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optimax-11
k15x
Display
Type
IPS_LCD
IPS_LCD
Size
8"
6.75"
Resolution
HD+
HD+
Refresh Rate
—
120Hz
Brightness
—
1125 nits
Protection
—
—
Platform
OS
ANDROID Android 6.0 (Marshmallow)
ANDROID Android 16, ColorOS 16
Chipset
Spreadtrum SC7731G
Mediatek Dimensity 6300
CPU
Quad-core 1.3 GHz Cortex-A7
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-400
Mali-G57 MC2
AnTuTu Score
—
—
Memory
RAM
1GB
6GB
Storage
16GB
128GB / 256GB
Storage Type
—
UFS 2.2
Card Slot
Yes
Yes
Camera
Main Camera
5MP
13MP f/2.2
Selfie Camera
2MP
5MP f/2.2
Video (Max)
720p@30fps
1080p@30/60fps
OIS
No
No
Battery
Capacity
3,500 mAh
6,500 mAh
Wired Charging
—
45W
Wireless Charging
—
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 4
Wi-Fi 5, Wi-Fi 4, Dual-band
Bluetooth
2.1
5.4
NFC
No
Yes
5G
No
Yes
USB
microUSB 2.0
USB Type-C 2.0
GPS
GPS
GPS, GLONASS, Galileo, QZSS
Body
Dimensions
208 x 123 x 10 mm (8.19 x 4.84 x 0.39 in)
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
330g
212g
Build
—
Glass / plastic back / plastic frame
Water Resist
—
IP64
Colors
Black, White, Gray, Gold, Rose Gold
Purple, White