Side by side comparison and review of Xiaomi MI Redmi 3 and LG K40. 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 | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 153 mm | LG K40 has greater height than Xiaomi MI Redmi 3. |
| Width | 69.6 mm | 71.9 mm | LG K40 has greater width than Xiaomi MI Redmi 3. |
| Depth | 8.5 mm | 8.3 mm | LG K40 is narrower than Xiaomi MI Redmi 3. |
| Weight | 144 g | 145 g | Xiaomi MI Redmi 3 is lighter than Xiaomi MI Redmi 3. |
| Body Colour | Fashion gold | New Aurora Black | Moroccan blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | - | 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 |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 5.7" | LG K40 has larger screen size than Xiaomi MI Redmi 3. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | LG K40 has better screen resolution than Xiaomi MI Redmi 3. |
| Display Format | HD | HD | |
| Pixel Density | 294 ppi | 282 ppi | Xiaomi MI Redmi 3 has better pixel density than LG K40. |
| Aspect Ratio | - | 18:9 | |
| Display Features | - | Curved glass, FullVision display |
| PROCESSOR | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 616 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 1.5 GHz | 2 GHz | LG K40 has higher clock speed than Xiaomi MI Redmi 3. |
| 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 405 | PowerVR GE8320 |
| MEMORY | Xiaomi MI Redmi 3 | LG K40 |
|---|
| RAM | 1 GB | 2 GB | LG K40 has more RAM than Xiaomi MI Redmi 3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | LG K40 has more internal memory than Xiaomi MI Redmi 3. |
| 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 Redmi 3 | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | LG K40 has better camera resolution than Xiaomi MI Redmi 3. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Pixel Size | - | 1 μm | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | - | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI Redmi 3 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | - | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| 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 Redmi 3. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | LG K40 has better front lens aperture than Xiaomi MI Redmi 3. |
| Pixel Size (Front) | - | 1.12 μm | |
| Camera Modes (Front) | - | Portrait mode | |
| Light Source (Front) | - | LED flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3000 mAh | Xiaomi MI Redmi 3 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 polymer | Lithium Ion |
| CELLULAR | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.1 (Lollipop) | Android 8.1 Oreo | |
| User Interface | MIUI V7 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, 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 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | A2DP | - | |
| NFC | - | Yes | LG K40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Redmi 3 | LG K40 |
|---|
| 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 | Xiaomi MI Redmi 3 | LG K40 |
|---|
| 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, proximity sensor, digital compass, gyro sensor | Ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | Xiaomi MI Redmi 3 | LG K40 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |