Screen size
Watch S41.4"
Watch S5Winner: 1.5"+3.4%
Quick verdict
Watch S5 leads the measured specs 6-2.
Measured wins
Watch S4
2
spec wins
Ties
4
equal specs
Watch S5
6
spec wins
Overall winner
Screen size
Technology
Watch S4
GSM / HSPA / LTE
Watch S5
HSPA / LTE
2G bands
Watch S4
GSM 850 / 900 / 1800 / 1900
Watch S5
3G bands
Watch S4
HSDPA
Watch S5
HSDPA
4G bands
Watch S4
LTE
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
Speed
Watch S4
HSPA, LTE
Watch S5
HSPA, LTE
GPRS
Watch S4
No
Watch S5
No
EDGE
Watch S4
No
Watch S5
No
Announced
Watch S4
2024, October 29
Watch S5
2026, May 28
Status
Watch S4
Available. Released 2024, October 29
Watch S5
Available. Released 2026, May 28
Dimensions
Watch S4
47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
Watch S5
46 x 46 x 11 mm (1.81 x 1.81 x 0.43 in)
Weight
Watch S4
44.5 g (1.59 oz)
Watch S5
46 g (1.62 oz)
Build
Watch S4
Aluminum alloy frame, stainless steel bezel
Watch S5
Glass front, stainless steel frame, stainless steel/ceramic/forged carbon bezel
SIM
Watch S4
eSIM (market/region dependent)
Watch S5
eSIM (market/region dependent)
Other
Watch S4
Waterproof (5ATM)
Watch S5
Waterproof (5ATM)
Type
Watch S4
AMOLED, 1500 nits (HBM), 2200 nits (peak)
Watch S5
AMOLED, 1500 nits (HBM), 2500 nits (peak)
Size
Watch S4
1.43 inches
Watch S5
1.48 inches
Resolution
Watch S4
466 x 466 pixels (~326 ppi density)
Watch S5
480 x 480 pixels (~459 ppi density)
Protection
Watch S4
Scratch/drop-proof glass
Watch S5
Drop-proof glass
OS
Watch S4
HyperOS 2
Watch S5
Xiaomi HyperOS 3
Card slot
Watch S4
No
Watch S5
No
Other
Watch S4
No
Watch S5
No
Loudspeaker
Watch S4
Yes
Watch S5
Yes
3.5mm jack
Watch S4
No
Watch S5
No
WLAN
Watch S4
No
Watch S5
No
Bluetooth
Watch S4
5.3, A2DP, LE
Watch S5
5.4, LE
Positioning
Watch S4
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Watch S5
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Watch S4
Yes (market/region dependent)
Watch S5
Yes (market/region dependent)
Radio
Watch S4
No
Watch S5
No
USB
Watch S4
No
Watch S5
No
Sensors
Watch S4
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Watch S5
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Type
Watch S4
Li-Po 486 mAh
Watch S5
Li-Po 815 mAh
Colors
Watch S4
Black, Silver, Rainbow
Watch S5
Black, Silver, Ceramic Blue, Jungle Green, Beige (eSIM)
Models
Watch S4
M2424W1, M2425W1
Watch S5
M2530W1, M2517W1
Price
Watch S4
About 130 EUR
Watch S5
About 180 EUR