Redmi Watch 4 对比 HUAWEI Band 9

	Selected: 搜寻: *输入型号搜索 Redmi Watch 4	Selected: 搜寻: *输入型号搜索 HUAWEI Band 9
Price:	从 RM359 459	从 RM165 219
发布
Release Status	Release 2024, Jan 16	Release 2024, Mar 25
性能与续航
Memory	Unspecified storage
Card Slot	No
Battery	Li-Po 470 mAh, non-removable battery	Magnetic charging port
OS	HyperOS
显示屏
Display Type	AMOLED, 600 nits (peak)	AMOLED, Full-screen touch + side button
Display Size	1.97 inches 450 x 390 pixels (~302 ppi density)	1.47 inch, 194 × 368 pixels, PPI 282
Display Features	Always-on display	The AMOLED touchscreen supports swipe and touch gestures.
机身
Body Dimension	47.6 x 41.1 x 10.5 mm	43.45 × 24.86 × 8.99 mm
Body Weight	31.5g
Body Type	Plastic back, aluminum frame Waterproof (5ATM) 50m water resistant	Durable polymer materials, 5 ATM
Colors	Obsidian Black, Silver Gray	White, Starry Black, Charm Pink, Lemon Yellow, Blue
摄像头
连接与通讯
Sim Card	No
Data Speed	No
WLAN	No
Bluetooth	5.3, A2DP, LE	2.4 GHz, BT 5.0, and BLE
NFC	Yes (market/region dependent)
USB	No
传感器
Sensor	Accelerometer, heart rate, compass, gyro, SpO2	9-axis IMU sensor (Accelerometer sensor, Gyroscope sensor, Magnetometer sensor), Optical heart rate sensor, Ambient light sensor
GPS	GPS, GLONASS, GALILEO, BDS, QZSS
音频
Loud Speaker	Yes
3.5mm Jack	No