LG K9 vs. Samsung Galaxy S21 FE 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of LG K9 and Samsung Galaxy S21 FE 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

LG K9 vs. Samsung Galaxy S21 FE 5G Comparison Chart
DESIGN AND DIMENSIONS LG K9 Samsung Galaxy S21 FE 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G990B/DS
Form Factor Touch Touch
Height 146.3 mm 155.7 mm Samsung Galaxy S21 FE 5G has greater height than LG K9.
Width 73.2 mm 74.5 mm Samsung Galaxy S21 FE 5G has greater width than LG K9.
Depth 8.2 mm 7.9 mm Samsung Galaxy S21 FE 5G is narrower than LG K9.
Weight 148 g 177 g LG K9 is lighter than LG K9.
Body Colour Aurora black Olive | Graphite | White | Lavender
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - -
IP rating - IP68
SAR Value 1.43 W/kg (body), 0.763 W/kg (head) 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb)
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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY LG K9 Samsung Galaxy S21 FE 5G
Display Type LCD display OLED display
Display Technology TFT Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 5" 6.4" Samsung Galaxy S21 FE 5G has larger screen size than LG K9.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2340 x 1080 pixels Samsung Galaxy S21 FE 5G has better screen resolution than LG K9.
Display Format HD Full HD+
Pixel Density - 401 ppi
Colour Depth - 16.7 million colours
HDR Technology - HDR10+
Display Enhancement Technology OnCell technology Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features - AOD(Always On Display), Infinity O display, Video Wallpaper
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR LG K9 Samsung Galaxy S21 FE 5G
Processor Type (CPU) Qualcomm Snapdragon 210 -
Processor Number MSM8909 -
Clock Speed 1.3 GHz 2.84 GHz Samsung Galaxy S21 FE 5G has higher clock speed than LG K9.
Processor Core Qty Quad-core 8-core Samsung Galaxy S21 FE 5G has higher processor core quantity than LG K9.
MEMORY LG K9 Samsung Galaxy S21 FE 5G
RAM 2 GB 6 GB Samsung Galaxy S21 FE 5G has more RAM than LG K9.
Internal Memory Size (Storage Capacity) 16 GB 128 GB Samsung Galaxy S21 FE 5G has more internal memory than LG K9.
User Memory - 101.1 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC - up to 32 GB -
CAMERA LG K9 Samsung Galaxy S21 FE 5G
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 8 Megapixel 12 Megapixel Samsung Galaxy S21 FE 5G has better camera resolution than LG K9.
Sensor Size - 1/1.76"
Lens Type - Wide-angle lens
Lens Aperture - F/1.8
Field of View (FoV) - 79 degree(s)
Pixel Size - 1.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 FE 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Optical Zoom - 3x
Digital Zoom 4x 30x Samsung Galaxy S21 FE 5G has better digital zoom than LG K9.
Special Effects HDR Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Timer mode, sport mode, low-light shots Night mode, portrait mode
Light Source LED light LED flash
Video Resolutions 1280 x 720 (720p) Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) - Dual recording
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 8 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 32 degree(s)
Pixel Size (3rd Camera) - 1 μm
Camera Features (3rd Camera) - Space Zoom x30
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 32 Megapixel Samsung Galaxy S21 FE 5G has better front camera resolution than LG K9.
Lens Aperture (Front) - F/2.2
Field of View (Front) - 81 degree(s)
Pixel Size (Front) - 0.8 μm
Focus Adjustment - Focus free
BATTERY AND CHARGING LG K9 Samsung Galaxy S21 FE 5G
Battery Capacity (Battery Size) 2500 mAh 4500 mAh Samsung Galaxy S21 FE 5G has larger battery capacity than LG K9.
Fast Charging Technology - Samsung Fast Charging Samsung Galaxy S21 FE 5G has fast charging technology.
Wireless Charging - Yes Samsung Galaxy S21 FE 5G can be charged wirelessly.
Wireless Charging Standards - Wireless PowerShare
Talk Time - 2220 minutes
Run Time Details - Talk (LTE): up to 2220 min
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 16 hrs
Playback (audio): up to 79 hrs
Battery Technology Lithium Ion -
CELLULAR LG K9 Samsung Galaxy S21 FE 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 FE 5G has more advanced generation mobile network.
Operating System Android 7.1.2 (Nougat) Android 12
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS LG K9 Samsung Galaxy S21 FE 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE FDD-LTE, TDD-LTE, 5G NR FR1
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 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band - Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66
4G LTE Frequency - FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
NFC - Yes Samsung Galaxy S21 FE 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA LG K9 Samsung Galaxy S21 FE 5G
Supported Digital Audio Standards - WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID
Supported Digital Video Standards - MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES LG K9 Samsung Galaxy S21 FE 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices - Fingerprint reader
Additional Phone Features KnockON, Knock Code function, Smart Keyboard, Easy Home mode, QuickMemo+ function, Smart Lock, Shortcut Keys MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode
OTHERS LG K9 Samsung Galaxy S21 FE 5G
Included Accessories USB cable, power adapter SIM card removal tool, USB-C cable
Compliant Standards HAC (Hearing Aid Compatible) IP68
Max Depth of Water Resistance - 1.5 m
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