Xiaomi Watch S1 Pro vs Xiaomi Watch S4

Xiaomi Watch S1 Pro

Xiaomi Watch S1 Pro

Announced On:August, 2022

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Xiaomi Watch S4

Xiaomi Watch S4

Announced On:October, 2024

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Xiaomi Watch S1 Pro vs Xiaomi Watch S4

Xiaomi Watch S1 Pro	Xiaomi Watch S4

Price
EUR: €220	EUR: €130
USD: N/A	USD: N/A
GBP: N/A	GBP: N/A
INR: N/A	INR: N/A
PKR: N/A	PKR: N/A

Form Factor
Body
Candybar, Touchscreen, Wearable	Candybar, Touchscreen, Wearable
Dimensions
46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)	47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
Weight
48.5 g (1.73 oz)	44.5 g (1.59 oz)
Build
Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back Waterproof (5ATM)	Aluminum alloy frame, stainless steel bezel Waterproof (5ATM)
Colors
Black, Silver	Black, Silver
Models
M2135W1, M2134W1	M2424W1, M2425W1

Type
Display
AMOLED, 600 nits (typ)	AMOLED, 2200 nits (peak)
Size
1.47 inches	1.43 inches
Resolution
480 x 480 pixels (~462 ppi density)	466 x 466 pixels (~326 ppi density)
Protection
	Scratch/drop-proof glass

Technology
Network
No cellular connectivity	GSM / HSPA / LTE
2G Bands
	GSM 850 / 900 / 1800 / 1900
3G Bands
	HSDPA
4G Bands
	LTE

Internal Memory
Memory
Unspecified storage
Card Slot
No	No

GPRS
Connectivity
No	No
EDGE
No	No
Speed
No	HSPA, LTE
WLAN
Wi-Fi 802.11 b/g/n (China only)	No
Bluetooth
5.2, A2DP, LE	5.3, A2DP, LE
USB
No	No
GPS
Yes, with dual-band. GLONASS, GALILEO, BDS, QZSS
NFC
Yes	Yes (market/region dependent)

Radio
Multimedia
No	No

Operating System (OS)
Software
MIUI Watch OS	HyperOS 2

Sensors
Hardware
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature)	Accelerometer, gyro, compass, barometer, heart rate, SpO2
SIM
No	eSIM (market/region dependent)
Speakers
Yes	Yes
Audio Jack
No	No

Battery Type
Battery
Li-Po 500 mAh	Li-Po 486 mAh
Charging
Wireless, 100% in 85 min (advertised)

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