LG G6 vs. LG K40

Phone Comparison, Reviews and Tests

Detailed comparison and review of LG G6 and LG K40. 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.

Phone Specifications Comparison

LG G6 vs. LG K40 Comparison Chart
DESIGN AND DIMENSIONS LG G6 LG K40
Product Type Smartphone Smartphone
Manufacturer Model Number - LM-X420EMW
Form Factor Touch Touch
Height 148.9 mm 153 mm LG K40 has greater height than LG G6.
Width 71.9 mm 71.9 mm Both phones are the same width
Depth 7.9 mm 8.3 mm LG G6 is narrower than LG G6.
Weight 163 g 145 g LG K40 is lighter than LG G6.
Body Colour Black | Ice platinum New Aurora Black | Moroccan blue
Body Material Gorilla glass 5 -
Protection Shockproof, dustproof, splashproof, scratch-resistant, water-resistant -
Waterproof (Water-resistant) Yes - LG G6 is waterproof.
IP rating IEC 60529 IP68 -
SAR Value - 1.597 W/kg (body), 0.518 W/kg (head)
Integrated Components FM radio FM radio
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-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 G6 LG K40
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 5.7" 5.7" Both phones have the same screen size.
Screen Resolution (Display Resolution) 2880 x 1440 pixels 1440 x 720 pixels LG G6 has better screen resolution than LG K40.
Display Format QHD+ HD
Pixel Density 564 ppi 282 ppi LG G6 has better pixel density than LG K40.
Aspect Ratio - 18:9
Colour Depth 16.7 million colours -
HDR Yes - LG G6 has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Dolby Vision -
Display Features In-Cell Display Technology, Always-on display, FullVision display Curved glass, FullVision display
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass), Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR LG G6 LG K40
Processor Type (CPU) Qualcomm Snapdragon 821 MediaTek
Processor Number MSM8996 Pro MT6762
Clock Speed 2.35 GHz 2 GHz LG G6 has higher clock speed than LG K40.
Processor Core Qty Quad-core 8-core LG K40 has higher processor core quantity than LG G6.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 PowerVR GE8320
MEMORY LG G6 LG K40
RAM 4 GB 2 GB LG G6 has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory - 20.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA LG G6 LG K40
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 13 Megapixel 16 Megapixel LG K40 has better camera resolution than LG G6.
Sensor Size - 1/3"
Lens Type Telephoto lens -
Lens Aperture F/1.8 F/2.0 LG G6 has better lens aperture than LG G6.
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - LG G6 has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Special Effects HDR -
Camera Modes Slow motion video, Panorama, Time-lapse mode, BurstShot, manual mode, Cheese Shot, Food mode, Timer Shot, Snap video mode, Popout Mode, 360 Panorama mode -
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps -
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Closed loop processing, geotagging, RAW image capture, camera roll view, Steady Record 2.0, Square Camera Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes
SECOND CAMERA
Sensor Resolution (2nd Camera) 13 Megapixel -
Lens Type (2nd Camera) Wide-angle lens -
Lens Aperture (2nd Camera) F/2.4 -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 8 Megapixel LG K40 has better front camera resolution than LG G6.
Sensor Size (Front) - 1/4"
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.2 F/2.0 LG K40 has better front lens aperture than LG G6.
Pixel Size (Front) - 1.12 μm
Camera Modes (Front) Time-lapse mode, Gesture Shot, Share Shot function, Auto Shot, GIF animation function, Popout Mode, Square Camera Portrait mode
Light Source (Front) Flash LED flash
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Electronic Image Stabiliser (EIS) -
BATTERY AND CHARGING LG G6 LG K40
Battery Capacity (Battery Size) 3300 mAh 3000 mAh LG G6 has larger battery capacity than LG K40.
Fast Charging Technology Qualcomm Quick Charge 3.0 - LG G6 has fast charging technology.
Standby Time - 100 hours
Talk Time - 480 minutes
Run Time Details - Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology Lithium polymer Lithium Ion
CELLULAR LG G6 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 7.0 Nougat Android 8.1 Oreo
User Interface LG UX 6.0 -
Intelligent Assistant Google Assistant Google Assistant
Payment Technology Android Pay -
Navigation GPS GPS
COMMUNICATIONS LG G6 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 4.2 Bluetooth 5.0 LE
Bluetooth Profiles HFP, HSP, OPP, PAN, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA LG G6 LG K40
Supported Digital Audio Standards WAV, WMA, AAC, MP3, AAC +, OGG, eAAC+, MIDI, MP4, AMR-WB, AMR-NB WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, M-JPEG, XviD, MPEG-4, WMV, ASF, 3GP, H.263, TS, WebM, VP8, VP9, Theora, OGM, MPEG4-ASP, MPEG4-SP, H.264 BP, H.264 MP, H.264 HP, H.265 Main, H.265 Main10 -
Sound Enhancements - DTS: X 3D Premium Sound
FEATURES LG G6 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, gyro sensor, hall sensor Ambient light sensor, proximity sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features TTY compatible, software updates FOTA (Firmware Over The Air), multitasking, HD Voice, Wi-Fi Calling, Wireless Emergency Alerts function, QuickMemo+ function, Smart Cleaning, Alarm Clock, Noise suppression by NXP Solution, Fast Charging, HD audio recorder, DriveMode, TTD compatible Google Lens, Google Assistant Key, AI Cam
Android Enterprise Recommended Yes -
OTHERS LG G6 LG K40
Included Accessories Power adapter, USB-C cable Power adapter
Compliant Standards IEC 60529 IP68, MIL-STD 810G, HAC (Hearing Aid Compatible) MIL-STD 810G
Max Depth of Water Resistance 1.5 m -
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