Redmi Watch 4 对比 Xiaomi Smart Band 8 Active

	Selected: 搜寻: *输入型号搜索 Redmi Watch 4	Selected: 搜寻: *输入型号搜索 Xiaomi Smart Band 8 Active
Price:	从 RM329 459	从 RM78 129
发布
Release Status	Release 2024, Jan 16	Release 2023, Sep 27
性能与续航
Memory	Unspecified storage
Card Slot	No
Battery	Li-Po 470 mAh, non-removable battery	210mAh, Charging type: Magnetic charging, Charging time: Less than 120 minutes, Typical use time: 14 days
OS	HyperOS
显示屏
Display Type	AMOLED, 600 nits (peak)	TFT display
Display Size	1.97 inches 450 x 390 pixels (~302 ppi density)	1.47", 172 x 320 pixels，247 PPI, Max > 450 nits
Display Features	Always-on display	Tempered glass with anti-fingerprint coating, 2.5D micro-curved glass, Band faces: 100+
机身
Body Dimension	47.6 x 41.1 x 10.5 mm	42.81mm × 25.42mm × 9.99mm
Body Weight	31.5g
Body Type	Plastic back, aluminum frame Waterproof (5ATM) 50m water resistant	5ATM water resistant
Colors	Obsidian Black, Silver Gray	Ivory, Olive, Blue, Black, Pink
摄像头
连接与通讯
Sim Card	No
Data Speed	No
WLAN	No
Bluetooth	5.3, A2DP, LE	Bluetooth 5.1 BLE
NFC	Yes (market/region dependent)
USB	No
传感器
Sensor	Accelerometer, heart rate, compass, gyro, SpO2	PPG sensor, Accelerometer, Motor：ERM
GPS	GPS, GLONASS, GALILEO, BDS, QZSS
音频
Loud Speaker	Yes
3.5mm Jack	No