Apple Watch Series 9 Aluminum vs Xiaomi Watch S4

Xiaomi Watch S4

Xiaomi Watch S4

October, 2024


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Apple Watch Series 9 Aluminum vs Xiaomi Watch S4


Apple Watch Series 9 Aluminum

Xiaomi Watch S4

Price
EUR: €340EUR: €130
USD: N/AUSD: N/A
GBP: N/AGBP: N/A
INR: N/AINR: N/A
PKR: N/APKR: N/A
Body
Form Factor
Candybar, Touchscreen, WearableCandybar, Touchscreen, Wearable
Dimensions
45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
Weight
31.9 g (41mm), 38.7 g (45mm) (1.13 oz)44.5 g (1.59 oz)
Build
Glass front, ceramic/sapphire crystal back, aluminum frame

IP6X certified

50m water resistant

ECG certified (region dependent SW application, HW available on all models)
Aluminum alloy frame, stainless steel bezel

Waterproof (5ATM)
Colors
Midnight, Starlight, Silver, Pink, RedBlack, Silver
Models
A2982, A2984, A2983, A2985, Watch7,1, Watch7,2, Watch7,3, Watch7,4M2424W1, M2425W1
Display
Type
Retina LTPO OLED, 2000 nits (peak)

Always-on display
AMOLED, 2200 nits (peak)
Size
1.9 inches1.43 inches
Resolution
484 x 396 pixels (~326 ppi density)466 x 466 pixels (~326 ppi density)
Protection
Ion-X strengthened glassScratch/drop-proof glass
Network
Technology
GSM / HSPA / LTEGSM / HSPA / LTE
2G Bands
GSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 International, China, HKHSDPA
4G Bands
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 International, China, HKLTE
Memory
Internal Memory
64GB
Card Slot
NoNo
Connectivity
GPRS
No
EDGE
No
Speed
HSPA, LTEHSPA, LTE
WLAN
Wi-Fi 802.11 b/g/n, dual-bandNo
Bluetooth
5.3, A2DP, LE5.3, A2DP, LE
USB
NoNo
NFC
YesYes (market/region dependent)
Multimedia
Radio
NoNo
Software
Operating System (OS)
watchOS 10HyperOS 2
Upgradable
Upgradable to watchOS 11.2
Hardware
Chipset
Apple S9
CPU
Dual-core
GPU
PowerVR
Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)Accelerometer, gyro, compass, barometer, heart rate, SpO2
SIM
eSIM (market/region dependent)
Speakers
YesYes
Audio Jack
NoNo
Battery
Battery Type
Li-Ion 308 mAhLi-Po 486 mAh
Charging
Wireless, 0-80% in 45 min
Additional Features
Features
Temperature sensing (0.01" accuracy)

Ultra Wideband (UWB) support (gen2 chip)
Misc
SAR EU
0.64 W/kg (head)

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