Screen size
Galaxy Watch9Winner: 1.5"+18%
Gear S2 classic1.2"
Quick verdict
Galaxy Watch9 leads the measured specs 11-2.
Measured wins
Galaxy Watch9
11
spec wins
Overall winner
Ties
5
equal specs
Gear S2 classic
2
spec wins
Screen size
Technology
Galaxy Watch9
GSM / HSPA / LTE
Gear S2 classic
No cellular connectivity
2G bands
Galaxy Watch9
GSM 850 / 900 / 1800 / 1900
Gear S2 classic
N/A
3G bands
Galaxy Watch9
HSDPA 850 / 900 / 2100
Gear S2 classic
-
4G bands
Galaxy Watch9
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 Watch9
HSPA, LTE
Gear S2 classic
-
GPRS
Galaxy Watch9
-
Gear S2 classic
No
EDGE
Galaxy Watch9
-
Gear S2 classic
No
Announced
Galaxy Watch9
Not announced yet
Gear S2 classic
2015, August. Released 2015, October
Status
Galaxy Watch9
Rumored
Gear S2 classic
Discontinued
Dimensions
Galaxy Watch9
-
Gear S2 classic
43.6 x 39.9 x 11.4 mm (1.72 x 1.57 x 0.45 in)
Weight
Galaxy Watch9
-
Gear S2 classic
42 g (1.48 oz)
Build
Galaxy Watch9
Glass front (Sapphire crystal), aluminum frame
Gear S2 classic
Glass front (Gorilla Glass 3), stainless steel frame
SIM
Galaxy Watch9
eSIM
Gear S2 classic
No
Other
Galaxy Watch9
MIL-STD-810H compliant* IP68 dust tight and water resistant (immersible up to 50m/5ATM) ECG certified Blood pressure monitor Armor aluminum 2 frame *does not guarantee ruggedness or use in extreme conditions
Gear S2 classic
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Compatible with standard 20mm straps
Type
Galaxy Watch9
Super AMOLED, 3000 nits (peak)
Gear S2 classic
Super AMOLED
Size
Galaxy Watch9
1.47 inches
Gear S2 classic
1.2 inches
Resolution
Galaxy Watch9
480 x 480 pixels (~327 ppi density)
Gear S2 classic
360 x 360 pixels (~302 ppi density)
Protection
Galaxy Watch9
Sapphire crystal
Gear S2 classic
Corning Gorilla Glass 3
Other
Galaxy Watch9
-
Gear S2 classic
Rotating bezel
OS
Galaxy Watch9
Android Wear OS 6, One UI Watch 9
Gear S2 classic
Tizen OS 2.3.2
Chipset
Galaxy Watch9
Snapdragon SW6100 Wear Elite (3 nm)
Gear S2 classic
Exynos 3250 Dual
CPU
Galaxy Watch9
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Gear S2 classic
Dual-core 1.0 GHz Cortex-A7
GPU
Galaxy Watch9
-
Gear S2 classic
Mali-400MP2
Card slot
Galaxy Watch9
No
Gear S2 classic
No
Internal
Galaxy Watch9
32GB 2GB RAM
Gear S2 classic
4GB 512MB RAM
Other
Galaxy Watch9
No
Gear S2 classic
No
Loudspeaker
Galaxy Watch9
Yes
Gear S2 classic
No
3.5mm jack
Galaxy Watch9
No
Gear S2 classic
No
WLAN
Galaxy Watch9
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Gear S2 classic
Wi-Fi 802.11 b/g/n
Bluetooth
Galaxy Watch9
6.0, A2DP, LE
Gear S2 classic
4.1, A2DP, LE
Positioning
Galaxy Watch9
GPS (L1+L5), GLONASS, GALILEO, BDS
Gear S2 classic
No
NFC
Galaxy Watch9
Yes
Gear S2 classic
Yes
Radio
Galaxy Watch9
No
Gear S2 classic
No
USB
Galaxy Watch9
No
Gear S2 classic
No
Sensors
Galaxy Watch9
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Gear S2 classic
Accelerometer, gyro, heart rate, barometer
Other
Galaxy Watch9
-
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 Watch9
Li-Ion 445 mAh
Gear S2 classic
Li-Ion 250 mAh, non-removable
Charging
Galaxy Watch9
10W wireless
Gear S2 classic
Wireless (Qi)
Stand-by
Galaxy Watch9
-
Gear S2 classic
Up to 48 h (3G)
Colors
Galaxy Watch9
Silver; other colors
Gear S2 classic
Black, 18K rose gold, Platinum, ceramic bracelet
Models
Galaxy Watch9
-
Gear S2 classic
SM-R720, SM-R732
Price
Galaxy Watch9
-
Gear S2 classic
About 200 EUR