Screen size
Watch 31.4"
Watch Fit 4Winner: 1.8"+21%
Quick verdict
Watch Fit 4 leads the measured specs 6-4.
Measured wins
Watch 3
4
spec wins
Ties
5
equal specs
Watch Fit 4
6
spec wins
Overall winner
Screen size
Technology
Watch 3
HSPA / LTE
Watch Fit 4
No cellular connectivity
2G bands
Watch 3
N/A
Watch Fit 4
N/A
3G bands
Watch 3
HSDPA 850 / 900 / 1800 / 1900 / 2100 / 800
Watch Fit 4
N/A
4G bands
Watch 3
1, 3, 5, 6, 7, 8, 9, 18, 19, 20, 26, 38, 39, 40, 41
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
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Fit 4
N/A
Speed
Watch 3
HSPA, LTE
Watch Fit 4
No
GPRS
Watch 3
-
Watch Fit 4
No
EDGE
Watch 3
-
Watch Fit 4
No
Announced
Watch 3
2021, June 02
Watch Fit 4
2025, May 15
Status
Watch 3
Available. Released 2021, June 11
Watch Fit 4
Available. Released 2025, May 26
Dimensions
Watch 3
46.2 x 46.2 x 12.2 mm (1.82 x 1.82 x 0.48 in)
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
Watch 3
54 g (1.90 oz)
Watch Fit 4
27 g (0.95 oz)
Build
Watch 3
Glass front, ceramic back, stainless steel frame
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
SIM
Watch 3
eSIM
Watch Fit 4
No
Other
Watch 3
50m water resistant 5 ATM Compatible with standard 22mm straps
Watch Fit 4
5 ATM water resistant
Type
Watch 3
AMOLED
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
Watch 3
1.43 inches
Watch Fit 4
1.82 inches
Resolution
Watch 3
466 x 466 pixels (~326 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
OS
Watch 3
HarmonyOS 2.0, upgradable to 3.0
Watch Fit 4
-
Card slot
Watch 3
No
Watch Fit 4
No
Internal
Watch 3
16GB 2GB RAM
Watch Fit 4
Unspecified
Other
Watch 3
eMMC 5.1
Watch Fit 4
-
Phonebook
Watch 3
-
Watch Fit 4
No
Call records
Watch 3
-
Watch Fit 4
No
Other
Watch 3
No
Watch Fit 4
No
Loudspeaker
Watch 3
Yes
Watch Fit 4
Yes
3.5mm jack
Watch 3
No
Watch Fit 4
No
WLAN
Watch 3
Wi-Fi 802.11 b/g/n (market/region dependent)
Watch Fit 4
No
Bluetooth
Watch 3
5.2, A2DP, LE
Watch Fit 4
5.2, LE
Positioning
Watch 3
GPS, GLONASS, BDS, GALILEO, QZSS
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
NFC
Watch 3
Yes
Watch Fit 4
Yes (gray model only)
Radio
Watch 3
No
Watch Fit 4
No
USB
Watch 3
No
Watch Fit 4
No
Sensors
Watch 3
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature)
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Messaging
Watch 3
-
Watch Fit 4
Email, IM
Games
Watch 3
-
Watch Fit 4
No
Java
Watch 3
-
Watch Fit 4
No
Other
Watch 3
-
Watch Fit 4
Pulse wave arrhythmia analysis
Type
Watch 3
Li-Ion
Watch Fit 4
Li-Ion 400 mAh
Charging
Watch 3
10W wireless
Watch Fit 4
5W wireless
Colors
Watch 3
Black, Silver
Watch Fit 4
Black, Silver
Price
Watch 3
About 200 EUR
Watch Fit 4
$ 121.00 / € 104.76
Models
Watch 3
-
Watch Fit 4
SYA-B19