Detailed comparison and review of LG K40 and Nokia G21. 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 | LG K40 | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-X420EMW | - | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 164.6 mm | Nokia G21 has greater height than LG K40. |
| Width | 71.9 mm | 75.9 mm | Nokia G21 has greater width than LG K40. |
| Depth | 8.3 mm | 8.5 mm | LG K40 is narrower than LG K40. |
| Weight | 145 g | 190 g | LG K40 is lighter than LG K40. |
| Body Colour | New Aurora Black | Moroccan blue | Nordic blue | Dusk | |
| Body Material | - | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.597 W/kg (body), 0.518 W/kg (head) | 1.048 W/kg (body), 0.339 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 |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | - | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K40 | Nokia G21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.7" | 6.5" | Nokia G21 has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1600 x 720 pixels | Nokia G21 has better screen resolution than LG K40. |
| Display Format | HD | HD+ | |
| Pixel Density | 282 ppi | - | |
| Aspect Ratio | 18:9 | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | Curved glass, FullVision display | V-notch display, High brightness mode |
| PROCESSOR | LG K40 | Nokia G21 |
|---|
| Processor Type (CPU) | MediaTek | Unisoc | |
|---|---|---|---|
| Processor Number | MT6762 | T606 | |
| Clock Speed | 2 GHz | 1.6 GHz | LG K40 has higher clock speed than Nokia G21. |
| 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) | PowerVR GE8320 | - |
| MEMORY | LG K40 | Nokia G21 |
|---|
| RAM | 2 GB | 4 GB | Nokia G21 has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Nokia G21 has more internal memory than LG K40. |
| User Memory | 20.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | LG K40 | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than LG K40. |
| Sensor Size | 1/3" | 1/2.76" | LG K40 has better camera sensor size than Nokia G21. |
| Sensor Type | - | CMOS | |
| Lens Aperture | F/2.0 | F/1.8 | Nokia G21 has better lens aperture than LG K40. |
| Lens Construction | - | 5-element | |
| Pixel Size | 1 μm | 0.64 μm | LG K40 has larger camera pixel size than Nokia G21. |
| Focus Adjustment | Automatic | - | |
| Light Source | LED flash | LED flash | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| 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 | - | |
| Pixel Size (Front) | 1.12 μm | - | |
| Camera Modes (Front) | Portrait mode | - | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | LG K40 | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5050 mAh | Nokia G21 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 |
Mixed usage: up to 72 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K40 | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.1 Oreo | Android 11 | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | LG K40 | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K40 | Nokia G21 |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | - | |
|---|---|---|---|
| Sound Enhancements | DTS: X 3D Premium Sound | OZO spatial sound recording |
| FEATURES | LG K40 | Nokia G21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Google Lens, Google Assistant Key, AI Cam | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | LG K40 | Nokia G21 |
|---|
| Included Accessories | Power adapter | USB-C cable, screen protector (pre-applied), 10W charger | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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