Redmi Watch 4 对比 Apple Watch Ultra 2

Redmi Watch 4
Apple Watch Ultra 2
Price: 从 RM359   459 从 RM3699   3799
发布
Release Status Release 2024, Jan 16 Release 2023, Sep 12
性能与续航
CPU Dual-core
Chipset Apple S9
GPU PowerVR
Memory Unspecified storage 64GB
Card Slot No No
Battery Li-Po 470 mAh, non-removable battery Li-Ion 542 mAh, non-removable battery
Wireless
OS HyperOS watchOS 10
显示屏
Display Type AMOLED, 600 nits (peak) Retina LTPO OLED, 3000 nits (peak)
Display Size 1.97 inches
450 x 390 pixels (~302 ppi density)		 1.92 inches
502 x 410 pixels (~338 ppi density)
Display Features Always-on display Sapphire crystal glass
Always-on display
机身
Body Dimension 47.6 x 41.1 x 10.5 mm 49 x 44 x 14.4 mm
Body Weight 31.5g 61.4g
Body Type Plastic back, aluminum frame
Waterproof (5ATM)
50m water resistant		 Sapphire crystal front, ceramic/sapphire crystal back, titanium frame
IP6X certified
100m water resistant (WR100)
40m swimproof/diving (EN13319)
MIL-STD 810H certified
ECG certified (region dependent SW application; HW available on all models)
Colors Obsidian Black, Silver Gray Titanium
摄像头
连接与通讯
Sim Card No eSIM
Data Speed No HSPA, LTE
WLAN No Wi-Fi 802.11 b/g/n, dual-band
Bluetooth 5.3, A2DP, LE 5.3, A2DP, LE
NFC Yes (market/region dependent) Yes
USB No No
传感器
Sensor Accelerometer, heart rate, compass, gyro, SpO2 Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
GPS GPS, GLONASS, GALILEO, BDS, QZSS
音频
Loud Speaker Yes Yes, with dual speakers (86-decibel)
3.5mm Jack No No

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