Side by side comparison and review of LG K40 and Xiaomi POCO M4 Pro 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-X420EMW | - | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 163.56 mm | Xiaomi POCO M4 Pro 5G has greater height than LG K40. |
| Width | 71.9 mm | 75.78 mm | Xiaomi POCO M4 Pro 5G has greater width than LG K40. |
| Depth | 8.3 mm | 8.75 mm | LG K40 is narrower than LG K40. |
| Weight | 145 g | 195 g | LG K40 is lighter than LG K40. |
| Body Colour | New Aurora Black | Moroccan blue | Cool blue | Power black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.597 W/kg (body), 0.518 W/kg (head) | 0.999 W/kg (body), 0.594 W/kg (head), 1.989 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 5.7" | 6.6" | Xiaomi POCO M4 Pro 5G has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2400 x 1080 pixels | Xiaomi POCO M4 Pro 5G has better screen resolution than LG K40. |
| Display Format | HD | Full HD+ | |
| Pixel Density | 282 ppi | - | |
| Aspect Ratio | 18:9 | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Curved glass, FullVision display | Sunlight Display, DCI-P3 Wide colour gamut, Dot Display, DynamicSwitch refresh rate |
| PROCESSOR | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Processor Type (CPU) | MediaTek | MediaTek Dimensity 810 | |
|---|---|---|---|
| Processor Number | MT6762 | - | |
| Clock Speed | 2 GHz | 2.4 GHz | Xiaomi POCO M4 Pro 5G has higher clock speed than LG K40. |
| 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 | ARM Mali-G57 |
| MEMORY | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 6 GB | Xiaomi POCO M4 Pro 5G has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Xiaomi POCO M4 Pro 5G has more internal memory than LG K40. |
| User Memory | 20.2 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 50 Megapixel | Xiaomi POCO M4 Pro 5G has better camera resolution than LG K40. |
| Sensor Size | 1/3" | - | |
| Lens Aperture | F/2.0 | F/1.8 | Xiaomi POCO M4 Pro 5G has better lens aperture than LG K40. |
| Pixel Size | 1 μm | - | |
| Focus Adjustment | Automatic | - | |
| Camera Modes | - | Night mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 119 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 16 Megapixel | Xiaomi POCO M4 Pro 5G has better front camera resolution than LG K40. |
| Sensor Size (Front) | 1/4" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.45 | LG K40 has better front lens aperture than LG K40. |
| Pixel Size (Front) | 1.12 μm | - | |
| Camera Modes (Front) | Portrait mode | Selfie mode | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Xiaomi POCO M4 Pro 5G has larger battery capacity than LG K40. |
|---|---|---|---|
| Standby Time | 100 hours | - | |
| Talk Time | 480 minutes | - | |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Playback (Music): up to 179 hrs Reading: up to 33 hrs Playback (video): up to 16 hrs Gaming: up to 12 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi POCO M4 Pro 5G has more advanced generation mobile network. |
| Operating System | Android 8.1 Oreo | Android 11 | |
| User Interface | - | MIUI 12.5 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, GLONASS, Galileo |
| COMMUNICATIONS | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| 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 POCO M4 Pro 5G |
|---|
| 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 POCO M4 Pro 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, digital compass, gyroscope | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Google Lens, Google Assistant Key, AI Cam | Infrared remote control, Fast Charging, dual stereo speakers, X-axis linear vibration motor |
| OTHERS | LG K40 | Xiaomi POCO M4 Pro 5G |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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