OnePlus 3 vs. LG K40

Phone Comparison, Reviews and Tests

Detailed comparison and review of OnePlus 3 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

OnePlus 3 vs. LG K40 Comparison Chart
DESIGN AND DIMENSIONS OnePlus 3 LG K40
Product Type Smartphone Smartphone
Manufacturer Model Number - LM-X420EMW
Form Factor Touch Touch
Height 152.7 mm 153 mm LG K40 has greater height than OnePlus 3.
Width 74.7 mm 71.9 mm OnePlus 3 has greater width than LG K40.
Depth 7.4 mm 8.3 mm OnePlus 3 is narrower than OnePlus 3.
Weight 158 g 145 g LG K40 is lighter than OnePlus 3.
Body Colour - New Aurora Black | Moroccan blue
Body Material Anodised aluminium -
Waterproof (Water-resistant) - -
SAR Value 0.645 W/kg (body), 0.995 W/kg (head) 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 - 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 Dual-SIM Dual-SIM
DISPLAY OnePlus 3 LG K40
Display Type OLED display LCD display
Display Technology Optic AMOLED IPS
Screen Size (Display Size) 5.5" 5.7" LG K40 has larger screen size than OnePlus 3.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1440 x 720 pixels OnePlus 3 has better screen resolution than LG K40.
Display Format Full HD HD
Pixel Density 401 ppi 282 ppi OnePlus 3 has better pixel density than LG K40.
Aspect Ratio - 18:9
Colour Depth 16.7 million colours -
Display Features - Curved glass, FullVision display
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR OnePlus 3 LG K40
Processor Type (CPU) Qualcomm Snapdragon 820 MediaTek
Processor Number MSM8996 MT6762
Clock Speed 2.15 GHz 2 GHz OnePlus 3 has higher clock speed than LG K40.
Processor Core Qty Quad-core 8-core LG K40 has higher processor core quantity than OnePlus 3.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 PowerVR GE8320
MEMORY OnePlus 3 LG K40
RAM 6 GB 2 GB OnePlus 3 has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 64 GB 32 GB OnePlus 3 has more internal memory than LG K40.
User Memory - 20.2 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 2 TB
CAMERA OnePlus 3 LG K40
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 16 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/3"
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 3 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
HDR Mode Auto HDR mode -
Camera Modes Panorama -
Face Recognition (Face ID) Face detection - OnePlus 3 has face detection.
Light Source LED light LED flash
Video Resolutions 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps -
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), geotagging Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes
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"
Sensor Name (Front) Sony Exmor R IMX179 sensor -
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Pixel Size (Front) - 1.12 μm
Focus Adjustment Focus free -
Camera Modes (Front) - Portrait mode
Light Source (Front) - LED flash
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
BATTERY AND CHARGING OnePlus 3 LG K40
Battery Capacity (Battery Size) 3000 mAh 3000 mAh Both phones have the same battery capacity.
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 OnePlus 3 LG K40
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System OxygenOS (based on Android 6.0.1) Android 8.1 Oreo
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS OnePlus 3 LG K40
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 1, Band 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 30 Band 1, Band 3, Band 7, Band 8, Band 20, Band 38
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700b, FDD 2300 WCS 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 A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 3 LG K40
Supported Digital Audio Standards WAV, WMA, MP3, FLAC, eAAC+ WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards XviD, MPEG-4, DivX, H.265 -
Sound Enhancements Dirac sound technologies DTS: X 3D Premium Sound
FEATURES OnePlus 3 LG K40
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Ambient light sensor, proximity sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features DLNA Certified, sharing media via DLNA Google Lens, Google Assistant Key, AI Cam
OTHERS OnePlus 3 LG K40
Included Accessories Screen protection film, USB cable, power adapter, SIM card removal tool Power adapter
Compliant Standards - MIL-STD 810G
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