In depth comparison and review of LG K40 and Motorola RAZR 40. 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 K40 | Motorola RAZR 40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-X420EMW | - | |
| Form Factor | Touch | Folder (flip) - touch screen, dual screen | |
| Height | 153 mm | 170.82 mm | Motorola RAZR 40 has greater height than LG K40. |
| Width | 71.9 mm | 73.95 mm | Motorola RAZR 40 has greater width than LG K40. |
| Depth | 8.3 mm | 7.35 mm | Motorola RAZR 40 is narrower than LG K40. |
| Weight | 145 g | 188.6 g | LG K40 is lighter than LG K40. |
| Dimensions Details | - | Unfolded - 73.95 mm x 7.35 mm x 170.82 mm Folded - 73.95 mm x 15.8 mm x 88.24 mm |
|
| Body Colour | New Aurora Black | Moroccan blue | Vanilla cream | Sage green | Summer lilac | |
| Body Material | - | Vegan leather, 7000 Series aluminium, Corning Gorilla Glass Victus | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | Motorola RAZR 40 is waterproof. |
| IP rating | - | IP52 | |
| SAR Value | 1.597 W/kg (body), 0.518 W/kg (head) | - | |
| Integrated Components | 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 | |
| SIM Card Type (Size) | - | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K40 | Motorola RAZR 40 |
|---|
| Display Type | LCD display | pOLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED (LTPO) | |
| Foldable Display | - | Yes | |
| Display Design | - | Inward folding | |
| Screen Size (Display Size) | 5.7" | 6.9" | Motorola RAZR 40 has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2640 x 1080 pixels | Motorola RAZR 40 has better screen resolution than LG K40. |
| Display Format | HD | Full HD+ | |
| Pixel Density | 282 ppi | 413 ppi | Motorola RAZR 40 has better pixel density than LG K40. |
| Aspect Ratio | 18:9 | 22:9 | |
| Max Brightness | - | 1400 cd/m² | |
| Colour Depth | - | 1.07 billion colours | |
| HDR | - | Yes | Motorola RAZR 40 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 144 Hz | |
| Touch Sampling Rate | - | 360 Hz | |
| Display Features | Curved glass, FullVision display | DCI-P3 Wide colour gamut, secondary screen: 282 PPI |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 1.5" | |
| Second Display Resolution | - | 194 x 368 pixels |
| PROCESSOR | LG K40 | Motorola RAZR 40 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 7 Gen 1 | |
|---|---|---|---|
| Processor Number | MT6762 | - | |
| Clock Speed | 2 GHz | 2.4 GHz | Motorola RAZR 40 has higher clock speed than LG K40. |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | - | LG K40 has 64-bit architecture. |
| Graphics System (GPU) | PowerVR GE8320 | Qualcomm ADRENO 644 |
| MEMORY | LG K40 | Motorola RAZR 40 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 8 GB | Motorola RAZR 40 has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Motorola RAZR 40 has more internal memory than LG K40. |
| User Memory | 20.2 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | LG K40 | Motorola RAZR 40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 64 Megapixel | Motorola RAZR 40 has better camera resolution than LG K40. |
| Sensor Size | 1/3" | - | |
| Lens Aperture | F/2.0 | F/1.7 | Motorola RAZR 40 has better lens aperture than LG K40. |
| Pixel Size | 1 μm | 0.7 μm | LG K40 has larger camera pixel size than Motorola RAZR 40. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Motorola RAZR 40 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Spot Colour | |
| Camera Modes | - | Panorama, Pro mode, BurstShot, Quick Shot, Watermark mode, tap anywhere to capture, Active photos, Portrait, Night Vision, Portrait video, Hyperlapse video, Live filter, Ultra-Res, Capture Dual, Scanner, Auto night vision, smart high resolution | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola RAZR 40 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes | Auto-Macro, video stabilisation, smart composition, Audio zoom, levelling, shot optimisation, Google Lens, Assistive Grid, Quad Pixel technology for 1.4 µm, keep last mode, horizon lock, smart noise cancellation |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Motorola RAZR 40 has better front camera resolution than LG K40. |
| Sensor Size (Front) | 1/4" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.4 | LG K40 has better front lens aperture than LG K40. |
| Pixel Size (Front) | 1.12 μm | 0.7 μm | LG K40 has larger front camera pixel size than Motorola RAZR 40. |
| Focus Adjustment | - | Fixed focus | |
| Special Effects (Front) | - | HDR, photo booth, Spot Colour | |
| Camera Modes (Front) | Portrait mode | Pro mode, BurstShot, Quick Shot, Watermark mode, Face Beauty, tap anywhere to capture, Active photos, Selfie Mirror, Portrait video, Gesture selfie, Hyperlapse video, Live filter, Capture Dual, Portrait mode beauty, Auto night vision | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola RAZR 40 has face detection. |
| Light Source (Front) | LED flash | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | - | Self-timer, video stabilisation, Quad Pixel technology for 1.4 µm, levelling, Selfie animation, Assistive grid, keep last mode, smart noise cancellation |
| BATTERY AND CHARGING | LG K40 | Motorola RAZR 40 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4200 mAh | Motorola RAZR 40 has larger battery capacity than LG K40. |
|---|---|---|---|
| Fast Charging Technology | - | TurboPower technology | Motorola RAZR 40 has fast charging technology. |
| Wireless Charging | - | Yes | Motorola RAZR 40 can be charged wirelessly. |
| 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 K40 | Motorola RAZR 40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Motorola RAZR 40 has more advanced generation mobile network. |
| Operating System | Android 8.1 Oreo | Android 13 | |
| User Interface | - | My UX | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, LTEPP, SUPL |
| COMMUNICATIONS | LG K40 | Motorola RAZR 40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | EDGE, HSPA+, LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40, n26 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 850 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.3 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K40 | Motorola RAZR 40 |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | Dolby Atmos | |
|---|---|---|---|
| Sound Enhancements | DTS: X 3D Premium Sound | Surround sound, dual stereo speakers tuned by Dolby |
| FEATURES | LG K40 | Motorola RAZR 40 |
|---|
| 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, digital compass, barometer, hall sensor, ultrasonic sensor, gyroscope | |
| 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 | Three microphones, dual stereo speakers |
| OTHERS | LG K40 | Motorola RAZR 40 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, TurboPower 33W charger | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | IP52 |
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