In depth comparison and review of LG K10 K420N 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 K10 K420N | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | K420N | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 146.6 mm | 153 mm | LG K40 has greater height than LG K10 K420N. |
| Width | 74.8 mm | 71.9 mm | LG K10 K420N has greater width than LG K40. |
| Depth | 8.8 mm | 8.3 mm | LG K40 is narrower than LG K10 K420N. |
| Weight | 140 g | 145 g | LG K10 K420N is lighter than LG K10 K420N. |
| Body Colour | Black | New Aurora Black | Moroccan blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.48 W/kg (body), 0.462 W/kg (head) | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm 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) | Nano SIM | - | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | LG K10 K420N | LG K40 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.3" | 5.7" | LG K40 has larger screen size than LG K10 K420N. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | LG K40 has better screen resolution than LG K10 K420N. |
| Display Format | HD | HD | |
| Pixel Density | 227 ppi | 282 ppi | LG K40 has better pixel density than LG K10 K420N. |
| Aspect Ratio | - | 18:9 | |
| Display Features | In-Cell Display Technology | Curved glass, FullVision display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 2 (scratch resistant glass) | - |
| PROCESSOR | LG K10 K420N | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 410 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 1.2 GHz | 2 GHz | LG K40 has higher clock speed than LG K10 K420N. |
| Processor Core Qty | Quad-core | 8-core | LG K40 has higher processor core quantity than LG K10 K420N. |
| 64-bit Architecture | - | Yes | LG K40 has 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | LG K10 K420N | LG K40 |
|---|
| RAM | 1.5 GB | 2 GB | LG K40 has more RAM than LG K10 K420N. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | LG K40 has more internal memory than LG K10 K420N. |
| User Memory | - | 20.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | LG K10 K420N | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | LG K40 has better camera resolution than LG K10 K420N. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | - | F/2.0 | |
| Pixel Size | - | 1 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Camera Modes | Gesture Shot | - | |
| Light Source | LED light | LED flash | |
| Still Image Resolutions | 4160 x 3120 | - | |
| 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 LG K10 K420N. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | - | F/2.0 | |
| Pixel Size (Front) | - | 1.12 μm | |
| Camera Modes (Front) | - | Portrait mode | |
| Light Source (Front) | LED flash | LED flash |
| BATTERY AND CHARGING | LG K10 K420N | LG K40 |
|---|
| Battery Capacity (Battery Size) | 2300 mAh | 3000 mAh | LG K40 has larger battery capacity than LG K10 K420N. |
|---|---|---|---|
| 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 | LG K10 K420N | 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 5.1.1 (Lollipop) | Android 8.1 Oreo | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS |
| COMMUNICATIONS | LG K10 K420N | 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 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GAP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, DIP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | LG K10 K420N | LG K40 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, XMF, AAC +, eAAC+, MIDI, MXMF, 3GA, IMY | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP, H.264, H.263 | - | |
| Sound Enhancements | - | DTS: X 3D Premium Sound |
| FEATURES | LG K10 K420N | 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 | - | Ambient light sensor, proximity sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, Knock Code function | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | LG K10 K420N | LG K40 |
|---|
| Included Accessories | Headset, USB cable, power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
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