Screen size
Galaxy Watch Ultra2Winner: 1.5"+20%
Gear S2 classic1.2"
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-2.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
5
equal specs
Gear S2 classic
2
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
Gear S2 classic
No cellular connectivity
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
Gear S2 classic
N/A
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Gear S2 classic
-
4G bands
Galaxy Watch Ultra2
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Gear S2 classic
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
Gear S2 classic
-
GPRS
Galaxy Watch Ultra2
-
Gear S2 classic
No
EDGE
Galaxy Watch Ultra2
-
Gear S2 classic
No
Announced
Galaxy Watch Ultra2
Not announced yet
Gear S2 classic
2015, August. Released 2015, October
Status
Galaxy Watch Ultra2
Rumored
Gear S2 classic
Discontinued
Dimensions
Galaxy Watch Ultra2
-
Gear S2 classic
43.6 x 39.9 x 11.4 mm (1.72 x 1.57 x 0.45 in)
Weight
Galaxy Watch Ultra2
-
Gear S2 classic
42 g (1.48 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Gear S2 classic
Glass front (Gorilla Glass 3), stainless steel frame
SIM
Galaxy Watch Ultra2
eSIM
Gear S2 classic
No
Other
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Gear S2 classic
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Compatible with standard 20mm straps
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Gear S2 classic
Super AMOLED
Size
Galaxy Watch Ultra2
1.5 inches
Gear S2 classic
1.2 inches
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Gear S2 classic
360 x 360 pixels (~302 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
Gear S2 classic
Corning Gorilla Glass 3
Other
Galaxy Watch Ultra2
-
Gear S2 classic
Rotating bezel
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Gear S2 classic
Tizen OS 2.3.2
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
Gear S2 classic
Exynos 3250 Dual
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Gear S2 classic
Dual-core 1.0 GHz Cortex-A7
GPU
Galaxy Watch Ultra2
-
Gear S2 classic
Mali-400MP2
Card slot
Galaxy Watch Ultra2
No
Gear S2 classic
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Gear S2 classic
4GB 512MB RAM
Other
Galaxy Watch Ultra2
No
Gear S2 classic
No
Loudspeaker
Galaxy Watch Ultra2
Yes
Gear S2 classic
No
3.5mm jack
Galaxy Watch Ultra2
No
Gear S2 classic
No
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Gear S2 classic
Wi-Fi 802.11 b/g/n
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
Gear S2 classic
4.1, A2DP, LE
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Gear S2 classic
No
NFC
Galaxy Watch Ultra2
Yes
Gear S2 classic
Yes
Radio
Galaxy Watch Ultra2
No
Gear S2 classic
No
USB
Galaxy Watch Ultra2
No
Gear S2 classic
No
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Gear S2 classic
Accelerometer, gyro, heart rate, barometer
Other
Galaxy Watch Ultra2
-
Gear S2 classic
S-Voice natural language commands and dictation MP3/M4A/AAC/WAV player Photo viewer Voice memo/dial/commands Samsung Pay
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Gear S2 classic
Li-Ion 250 mAh, non-removable
Charging
Galaxy Watch Ultra2
10W wireless
Gear S2 classic
Wireless (Qi)
Stand-by
Galaxy Watch Ultra2
-
Gear S2 classic
Up to 48 h (3G)
Colors
Galaxy Watch Ultra2
Gray, Green
Gear S2 classic
Black, 18K rose gold, Platinum, ceramic bracelet
Models
Galaxy Watch Ultra2
SM-L715F
Gear S2 classic
SM-R720, SM-R732
Price
Galaxy Watch Ultra2
About 750 EUR
Gear S2 classic
About 200 EUR