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watch-series-4-aluminum
k15x
Display
Type
IPS_LCD
OLED
Size
6.75"
1.78"
Resolution
HD+
—
Refresh Rate
120Hz
—
Brightness
1125 nits
1000 nits
Protection
—
Ion-X strengthened glass
Platform
OS
ANDROID Android 16, ColorOS 16
OTHER watchOS 5.0, upgradable to watchOS 10.6.1
Chipset
Mediatek Dimensity 6300
Apple S4
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Dual-core
GPU
Mali-G57 MC2
PowerVR
AnTuTu Score
—
—
Memory
RAM
6GB
1GB
Storage
128GB / 256GB
16GB
Storage Type
UFS 2.2
—
Card Slot
Yes
No
Camera
Main Camera
13MP f/2.2
—
Selfie Camera
5MP f/2.2
—
Video (Max)
1080p@30/60fps
—
OIS
No
No
Battery
Capacity
6,500 mAh
292 mAh
Wired Charging
45W
—
Wireless Charging
—
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 5, Wi-Fi 4, Dual-band
Wi-Fi 4
Bluetooth
5.4
5.0
NFC
Yes
Yes
5G
Yes
No
USB
USB Type-C 2.0
No
GPS
GPS, GLONASS, Galileo, QZSS
GPS, GLONASS, Galileo, QZSS
Body
Dimensions
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight
212g
36.7g
Build
Glass / plastic back / plastic frame
Glass / ceramic/sapphire crystal back / aluminum frame
Water Resist
IP64
—
Colors
Purple, White
Silver, Gold, Space Gray