LG K40 vs. Xiaomi Redmi 12C

Phone Comparison, Reviews and Tests

In depth comparison and review of LG K40 and Xiaomi Redmi 12C. 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

LG K40 vs. Xiaomi Redmi 12C Comparison Chart
DESIGN AND DIMENSIONS LG K40 Xiaomi Redmi 12C
Product Type Smartphone Smartphone
Manufacturer Model Number LM-X420EMW -
Form Factor Touch Touch
Height 153 mm 168.76 mm Xiaomi Redmi 12C has greater height than LG K40.
Width 71.9 mm 76.41 mm Xiaomi Redmi 12C has greater width than LG K40.
Depth 8.3 mm 8.77 mm LG K40 is narrower than LG K40.
Weight 145 g 192 g LG K40 is lighter than LG K40.
Body Colour New Aurora Black | Moroccan blue Graphite grey
Waterproof (Water-resistant) - - Xiaomi Redmi 12C is waterproof.
SAR Value 1.597 W/kg (body), 0.518 W/kg (head) 0.957 W/kg (body), 0.979 W/kg (head), 2.208 W/kg (limb)
Integrated Components FM radio FM radio
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY LG K40 Xiaomi Redmi 12C
Display Type LCD display -
Display Technology IPS -
Screen Size (Display Size) 5.7" 6.71" Xiaomi Redmi 12C has larger screen size than LG K40.
Screen Resolution (Display Resolution) 1440 x 720 pixels 1650 x 720 pixels Xiaomi Redmi 12C has better screen resolution than LG K40.
Display Format HD HD+
Pixel Density 282 ppi -
Aspect Ratio 18:9 20.6:9
Max Brightness - 500 cd/m²
Contrast Ratio - 1500:1
Display Features Curved glass, FullVision display Reading mode, Dot Display, 70% NTSC
PROCESSOR LG K40 Xiaomi Redmi 12C
Processor Type (CPU) MediaTek MediaTek Helio G85
Processor Number MT6762 -
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - LG K40 has 64-bit architecture.
Graphics System (GPU) PowerVR GE8320 -
MEMORY LG K40 Xiaomi Redmi 12C
RAM 2 GB LPDDR4X SDRAM - 3 GB + up to 5 GB virtual extension Xiaomi Redmi 12C has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 20.2 GB -
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA LG K40 Xiaomi Redmi 12C
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 50 Megapixel Xiaomi Redmi 12C has better camera resolution than LG K40.
Sensor Size 1/3" 1/2.76" LG K40 has better camera sensor size than Xiaomi Redmi 12C.
Lens Aperture F/2.0 F/1.8 Xiaomi Redmi 12C has better lens aperture than LG K40.
Pixel Size 1 μm -
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes - Night mode, portrait mode, 50MP mode
Light Source LED flash LED flash
Video Resolutions - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes AI Dual camera, 4-in-1 pixel binning
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 5 Megapixel LG K40 has better front camera resolution than Xiaomi Redmi 12C.
Sensor Size (Front) 1/4" -
Lens Aperture (Front) F/2.0 F/2.2 LG K40 has better front lens aperture than LG K40.
Pixel Size (Front) 1.12 μm -
Camera Modes (Front) Portrait mode -
Light Source (Front) LED flash -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING LG K40 Xiaomi Redmi 12C
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Xiaomi Redmi 12C has larger battery capacity than LG K40.
Standby Time 100 hours 508 hours Xiaomi Redmi 12C has longer standby time than LG K40.
Talk Time 480 minutes 2040 minutes Xiaomi Redmi 12C has longer battery life when making calls than LG K40.
Run Time Details Talk: up to 480 min
Standby: up to 100 hrs
Talk: up to 2040 min
Standby: up to 508 hrs
Playback (video): up to 20 hrs
Gaming: up to 13 hrs
Battery Technology Lithium Ion -
CELLULAR LG K40 Xiaomi Redmi 12C
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo Android 12
User Interface - MIUI 13
Intelligent Assistant Google Assistant -
Navigation GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS LG K40 Xiaomi Redmi 12C
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
3G UMTS Band - Band 1, Band 5, Band 8
3G UMTS Frequency - 2100, 850, 900
4G LTE Band Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA LG K40 Xiaomi Redmi 12C
Supported Digital Audio Standards WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis -
Sound Enhancements DTS: X 3D Premium Sound -
FEATURES LG K40 Xiaomi Redmi 12C
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Ambient light sensor, proximity sensor Accelerometer, virtual proximity sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Security Technology - AI face unlock
Additional Phone Features Google Lens, Google Assistant Key, AI Cam Fast Charging
OTHERS LG K40 Xiaomi Redmi 12C
Included Accessories Power adapter USB cable, SIM card removal tool, 10W charger
Compliant Standards MIL-STD 810G -
Other projects: