LG K9 vs. Samsung Galaxy A40

Phone Comparison, Reviews and Tests

Detailed comparison and review of LG K9 and Samsung Galaxy A40. 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 K9 vs. Samsung Galaxy A40 Comparison Chart
DESIGN AND DIMENSIONS LG K9 Samsung Galaxy A40
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A405FN/DS
Form Factor Touch Touch
Height 146.3 mm 144.4 mm LG K9 has greater height than Samsung Galaxy A40.
Width 73.2 mm 69.2 mm LG K9 has greater width than Samsung Galaxy A40.
Depth 8.2 mm 7.9 mm Samsung Galaxy A40 is narrower than LG K9.
Weight 148 g 140 g Samsung Galaxy A40 is lighter than LG K9.
Body Colour Aurora black Blue | Coral | White | Black
Waterproof (Water-resistant) - -
SAR Value 1.43 W/kg (body), 0.763 W/kg (head) 1.34 W/kg (body), 0.49 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY LG K9 Samsung Galaxy A40
Display Type LCD display OLED display
Display Technology TFT Super AMOLED
Screen Size (Display Size) 5" 5.9" Samsung Galaxy A40 has larger screen size than LG K9.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2340 x 1080 pixels Samsung Galaxy A40 has better screen resolution than LG K9.
Display Format HD Full HD+
Pixel Density - 439 ppi
Colour Depth - 16.7 million colours
Display Enhancement Technology OnCell technology Blue light filter
Display Features - Always-on display, Infinity Display, Edge-to-Edge screen
PROCESSOR LG K9 Samsung Galaxy A40
Processor Type (CPU) Qualcomm Snapdragon 210 Samsung Exynos
Processor Number MSM8909 7904
Clock Speed 1.3 GHz 1.8 GHz Samsung Galaxy A40 has higher clock speed than LG K9.
Processor Core Qty Quad-core 8-core Samsung Galaxy A40 has higher processor core quantity than LG K9.
MEMORY LG K9 Samsung Galaxy A40
RAM 2 GB 4 GB Samsung Galaxy A40 has more RAM than LG K9.
Internal Memory Size (Storage Capacity) 16 GB 64 GB Samsung Galaxy A40 has more internal memory than LG K9.
User Memory - 49.4 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC - up to 32 GB microSDHC, microSDXC - up to 512 GB
CAMERA LG K9 Samsung Galaxy A40
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 8 Megapixel 16 Megapixel Samsung Galaxy A40 has better camera resolution than LG K9.
Lens Type - Wide-angle lens
Lens Aperture - F/1.7
Focus Adjustment Automatic Automatic
Digital Zoom 4x -
Special Effects HDR -
Camera Modes Timer mode, sport mode, low-light shots Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore
Light Source LED light LED flash
Video Resolutions 1280 x 720 (720p) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) - AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 25 Megapixel Samsung Galaxy A40 has better front camera resolution than LG K9.
Lens Aperture (Front) - F/2.0
Focus Adjustment - Automatic
Camera Modes (Front) - Portrait mode, AR Emoji, Motion Photos
Light Source (Front) - Display flash
Camera Features (Front) - Floating camera button
BATTERY AND CHARGING LG K9 Samsung Galaxy A40
Battery Capacity (Battery Size) 2500 mAh 3100 mAh Samsung Galaxy A40 has larger battery capacity than LG K9.
Fast Charging Technology - Samsung Fast Charging Samsung Galaxy A40 has fast charging technology.
Talk Time - 1080 minutes
Run Time Details - Active online usage (3G): up to 9 hrs
Active online usage (4G): up to 11 hrs
Active online usage (Wi-Fi): up to 11 hrs
Playback (video): up to 14 hrs
Playback (audio): up to 62 hrs
Talk (3G): up to 1080 min
Battery Technology Lithium Ion -
CELLULAR LG K9 Samsung Galaxy A40
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.1.2 (Nougat) Android 9.0 Pie
User Interface - Samsung One UI
Intelligent Assistant - Bixby
Navigation GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS LG K9 Samsung Galaxy A40
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
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band - Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41
4G LTE Frequency - FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
NFC - Yes Samsung Galaxy A40 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA LG K9 Samsung Galaxy A40
Supported Digital Audio Standards - WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards - MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements - Dolby Atmos sound technology
FEATURES LG K9 Samsung Galaxy A40
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 Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Face recognition, fingerprint reader
Additional Phone Features KnockON, Knock Code function, Smart Keyboard, Easy Home mode, QuickMemo+ function, Smart Lock, Shortcut Keys Alarm Clock, Fast Charging
OTHERS LG K9 Samsung Galaxy A40
Included Accessories USB cable, power adapter Power adapter
Compliant Standards HAC (Hearing Aid Compatible) -
Other projects: