Screen size
equal specsGalaxy Watch81.5"
Galaxy Watch91.5"
Quick verdict
Galaxy Watch9 leads the measured specs 5-2.
Measured wins
Galaxy Watch8
2
spec wins
Ties
11
equal specs
Galaxy Watch9
5
spec wins
Overall winner
Screen size
equal specsTechnology
Galaxy Watch8
GSM / HSPA / LTE
Galaxy Watch9
GSM / HSPA / LTE
2G bands
Galaxy Watch8
GSM 850 / 900 / 1800 / 1900
Galaxy Watch9
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Watch8
HSDPA 850 / 900 / 2100
Galaxy Watch9
HSDPA 850 / 900 / 2100
4G bands
Galaxy Watch8
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71
Resolution
equal specsRefresh rate
Peak brightness
equal specsPixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Galaxy Watch9
LTE
Speed
Galaxy Watch8
HSPA, LTE
Galaxy Watch9
HSPA, LTE
Announced
Galaxy Watch8
2025, July 09
Galaxy Watch9
Not announced yet
Status
Galaxy Watch8
Available. Released 2025, July 25
Galaxy Watch9
Rumored
Dimensions
Galaxy Watch8
46 x 43.7 x 8.6 mm (1.81 x 1.72 x 0.34 in)
Galaxy Watch9
-
Weight
Galaxy Watch8
34 g (44mm), 30 g (40mm) (1.06 oz)
Galaxy Watch9
-
Build
Galaxy Watch8
Glass front (Sapphire crystal), aluminum frame
Galaxy Watch9
Glass front (Sapphire crystal), aluminum frame
SIM
Galaxy Watch8
eSIM
Galaxy Watch9
eSIM
Other
Galaxy Watch8
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
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
Type
Galaxy Watch8
Super AMOLED, 3000 nits (peak)
Galaxy Watch9
Super AMOLED, 3000 nits (peak)
Size
Galaxy Watch8
1.47 inches
Galaxy Watch9
1.47 inches
Resolution
Galaxy Watch8
480 x 480 pixels (~327 ppi density)
Galaxy Watch9
480 x 480 pixels (~327 ppi density)
Protection
Galaxy Watch8
Sapphire crystal
Galaxy Watch9
Sapphire crystal
OS
Galaxy Watch8
Android Wear OS 6, One UI 8 Watch
Galaxy Watch9
Android Wear OS 6, One UI Watch 9
Chipset
Galaxy Watch8
Exynos W1000 (3 nm)
Galaxy Watch9
Snapdragon SW6100 Wear Elite (3 nm)
CPU
Galaxy Watch8
Penta-core
Galaxy Watch9
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
GPU
Galaxy Watch8
Mali-G68
Galaxy Watch9
-
Card slot
Galaxy Watch8
No
Galaxy Watch9
No
Internal
Galaxy Watch8
32GB 2GB RAM
Galaxy Watch9
32GB 2GB RAM
Other
Galaxy Watch8
No
Galaxy Watch9
No
Loudspeaker
Galaxy Watch8
Yes
Galaxy Watch9
Yes
3.5mm jack
Galaxy Watch8
No
Galaxy Watch9
No
WLAN
Galaxy Watch8
Wi-Fi 802.11 a/b/g/n, dual-band
Galaxy Watch9
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Galaxy Watch8
5.3, A2DP, LE
Galaxy Watch9
6.0, A2DP, LE
Positioning
Galaxy Watch8
GPS (L1+L5), GLONASS, GALILEO, BDS
Galaxy Watch9
GPS (L1+L5), GLONASS, GALILEO, BDS
NFC
Galaxy Watch8
Yes
Galaxy Watch9
Yes
Radio
Galaxy Watch8
No
Galaxy Watch9
No
USB
Galaxy Watch8
No
Galaxy Watch9
No
Sensors
Galaxy Watch8
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Galaxy Watch9
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Type
Galaxy Watch8
Li-Ion 435 mAh
Galaxy Watch9
Li-Ion 445 mAh
Charging
Galaxy Watch8
10W wireless
Galaxy Watch9
10W wireless
Colors
Galaxy Watch8
Graphite, Silver
Galaxy Watch9
Silver; other colors
Models
Galaxy Watch8
SM-L320, SM-L325, SM-L330, SM-L335, SM-L325U, SM-L335U
Galaxy Watch9
-
SAR EU
Galaxy Watch8
0.15 W/kg (head) 0.78 W/kg (body)
Galaxy Watch9
-
Price
Galaxy Watch8
$ 299.99 / € 234.99
Galaxy Watch9
-