Screen size
Children's Watch 4X1.4"
Watch Buds 2Winner: 1.5"+6%
Quick verdict
Children's Watch 4X and Watch Buds 2 are close on the measured specs.
Measured wins
Children's Watch 4X
6
spec wins
Ties
5
equal specs
Watch Buds 2
6
spec wins
Screen size
Technology
Children's Watch 4X
GSM / HSPA / LTE
Watch Buds 2
No cellular connectivity
2G bands
Children's Watch 4X
GSM 900 / 1800
Watch Buds 2
N/A
3G bands
Children's Watch 4X
HSDPA 2100
Watch Buds 2
N/A
4G bands
Children's Watch 4X
1, 3, 7, 8, 38, 40 - Europe, Central Asia, 2, 5, 7, 41 - North America, 2, 3, 5, 7, 38, 41 - LATAM, 1, 3, 5, 7, 8, 38, 40 - Asia Pacific
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Buds 2
N/A
Speed
Children's Watch 4X
HSPA, LTE
Watch Buds 2
No
GPRS
Children's Watch 4X
-
Watch Buds 2
No
EDGE
Children's Watch 4X
-
Watch Buds 2
No
Announced
Children's Watch 4X
2020, July 30. Released 2020, August 20
Watch Buds 2
2026, April 20
Status
Children's Watch 4X
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
Children's Watch 4X
53 x 45.7 x 14.7 mm (2.09 x 1.80 x 0.58 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
Children's Watch 4X
67.7 g (2.40 oz)
Watch Buds 2
54.5 g (1.90 oz)
SIM
Children's Watch 4X
Nano-SIM
Watch Buds 2
No
Other
Children's Watch 4X
5ATM water resistant 50m water resistant
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Build
Children's Watch 4X
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Type
Children's Watch 4X
AMOLED
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
Children's Watch 4X
1.41 inches
Watch Buds 2
1.5 inches
Resolution
Children's Watch 4X
320 x 360 pixels (~342 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
OS
Children's Watch 4X
Proprietary OS
Watch Buds 2
HarmonyOS
Card slot
Children's Watch 4X
No
Watch Buds 2
No
Internal
Children's Watch 4X
16GB 1GB RAM
Watch Buds 2
-
Other
Children's Watch 4X
eMMC 4.5
Watch Buds 2
-
Single
Children's Watch 4X
8 MP, f/2.0, 23mm (wide), AF
Watch Buds 2
-
Video
Children's Watch 4X
Watch Buds 2
-
Single
Children's Watch 4X
5 MP, f/2.2, (wide)
Watch Buds 2
-
Video
Children's Watch 4X
Watch Buds 2
-
Loudspeaker
Children's Watch 4X
Yes
Watch Buds 2
No
3.5mm jack
Children's Watch 4X
No
Watch Buds 2
No
WLAN
Children's Watch 4X
Yes
Watch Buds 2
No
Bluetooth
Children's Watch 4X
Yes
Watch Buds 2
5.2, A2DP, LE
Positioning
Children's Watch 4X
GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
NFC
Children's Watch 4X
Yes
Watch Buds 2
Yes
Radio
Children's Watch 4X
No
Watch Buds 2
No
USB
Children's Watch 4X
No
Watch Buds 2
No
Sensors
Children's Watch 4X
Accelerometer, gyro
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Type
Children's Watch 4X
Li-Ion 800 mAh
Watch Buds 2
Li-Ion 410 mAh
Charging
Children's Watch 4X
10W wired Wireless, 50% in 20 min
Watch Buds 2
Wireless
Colors
Children's Watch 4X
Blue, Pink, White
Watch Buds 2
Black, Silver
Models
Children's Watch 4X
NIK-AL00
Watch Buds 2
LBA-B19
Price
Children's Watch 4X
About 170 EUR
Watch Buds 2
About 440 EUR
Other
Children's Watch 4X
-
Watch Buds 2
No