Screen size
PillarWinner: 2.0"+25%
Watch Buds 21.5"
Quick verdict
Watch Buds 2 leads the measured specs 6-5.
Measured wins
Pillar
5
spec wins
Ties
1
equal specs
Watch Buds 2
6
spec wins
Overall winner
Screen size
Technology
Pillar
CDMA / CDMA2000
Watch Buds 2
No cellular connectivity
2G bands
Pillar
CDMA 800 / 1900 / 1700 / 2100
Watch Buds 2
N/A
3G bands
Pillar
CDMA2000 1x
Watch Buds 2
N/A
Speed
Pillar
CDMA2000 1x, 153 Kbps
Watch Buds 2
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
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
No
4G bands
Pillar
-
Watch Buds 2
N/A
GPRS
Pillar
-
Watch Buds 2
No
EDGE
Pillar
-
Watch Buds 2
No
Announced
Pillar
2011, September
Watch Buds 2
2026, April 20
Status
Pillar
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
Pillar
109.2 x 61 x 12.7 mm (4.30 x 2.40 x 0.5 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
Pillar
99 g (3.49 oz)
Watch Buds 2
54.5 g (1.90 oz)
Keyboard
Pillar
QWERTY
Watch Buds 2
-
SIM
Pillar
Mini-SIM
Watch Buds 2
No
Build
Pillar
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Other
Pillar
-
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Type
Pillar
TFT, 256K colors
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
Pillar
2.0 inches, 12.4 cm2 (~18.6% screen-to-body ratio)
Watch Buds 2
1.5 inches
Resolution
Pillar
320 x 240 pixels, 4:3 ratio (~200 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Card slot
Pillar
microSDHC (dedicated slot)
Watch Buds 2
No
Phonebook
Pillar
1000 entries, Photocall
Watch Buds 2
-
Call records
Pillar
Yes
Watch Buds 2
-
Single
Pillar
VGA
Watch Buds 2
-
Video
Pillar
No
Watch Buds 2
-
Other
Pillar
No
Watch Buds 2
-
Loudspeaker
Pillar
Yes
Watch Buds 2
No
3.5mm jack
Pillar
Yes
Watch Buds 2
No
WLAN
Pillar
No
Watch Buds 2
No
Bluetooth
Pillar
2.1
Watch Buds 2
5.2, A2DP, LE
Positioning
Pillar
GPS, A-GPS
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Radio
Pillar
No
Watch Buds 2
No
USB
Pillar
microUSB
Watch Buds 2
No
NFC
Pillar
-
Watch Buds 2
Yes
Sensors
Pillar
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Messaging
Pillar
SMS, MMS
Watch Buds 2
-
Games
Pillar
Yes
Watch Buds 2
-
Java
Pillar
No
Watch Buds 2
-
Other
Pillar
MP3/AAC player H.263 player Organizer Voice memo Predictive text input
Watch Buds 2
-
Type
Pillar
Removable Li-Ion 900 mAh battery
Watch Buds 2
Li-Ion 410 mAh
Stand-by
Pillar
Up to 240 h
Watch Buds 2
-
Talk time
Pillar
Up to 4 h 30 min
Watch Buds 2
-
Charging
Pillar
-
Watch Buds 2
Wireless
Colors
Pillar
Black
Watch Buds 2
Black, Silver
Price
Pillar
About 70 EUR
Watch Buds 2
About 440 EUR
Models
Pillar
-
Watch Buds 2
LBA-B19
OS
Pillar
-
Watch Buds 2
HarmonyOS
Other
Pillar
-
Watch Buds 2
No