In depth comparison and review of LG K30 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 | LG K30 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LMX320EMW | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 147 mm | 153 mm | LG K40 has greater height than LG K30. |
| Width | 71.5 mm | 71.9 mm | LG K40 has greater width than LG K30. |
| Depth | 8.2 mm | 8.3 mm | LG K30 is narrower than LG K30. |
| Weight | 148 g | 145 g | LG K40 is lighter than LG K30. |
| Body Colour | Aurora black | New Aurora Black | Moroccan blue | |
| Protection | Drop-proof, vibration-resistant, temperature protection | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.466 W/kg (body), 0.464 W/kg (head) | 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 |
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 |
| DISPLAY | LG K30 | LG K40 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.45" | 5.7" | LG K40 has larger screen size than LG K30. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1440 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD+ | HD | |
| Pixel Density | - | 282 ppi | |
| Aspect Ratio | 18:9 | 18:9 | |
| Display Features | FullVision display | Curved glass, FullVision display |
| PROCESSOR | LG K30 | LG K40 |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | MSM8917 | MT6762 | |
| Clock Speed | 1.4 GHz | 2 GHz | LG K40 has higher clock speed than LG K30. |
| Processor Core Qty | Quad-core | 8-core | LG K40 has higher processor core quantity than LG K30. |
| 64-bit Architecture | - | Yes | LG K40 has 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | LG K30 | LG K40 |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | LG K40 has more internal memory than LG K30. |
| User Memory | - | 20.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | LG K30 | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 16 Megapixel | LG K40 has better camera resolution than LG K30. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Pixel Size | 1.12 μm | 1 μm | LG K30 has larger camera pixel size than LG K40. |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Low Light NR mode | - | |
| Light Source | LED flash | LED flash | |
| Camera Features (Functions) | Quick Share, GIF Creation | 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 LG K30. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | LG K40 has better front lens aperture than LG K30. |
| Pixel Size (Front) | 1.12 μm | 1.12 μm | Both phones have the same front camera pixel size. |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | Gesture Shot, Gesture Interval Shot, Auto Shot, portrait mode | Portrait mode | |
| Face Recognition (Face ID) | Face detection | - | LG K30 has face detection. |
| Light Source (Front) | LED flash | LED flash |
| BATTERY AND CHARGING | LG K30 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| 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 |
| CELLULAR | LG K30 | 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 | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | A-GPS | GPS |
| COMMUNICATIONS | LG K30 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | |
| 4G LTE Band | - | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | - | 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 5.0 | Bluetooth 5.0 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | LG K30 | 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 | LG K30 | 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, ambient light sensor, proximity sensor | Ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Google Assistant Button | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | LG K30 | LG K40 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | MIL-STD 810G |
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