Detailed comparison and review of Xiaomi MI A1 and LG K40. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi MI A1 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 155.4 mm | 153 mm | Xiaomi MI A1 has greater height than LG K40. |
| Width | 75.8 mm | 71.9 mm | Xiaomi MI A1 has greater width than LG K40. |
| Depth | 7.3 mm | 8.3 mm | Xiaomi MI A1 is narrower than Xiaomi MI A1. |
| Weight | 165 g | 145 g | LG K40 is lighter than Xiaomi MI A1. |
| Body Colour | Black | New Aurora Black | Moroccan blue | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.76 W/kg (body), 1.75 W/kg (head) | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | FM radio | 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 A1 | LG K40 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS IPS | IPS | |
| Screen Size (Display Size) | 5.5" | 5.7" | LG K40 has larger screen size than Xiaomi MI A1. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | Xiaomi MI A1 has better screen resolution than LG K40. |
| Display Format | Full HD | HD | |
| Pixel Density | 403 ppi | 282 ppi | Xiaomi MI A1 has better pixel density than LG K40. |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 450 cd/m² | - | |
| Display Features | 2.5D curved glass | Curved glass, FullVision display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | Xiaomi MI A1 | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | MediaTek | |
|---|---|---|---|
| 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) | Qualcomm ADRENO 506 | PowerVR GE8320 |
| MEMORY | Xiaomi MI A1 | LG K40 |
|---|
| RAM | 4 GB | 2 GB | Xiaomi MI A1 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 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Xiaomi MI A1 | 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 A1. |
| Sensor Size | - | 1/3" | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/2.0 | LG K40 has better lens aperture than Xiaomi MI A1. |
| Lens Construction | 5-element | - | |
| Pixel Size | - | 1 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Special Effects | HDR, Beautify 3.0 | - | |
| Camera Modes | Panorama, Continuous shot, low-light shots | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 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) | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | - | |
| Lens Aperture (2nd Camera) | F/2.6 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | LG K40 has better front camera resolution than Xiaomi MI A1. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | - | F/2.0 | |
| Pixel Size (Front) | - | 1.12 μm | |
| Camera Modes (Front) | Beautify with 36 smart beauty profiles | Portrait mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
| Light Source (Front) | - | LED flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | Self-timer | - |
| BATTERY AND CHARGING | Xiaomi MI A1 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 3000 mAh | Xiaomi MI A1 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 |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Xiaomi MI A1 | LG K40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 8.1 Oreo | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Xiaomi MI A1 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 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 38, Band 40 | 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 2600, TDD 2300 | 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 4.2 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HID | - | |
| NFC | - | Yes | LG K40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI A1 | LG K40 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V | - | |
| Sound Enhancements | Dirac HD Sound | DTS: X 3D Premium Sound |
| FEATURES | Xiaomi MI A1 | 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, gyro sensor, hall sensor | Ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Noise suppression by Fortemedia | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | Xiaomi MI A1 | LG K40 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
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