Redmi Watch 4 对比 Redmi Watch 3 Active

	Selected: 搜寻: *输入型号搜索 Redmi Watch 4	Selected: 搜寻: *输入型号搜索 Redmi Watch 3 Active
Price:	从 RM359 459	从 RM128 179
发布
Release Status	Release 2024, Jan 16	Release 2023, Jul 05
性能与续航
Memory	Unspecified storage	Unspecified storage
Card Slot	No	No
Battery	Li-Po 470 mAh, non-removable battery	289mAh, Typical use time: 12 days, Heavy use time: 8 days
OS	HyperOS	Proprietary OS
显示屏
Display Type	AMOLED, 600 nits (peak)	LCD Display, Brightness: up to 450 nits, adjustable
Display Size	1.97 inches 450 x 390 pixels (~302 ppi density)	1.83 inch , 240×280 pixel
Display Features	Always-on display	Always-on display
机身
Body Dimension	47.6 x 41.1 x 10.5 mm	42.6 x 36.6 x 10 mm
Body Weight	31.5g	37g
Body Type	Plastic back, aluminum frame Waterproof (5ATM) 50m water resistant	5ATM water resistant
Colors	Obsidian Black, Silver Gray	Black, Grey
摄像头
连接与通讯
Sim Card	No	No
Data Speed	No	No
WLAN	No	No
Bluetooth	5.3, A2DP, LE	Bluetooth® 5.3
NFC	Yes (market/region dependent)	Yes
USB	No	No
传感器
Sensor	Accelerometer, heart rate, compass, gyro, SpO2	Heart rate sensor (with blood oxygen sensor), accelerometer
GPS	GPS, GLONASS, GALILEO, BDS, QZSS	Beidou/GPS/GLONASS/Galileo/QZSS
音频
Loud Speaker	Yes	Speaker: supported
3.5mm Jack	No	Microphone: supported