In depth comparison and review of Xiaomi MI Max 3 and LG K40. 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.
| DESIGN AND DIMENSIONS | Xiaomi MI Max 3 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 176.15 mm | 153 mm | Xiaomi MI Max 3 has greater height than LG K40. |
| Width | 87.4 mm | 71.9 mm | Xiaomi MI Max 3 has greater width than LG K40. |
| Depth | 7.99 mm | 8.3 mm | Xiaomi MI Max 3 is narrower than Xiaomi MI Max 3. |
| Weight | 221 g | 145 g | LG K40 is lighter than Xiaomi MI Max 3. |
| Body Colour | - | New Aurora Black | Moroccan blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.417 W/kg (body), 1.584 W/kg (head) | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi MI Max 3 | LG K40 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 6.9" | 5.7" | Xiaomi MI Max 3 has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1440 x 720 pixels | Xiaomi MI Max 3 has better screen resolution than LG K40. |
| Display Format | Full HD+ | HD | |
| Pixel Density | - | 282 ppi | |
| Aspect Ratio | 18:9 | 18:9 | |
| Max Brightness | 520 cd/m² | - | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Curved glass, FullVision display |
| PROCESSOR | Xiaomi MI Max 3 | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 636 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 1.8 GHz | 2 GHz | LG K40 has higher clock speed than Xiaomi MI Max 3. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 509 | PowerVR GE8320 |
| MEMORY | Xiaomi MI Max 3 | LG K40 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 2 GB | Xiaomi MI Max 3 has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Xiaomi MI Max 3 has more internal memory than LG K40. |
| User Memory | - | 20.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Xiaomi MI Max 3 | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 16 Megapixel | LG K40 has better camera resolution than Xiaomi MI Max 3. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | F/1.9 | F/2.0 | Xiaomi MI Max 3 has better lens aperture than Xiaomi MI Max 3. |
| Pixel Size | - | 1 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Burst mode, Panorama, AI portrait mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Max 3 has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | - | |
| Camera Features (Functions) | Dual Pixel Autofocus technology, AI scene detection | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | - |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 1.12 μm | |
| Camera Modes (Front) | AI portrait mode, AI Beautify | Portrait mode | |
| Face Recognition (Face ID) | Face detection | - | Xiaomi MI Max 3 has face detection. |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | Xiaomi MI Max 3 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 5500 mAh | 3000 mAh | Xiaomi MI Max 3 has larger battery capacity than LG K40. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI Max 3 has fast charging technology. |
| Standby Time | 474 hours | 100 hours | Xiaomi MI Max 3 has longer standby time than LG K40. |
| Talk Time | - | 480 minutes | |
| Run Time Details | Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (audio): up to 233 hrs Standby: up to 474 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi MI Max 3 | LG K40 |
|---|
| 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 8.1 Oreo | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Xiaomi MI Max 3 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 34, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 LE | |
| NFC | - | Yes | LG K40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Max 3 | LG K40 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG4-ASP | - | |
| Sound Enhancements | - | DTS: X 3D Premium Sound |
| FEATURES | Xiaomi MI Max 3 | LG K40 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, 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 | Ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Face Unlock, infrared remote control, Split Screen | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | Xiaomi MI Max 3 | LG K40 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
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