Xiaomi MI 4i vs. LG K9

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and LG K9. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi MI 4i vs. LG K9 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i LG K9
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 138.1 mm 146.3 mm LG K9 has greater height than Xiaomi MI 4i.
Width 69.6 mm 73.2 mm LG K9 has greater width than Xiaomi MI 4i.
Depth 7.8 mm 8.2 mm Xiaomi MI 4i is narrower than Xiaomi MI 4i.
Weight 130 g 148 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Aurora black
Waterproof (Water-resistant) - -
SAR Value 1.29 W/kg 1.43 W/kg (body), 0.763 W/kg (head)
Integrated Components FM radio FM radio
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Single-SIM
DISPLAY Xiaomi MI 4i LG K9
Display Type LCD display LCD display
Display Technology IPS TFT
Screen Size (Display Size) 5" 5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1280 x 720 pixels Xiaomi MI 4i has better screen resolution than LG K9.
Display Format Full HD HD
Pixel Density 441 ppi -
Colour Depth 16.7 million colours -
Display Enhancement Technology - OnCell technology
Display Protection (Screen Protector) Corning Concore Glass -
PROCESSOR Xiaomi MI 4i LG K9
Processor Type (CPU) Qualcomm Snapdragon 615 Qualcomm Snapdragon 210
Processor Number - MSM8909
Clock Speed 1.7 GHz 1.3 GHz Xiaomi MI 4i has higher clock speed than LG K9.
Processor Core Qty 8-core Quad-core Xiaomi MI 4i has higher processor core quantity than LG K9.
64-bit Architecture Yes - Xiaomi MI 4i has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 405 -
MEMORY Xiaomi MI 4i LG K9
RAM 2 GB 2 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 16 GB 16 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) - microSDHC - up to 32 GB
CAMERA Xiaomi MI 4i LG K9
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 8 Megapixel Xiaomi MI 4i has better camera resolution than LG K9.
Lens Aperture F/2.0 -
Lens Construction 5-element -
Focus Adjustment Automatic Automatic
Digital Zoom - 4x
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama, manual mode Timer mode, sport mode, low-light shots
Face Recognition (Face ID) Face detection, smile detection - Xiaomi MI 4i has face detection.
Light Source Dual LED flash LED light
Video Resolutions 1920 x 1080 (1080p) 1280 x 720 (720p)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 5 Megapixel Both phones have the same front camera resolution.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 -
Lens Element Qty (Front) 5-element -
BATTERY AND CHARGING Xiaomi MI 4i LG K9
Battery Capacity (Battery Size) 3120 mAh 2500 mAh Xiaomi MI 4i has larger battery capacity than LG K9.
Talk Time 2100 minutes -
Run Time Details Talk (WCDMA): up to 2100 min -
Battery Technology Lithium Ion Lithium Ion
CELLULAR Xiaomi MI 4i LG K9
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0.2 (Lollipop) Android 7.1.2 (Nougat)
User Interface MIUI V6 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Xiaomi MI 4i LG K9
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 -
4G LTE Frequency FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 -
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.1 Bluetooth 4.2
Bluetooth Profiles A2DP, HID -
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i LG K9
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ -
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 -
FEATURES Xiaomi MI 4i LG K9
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor
Additional Phone Features MIMO technology, Active noise-cancellation KnockON, Knock Code function, Smart Keyboard, Easy Home mode, QuickMemo+ function, Smart Lock, Shortcut Keys
OTHERS Xiaomi MI 4i LG K9
Included Accessories Power adapter USB cable, power adapter
Compliant Standards - HAC (Hearing Aid Compatible)
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