POCO X3 128GB Specifications

Key Specs General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs
RAM & Storage 6 GB RAM + 64 GB
6 GB RAM + 128 GB
8 GB RAM + 128 GB
Processor Qualcomm Snapdragon 732G
Rear Camera 64 MP + 13 MP + 2 MP + 2 MP
Front Camera 20 MP
Battery 6000 mAh
Display 6.67 inches (16.94 cm)

General
Launch Date September 29, 2020 (Official)
Operating System Android v10 (Q)
OS Updates 2 Year
Security Updates 3 Year
Custom UI MIUI

Performance

(Good)
Chipset Qualcomm Snapdragon 732G
Processor Octa core (2.3 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Architecture 64 bit
Fabrication 8 nm
Graphics (GPU) Adreno 618
RAM 6 GB / 8 GB
RAM Type LPDDR4X
Performance Test Results icon View AnTuTu Score
AnTuTu Score 282,092
Bootup Time 19.0 s
Speed Test (Antutu Score)
The higher, the better
Ai+ Nova 2 Power 5G 835,950 
Moto G86 Power 677,110 
POCO M8x 5G 653,645 
vivo T5 Lite 5G 575,705 
Moto G37 Power 5G 128GB 570,353 
OPPO K14x 5G 565,613 
POCO X3 128GB 282,092 
*Group: 14-20k Phones
See comparison with other phones
Bootup Time
The lower, the better
Ai+ Nova 2 Power 5G 18 s
POCO X3 128GB 19 s
Moto G86 Power 23 s
Moto G37 Power 5G 128GB 26 s
POCO M8x 5G 28 s
OPPO K14x 5G 37 s
realme C100X 78 s
*Group: 14-20k Phones
See comparison with other phones
Gaming Test Results icon
Battery Drain* 7.0 %
Heating* 13.2 %
* after 30 mins of gaming
Battery Drain*
The lower, the better
POCO C85 5G 5 %
Moto G86 Power 5 %
OPPO K14x 5G 6 %
POCO X3 128GB 7 %
Samsung Galaxy M17 5G 8 %
Samsung Galaxy F70e 5G 9 %
Alcatel V3 Ultra 10 %
*Group: 14-20k Phones
See comparison with other phones
Heating*
The lower, the better
Xiaomi Redmi 15C 6.3 %
Moto G86 Power 7.3 %
iQOO Z10R 9.6 %
OPPO K14x 5G 13.1 %
POCO X3 128GB 13.2 %
Samsung Galaxy F70e 5G 32.6 %
Samsung Galaxy M17 5G 34.2 %
*Group: 14-20k Phones
See comparison with other phones
Benchmark Screenshots
Benchmarks
AnTuTu Benchmark
Benchmarks
Graphics Benchmark
Benchmarks
GeekBench5 Benchmark
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POCO X3
POCO X3
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Display

(Excellent)
Display Type IPS LCD
Screen Size 6.67 inches (16.94 cm)
Resolution 1080x2400 px (FHD+)
Brightness 450 nits
Refresh Rate 120 Hz
Touch Sampling Rate 240 Hz
Aspect Ratio 20:9
Pixel Density 395 ppi
Screen to Body Ratio (calculated) 85.16 %
Screen Protection Corning Gorilla
Bezel-less Display Yes with punch-hole display
HDR 10 / HDR+ Support Yes, HDR 10+
Screen to Body Ratio (claimed by the brand) 91.25 %
UI Screenshots
UI Screenshot
Lock Screen
UI Screenshot
Home Screen
UI Screenshot
Screen With Widgets
UI Screenshot
Dialer Screen
UI Screenshot
App Drawer
UI Screenshot
Notification Panel
UI Screenshot
Quick Settings Panel
UI Screenshot
Settings Screen
UI Screenshot
OS Version
UI Screenshot
Storage
UI Screenshot
Battery
UI Screenshot
Camera On
UI Screenshot
Camera Options
UI Screenshot
Camera Modes
UI Screenshot
Camera Settings
UI Screenshot
Picture Size Options
UI Screenshot
Video Size Options

