
Browser
B2100 Xplorer
WAP 2.0/xHTML
Galaxy Watch Ultra2
-
Games
B2100 Xplorer
Yes + downloadable
Galaxy Watch Ultra2
-
Java
B2100 Xplorer
Yes, MIDP 2.0
Galaxy Watch Ultra2
-
Other
B2100 Xplorer
Stopwatch MP3/eAAC+/WMA/WAV player MP4/3GP/M4V player Voice memo Predictive text input
Galaxy Watch Ultra2
-
Type
B2100 Xplorer
Removable Li-Ion 1000 mAh battery
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Stand-by
B2100 Xplorer
Up to 600 h
Galaxy Watch Ultra2
-
Talk time
B2100 Xplorer
Up to 9 h
Galaxy Watch Ultra2
-
Charging
B2100 Xplorer
-
Galaxy Watch Ultra2
10W wireless
Colors
B2100 Xplorer
Red, Black
Galaxy Watch Ultra2
Gray, Green
SAR
B2100 Xplorer
0.54 W/kg (head) 0.42 W/kg (body)
Galaxy Watch Ultra2
-
SAR EU
B2100 Xplorer
0.72 W/kg (head)
Galaxy Watch Ultra2
-
Price
B2100 Xplorer
About 80 EUR
Galaxy Watch Ultra2
About 750 EUR
Models
B2100 Xplorer
-
Galaxy Watch Ultra2
SM-L715F
OS
B2100 Xplorer
-
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Chipset
B2100 Xplorer
-
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
CPU
B2100 Xplorer
-
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Other
B2100 Xplorer
-
Galaxy Watch Ultra2
No