In depth comparison and review of LG G8s ThinQ 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 G8s ThinQ | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 155.3 mm | 153 mm | LG G8s ThinQ has greater height than LG K40. |
| Width | 76.6 mm | 71.9 mm | LG G8s ThinQ has greater width than LG K40. |
| Depth | 7.99 mm | 8.3 mm | LG G8s ThinQ is narrower than LG G8s ThinQ. |
| Weight | 181 g | 145 g | LG K40 is lighter than LG G8s ThinQ. |
| Body Colour | Mirror black | New Aurora Black | Moroccan blue | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP68 | - | |
| SAR Value | 0.482 W/kg (head), 1.587 W/kg (body) | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | LG G8s ThinQ | LG K40 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 6.21" | 5.7" | LG G8s ThinQ has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 2248 x 1080 pixels | 1440 x 720 pixels | LG G8s ThinQ has better screen resolution than LG K40. |
| Display Format | Full HD+ | HD | |
| Pixel Density | 401 ppi | 282 ppi | LG G8s ThinQ has better pixel density than LG K40. |
| Aspect Ratio | 18.7:9 | 18:9 | |
| HDR | Yes | - | LG G8s ThinQ has HDR. |
| Display Features | Always-on display, FullVision display, Comfort View, Palm Rejection | Curved glass, FullVision display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
| PROCESSOR | LG G8s ThinQ | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 2.84 GHz | 2 GHz | LG G8s ThinQ has higher clock speed than LG K40. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | LG G8s ThinQ | LG K40 |
|---|
| RAM | 6 GB | 2 GB | LG G8s ThinQ has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | LG G8s ThinQ 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, microSDXC - up to 2 TB |
| CAMERA | LG G8s ThinQ | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 16 Megapixel | LG K40 has better camera resolution than LG G8s ThinQ. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | F/1.8 | F/2.0 | LG G8s ThinQ has better lens aperture than LG G8s ThinQ. |
| Field of View (FoV) | 78 degree(s) | - | |
| Pixel Size | 1.4 μm | 1 μm | LG G8s ThinQ has larger camera pixel size than LG K40. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | Portrait, HDR, Film effect, Cine Effect, Studio, Cine Shot | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, manual mode, Auto mode, Food mode, 360 Panorama mode, Cine Video Mode, AR Emoji, Flash Jump-Cut, Night view | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) at 60 fps | - | |
| Camera Features (Functions) | Live Photo, Spotlight, Optical Image Stabiliser plus (OIS+), Dual Phase Detect Auto-Focus (PDAF), Steady Record 2.0, Wind Noise Filter, Point zoom, AR sticker, HDR10 video recording, AI Composition, My Avatar | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Super wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.4 | - | |
| Field of View (2nd Camera) | 136 degree(s) | - | |
| Pixel Size (2nd Camera) | 1 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.6 | - | |
| Field of View (3rd Camera) | 48 degree(s) | - | |
| Pixel Size (3rd Camera) | 1 μm | - | |
| Optical Zoom | 2x | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.9 | F/2.0 | LG G8s ThinQ has better front lens aperture than LG G8s ThinQ. |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 1.12 μm | 1.12 μm | Both phones have the same front camera pixel size. |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | Portrait, HDR, Beauty Shot, Film effect, Cine Shot, Makeup PRO | - | |
| Camera Modes (Front) | Gesture Shot, Gesture Interval Shot, Auto Shot, AR Emoji, Flash Jump-Cut, Story Shot | Portrait mode | |
| Light Source (Front) | Flash | LED flash | |
| Video Resolutions (Front) | 3840 x 2160 (4K) at 60 fps | - | |
| Camera Features (Front) | Gesture View, AR sticker, My Avatar, Z Camera, Dual Phase Detect Auto-Focus (PDAF) | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 0.03 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/1.4 | - | |
| Field of View (2nd Front) | 80 degree(s) | - | |
| Pixel Size (2nd Front) | 14 μm | - | |
| Camera Functions (2nd Front) | TOF camera | - |
| BATTERY AND CHARGING | LG G8s ThinQ | LG K40 |
|---|
| Battery Capacity (Battery Size) | 3550 mAh | 3000 mAh | LG G8s ThinQ has larger battery capacity than LG K40. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | LG G8s ThinQ has fast charging technology. |
| Wireless Charging | Yes | - | LG G8s ThinQ can be charged wirelessly. |
| Standby Time | 150 hours | 100 hours | LG G8s ThinQ has longer standby time than LG K40. |
| Talk Time | 600 minutes | 480 minutes | LG G8s ThinQ has longer battery life when making calls than LG K40. |
| Run Time Details | Talk: up to 600 min Standby: up to 150 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | LG G8s ThinQ | 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 9.0 Pie | Android 8.1 Oreo | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS | GPS |
| COMMUNICATIONS | LG G8s ThinQ | 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 802.11a/b/g/n/ac | 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 G8s ThinQ | LG K40 |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Sound Enhancements | DTS: X 3D Surround Sound | DTS: X 3D Premium Sound |
| FEATURES | LG G8s ThinQ | 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor | Ambient light sensor, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader, hand vein recognition | Face recognition, fingerprint reader | |
| Security Technology | 3D Face unlock | - | |
| Additional Phone Features | Android Beam, Wi-Fi Miracast, HD Voice, Multi Window, QuickMemo+ function, Mini View function, Smart Cleaning, MirrorLink support, 32-bit Hi-Fi Quad DAC, HD audio recorder, Hi-Fi Audio Recorder, LG Health, Shortcut Keys, Battery Saver, Knock Code, Capture+, Heat Pipe, Floating Bar, Google Lens, Google Assistant Key, Google Smart Lock, Emotional Haptic function, RAM (Receiver as Mic) function, AI Cam, Air Motion | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | LG G8s ThinQ | LG K40 |
|---|
| Included Accessories | Headset, power adapter, SIM card removal tool, USB-C cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68, HAC (Hearing Aid Compatible) | MIL-STD 810G |
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