Design
Height 165.3 mm
Width 76.3 mm
Thickness 10.08 mm
Weight 225 grams
Build Material Back: Plastic
Water Resistance Yes, Splash proof, IP53
Click to View Click to View

Rear Camera

(Very Good)
Resolution
CameraMPLens FeaturesApertureSensor SizeSensor NamePixel Size
Primary64 MPWide Anglef/1.891/1.7" Sony Exmor-RS IMX6820.8µm
Secondary13 MPUltra-Wide Anglef/2.21.12µm
Tertiary2 MPMacrof/2.41.75µm
Quaternary2 MPDepthf/2.41.75µm
Autofocus Yes
Flash Yes, LED Flash
Image Resolution 9000 x 7000 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode
Beautify
Camera Features Digital Zoom
Auto Flash
Custom Watermark
Face detection
Filters
Touch to focus
Video Recording 4k @30 fps
Full HD @60 fps
Video Recording Features
Expand
Dual Video Recording
Slow Motion
Movie Frame
Vlog Mode
Video Pro Mode
Short Video Mode
Rear Camera Samples
Rear Camera
Wide Angle
Rear Camera
Portrait Shot
Rear Camera
Night Mode OFF
Rear Camera
Night Mode ON
Rear Camera
Close Up
Rear Camera
Low Light
Rear Camera
Low Light With Flash
Rear Camera
Colour Variance
Rear Camera
Daylight Auto / HDR OFF
Rear Camera
Daylight / HDR ON
Rear Camera
AI OFF
Rear Camera
AI ON
Rear Camera
Macro

Front Camera

(Very Good)
Resolution
CameraMPLens FeaturesApertureSensor SizePixel Size
Primary20 MPWide Anglef/2.21/3.4"0.8µm
Video Recording Full HD @30 fps
Front Camera Samples
Front Camera
Selfie
Front Camera
Selfie Portrait
Front Camera
Selfie Low Light
Front Camera
Selfie Low Light With Flash

Battery

(Very Good)
Capacity 6000 mAh
Battery Type Li-Polymer
TalkTime Up to 45 Hours(4G)
Quick Charging Yes, 33W Quick Charging
Battery Test Results icon
Battery Life (PC Mark) 23h 03m
Charging Time (20% to 100%) 1h 31m 55s
Battery Life (PC Mark)
The higher, the better
POCO X3 128GB 23.1 hrs
POCO M8x 5G 22.3 hrs
vivo T5 Lite 5G 18.2 hrs
Moto G37 Power 5G 128GB 16.8 hrs
Samsung Galaxy F70e 5G 12.9 hrs
Moto G86 Power 11.1 hrs
Alcatel V3 Ultra 8.9 hrs
*Group: 14-20k Phones
See comparison with other phones
Charging Time (20% to 100%)
The lower, the better
Tecno Pova Curve 5G 0.9 hrs
Moto G86 Power 1.2 hrs
POCO M8x 5G 1.2 hrs
Moto G37 Power 5G 128GB 1.3 hrs
OPPO K14x 5G 1.5 hrs
POCO X3 128GB 1.5 hrs
realme C83 5G 2.5 hrs
*Group: 14-20k Phones
See comparison with other phones

Storage
Internal Storage 64 GB / 128 GB
Storage Type UFS 2.1
Expandable Storage Yes, Up to 512 GB

Network & Connectivity
SIM Slot(s) Dual SIM
SIM Type SIM1: Nano, SIM2: Nano (Hybrid)
Network Support 5G Not Supported, 4G
VoLTE Yes
SIM 1 4G bands
Expand
Bands Features
4G bandsTD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
SIM 2 4G bands
Expand
Bands Features
4G bandsTD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
SAR Value Head: 0.747 W/kg, Body: 0.615 W/kg
Wi-Fi Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz, MIMO
Wi-Fi Features Mobile Hotspot
Bluetooth Yes, v5.1
GPS Yes with A-GPS, Glonass
NFC No

Multimedia
Audio Jack 3.5 mm

Sensors
Fingerprint Sensor Yes
Fingerprint Sensor Position Side
Other Sensors Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Mobiles› POCO X3 128GB› POCO X3 128GB Specifications
Updated on: October 25, 2026