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redmi-4-4x
poco-c81-pro
Display
Type
IPS_LCD
IPS_LCD
Size
6.9"
5"
Resolution
HD+
HD+
Refresh Rate
120Hz
—
Brightness
800 nits
—
Protection
—
Corning Gorilla Glass (unspecified version)
Platform
OS
ANDROID Android 15, up to 4 major Android upgrades, HyperOS 3
ANDROID Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
Chipset
Unisoc T7250
Qualcomm MSM8940 Snapdragon 435
CPU
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Octa-core 1.4 GHz Cortex-A53
GPU
Mali-G57 MP1
Adreno 505
AnTuTu Score
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—
Memory
RAM
4GB
2GB / 3GB / 4GB
Storage
64GB / 128GB / 256GB
16GB / 32GB / 64GB
Storage Type
UFS 2.2
eMMC 5.1
Card Slot
Yes
Yes
Camera
Main Camera
13MP f/2.2
13MP f/2.0
Selfie Camera
8MP f/2.0
5MP f/2.2
Video (Max)
1080p@30fps
1080p@30fps
OIS
No
No
Battery
Capacity
6,000 mAh
4,100 mAh
Wired Charging
15W
—
Wireless Charging
—
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 5, Wi-Fi 4, Dual-band
Wi-Fi 4
Bluetooth
5.2
4.2
NFC
Yes
No
5G
No
No
USB
USB Type-C 2.0
microUSB 2.0
GPS
GPS, GLONASS, BeiDou, Galileo
GPS, GLONASS, BeiDou
Body
Dimensions
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
Weight
208g
150g
Build
Glass / plastic back / plastic frame
Glass (Gorilla Glass) / aluminum back / aluminum frame
Water Resist
—
—
Colors
Black, Gold, Green
Black, Gold