Screen size
Watch 21.4"
Watch S5Winner: 1.5"+3.4%
Quick verdict
Watch S5 leads the measured specs 6-4.
Measured wins
Watch 2
4
spec wins
Ties
4
equal specs
Watch S5
6
spec wins
Overall winner
Screen size
Technology
Watch 2
No cellular connectivity
Watch S5
HSPA / LTE
2G bands
Watch 2
N/A
Watch S5
3G bands
Watch 2
N/A
Watch S5
HSDPA
4G bands
Watch 2
N/A
Watch S5
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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
LTE
GPRS
Watch 2
No
Watch S5
No
EDGE
Watch 2
No
Watch S5
No
Speed
Watch 2
-
Watch S5
HSPA, LTE
Announced
Watch 2
2024, February 12
Watch S5
2026, May 28
Status
Watch 2
Available. Released 2024, February 22
Watch S5
Available. Released 2026, May 28
Dimensions
Watch 2
47.5 x 45.9 x 11.8 mm (1.87 x 1.81 x 0.46 in)
Watch S5
46 x 46 x 11 mm (1.81 x 1.81 x 0.43 in)
Weight
Watch 2
36.8 g (1.31 oz)
Watch S5
46 g (1.62 oz)
Build
Watch 2
Aluminum frame
Watch S5
Glass front, stainless steel frame, stainless steel/ceramic/forged carbon bezel
SIM
Watch 2
No
Watch S5
eSIM (market/region dependent)
Other
Watch 2
Waterproof (5ATM)
Watch S5
Waterproof (5ATM)
Type
Watch 2
AMOLED, 600 nits
Watch S5
AMOLED, 1500 nits (HBM), 2500 nits (peak)
Size
Watch 2
1.43 inches
Watch S5
1.48 inches
Resolution
Watch 2
466 x 466 pixels (~326 ppi density)
Watch S5
480 x 480 pixels (~459 ppi density)
Protection
Watch 2
-
Watch S5
Drop-proof glass
OS
Watch 2
Android Wear OS
Watch S5
Xiaomi HyperOS 3
Chipset
Watch 2
Qualcomm Snapdragon W5+ Gen 1 (4 nm)
Watch S5
-
Card slot
Watch 2
No
Watch S5
No
Internal
Watch 2
32GB 2GB RAM
Watch S5
-
Other
Watch 2
No
Watch S5
No
Loudspeaker
Watch 2
Yes
Watch S5
Yes
3.5mm jack
Watch 2
No
Watch S5
No
WLAN
Watch 2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch S5
No
Bluetooth
Watch 2
5.2, A2DP, LE
Watch S5
5.4, LE
Positioning
Watch 2
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Watch S5
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Watch 2
Yes (market/region dependent)
Watch S5
Yes (market/region dependent)
Radio
Watch 2
No
Watch S5
No
USB
Watch 2
No
Watch S5
No
Sensors
Watch 2
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Watch S5
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Type
Watch 2
Li-Po 495 mAh
Watch S5
Li-Po 815 mAh
Colors
Watch 2
Black, Silver
Watch S5
Black, Silver, Ceramic Blue, Jungle Green, Beige (eSIM)
Models
Watch 2
M2320W1
Watch S5
M2530W1, M2517W1
Price
Watch 2
About 70 EUR
Watch S5
About 180 EUR