Screen size
Galaxy Watch4 Classic1.4"
Galaxy Watch9Winner: 1.5"+4.8%
Quick verdict
Galaxy Watch9 leads the measured specs 11-2.
Measured wins
Galaxy Watch4 Classic
2
spec wins
Ties
5
equal specs
Galaxy Watch9
11
spec wins
Overall winner
Screen size
Technology
Galaxy Watch4 Classic
GSM / HSPA / LTE
Galaxy Watch9
GSM / HSPA / LTE
2G bands
Galaxy Watch4 Classic
GSM 850 / 900 / 1800 / 1900
Galaxy Watch9
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Watch4 Classic
HSDPA 850 / 900 / 2100
Galaxy Watch9
HSDPA 850 / 900 / 2100
4G bands
Galaxy Watch4 Classic
1, 3, 5, 7, 8, 20
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
Galaxy Watch9
LTE
Speed
Galaxy Watch4 Classic
HSPA, LTE
Galaxy Watch9
HSPA, LTE
Announced
Galaxy Watch4 Classic
2021, August 11
Galaxy Watch9
Not announced yet
Status
Galaxy Watch4 Classic
Available. Released 2021, August 27
Galaxy Watch9
Rumored
Dimensions
Galaxy Watch4 Classic
45.5 x 45.5 x 11 mm (1.79 x 1.79 x 0.43 in)
Galaxy Watch9
-
Weight
Galaxy Watch4 Classic
52 g (46mm), 46.5 g (42mm) (1.66 oz)
Galaxy Watch9
-
Build
Galaxy Watch4 Classic
Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame
Galaxy Watch9
Glass front (Sapphire crystal), aluminum frame
SIM
Galaxy Watch4 Classic
eSIM
Galaxy Watch9
eSIM
Other
Galaxy Watch4 Classic
MIL-STD-810G compliant* IP68 dust tight and water resistant (immersible up to 50m) Compatible with standard 20mm straps ECG certified Blood pressure monitor Rotating bezel *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 Watch4 Classic
Super AMOLED
Galaxy Watch9
Super AMOLED, 3000 nits (peak)
Size
Galaxy Watch4 Classic
1.4 inches
Galaxy Watch9
1.47 inches
Resolution
Galaxy Watch4 Classic
450 x 450 pixels (~321 ppi density)
Galaxy Watch9
480 x 480 pixels (~327 ppi density)
Protection
Galaxy Watch4 Classic
Corning Gorilla Glass DX
Galaxy Watch9
Sapphire crystal
OS
Galaxy Watch4 Classic
Android Wear OS 4, upgradable to 6.0, One UI Watch 8
Galaxy Watch9
Android Wear OS 6, One UI Watch 9
Chipset
Galaxy Watch4 Classic
Exynos W920 (5 nm)
Galaxy Watch9
Snapdragon SW6100 Wear Elite (3 nm)
CPU
Galaxy Watch4 Classic
Dual-core 1.18 GHz Cortex-A55
Galaxy Watch9
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
GPU
Galaxy Watch4 Classic
Mali-G68
Galaxy Watch9
-
Card slot
Galaxy Watch4 Classic
No
Galaxy Watch9
No
Internal
Galaxy Watch4 Classic
16GB 1.5GB RAM
Galaxy Watch9
32GB 2GB RAM
Other
Galaxy Watch4 Classic
No
Galaxy Watch9
No
Loudspeaker
Galaxy Watch4 Classic
Yes
Galaxy Watch9
Yes
3.5mm jack
Galaxy Watch4 Classic
No
Galaxy Watch9
No
WLAN
Galaxy Watch4 Classic
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 Watch4 Classic
5.0, A2DP, LE
Galaxy Watch9
6.0, A2DP, LE
Positioning
Galaxy Watch4 Classic
GPS, GLONASS, GALILEO, BDS
Galaxy Watch9
GPS (L1+L5), GLONASS, GALILEO, BDS
NFC
Galaxy Watch4 Classic
Yes
Galaxy Watch9
Yes
Radio
Galaxy Watch4 Classic
No
Galaxy Watch9
No
USB
Galaxy Watch4 Classic
No
Galaxy Watch9
No
Sensors
Galaxy Watch4 Classic
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Galaxy Watch9
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Type
Galaxy Watch4 Classic
Li-Ion 361 mAh
Galaxy Watch9
Li-Ion 445 mAh
Charging
Galaxy Watch4 Classic
Wireless
Galaxy Watch9
10W wireless
Colors
Galaxy Watch4 Classic
Black, Silver, Thom Browne Edition, Bespoke Edition
Galaxy Watch9
Silver; other colors
Models
Galaxy Watch4 Classic
SM-R880, SM-R890
Galaxy Watch9
-
Price
Galaxy Watch4 Classic
About 90 EUR
Galaxy Watch9
-