LG G6 vs. LG K51S

Phone Comparison, Reviews and Tests

Detailed comparison and review of LG G6 and LG K51S. 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 K51S Comparison Chart
DESIGN AND DIMENSIONS LG G6 LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number - LM-K510EMW
Form Factor Touch Touch
Height 148.9 mm 165.2 mm LG K51S has greater height than LG G6.
Width 71.9 mm 76.7 mm LG K51S has greater width than LG G6.
Depth 7.9 mm 8.26 mm LG G6 is narrower than LG G6.
Weight 163 g 194 g LG G6 is lighter than LG G6.
Body Colour Black | Ice platinum Pink | Titan
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 - 1.335 W/kg (body), 0.501 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
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY LG G6 LG K51S
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 5.7" 6.55" LG K51S has larger screen size than LG G6.
Screen Resolution (Display Resolution) 2880 x 1440 pixels 1600 x 720 pixels LG G6 has better screen resolution than LG K51S.
Display Format QHD+ HD+
Pixel Density 564 ppi 268 ppi LG G6 has better pixel density than LG K51S.
Aspect Ratio - 20:9
Max Brightness - 400 cd/m²
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 Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass), Corning Gorilla Glass 5 (scratch resistant glass) Tempered glass
PROCESSOR LG G6 LG K51S
Processor Type (CPU) Qualcomm Snapdragon 821 MediaTek
Processor Number MSM8996 Pro MT6765
Clock Speed 2.35 GHz 2.3 GHz LG G6 has higher clock speed than LG K51S.
Processor Core Qty Quad-core 8-core LG K51S 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 IMG PowerVR GE8320
MEMORY LG G6 LG K51S
RAM 4 GB 3 GB LG G6 has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 32 GB 64 GB LG K51S has more internal memory than LG G6.
User Memory - 50.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA LG G6 LG K51S
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 13 Megapixel 32 Megapixel LG K51S has better camera resolution than LG G6.
Lens Type Telephoto lens -
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Field of View (FoV) - 76.3 degree(s)
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - LG G6 has optical stabilisation.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 24 mm
Digital Zoom 8x 8x Both phones have the same digital zoom.
Self-Timer Delay - Yes
Special Effects HDR 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 Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape
Face Recognition (Face ID) - Face detection LG K51S has face detection.
White Balance - Automatic
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) 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), geotagging, Big Pixels technology, Quad Pixel technology
SECOND CAMERA
Sensor Resolution (2nd Camera) 13 Megapixel 5 Megapixel LG G6 has better second camera resolution than LG K51S.
Lens Type (2nd Camera) Wide-angle lens Super wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 LG K51S has better second camera lens aperture than LG G6.
Field of View (2nd Camera) - 115 degree(s)
Minimum Focal Length (2nd Camera) - 16 mm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 88.9 degree(s)
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Field of View (4th Camera) - 88.6 degree(s)
Camera Functions (4th Camera) - Macro camera
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 13 Megapixel LG K51S has better front camera resolution than LG G6.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.2 -
Camera Modes (Front) Time-lapse mode, Gesture Shot, Share Shot function, Auto Shot, GIF animation function, Popout Mode, Square Camera Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Light Source (Front) Flash -
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Electronic Image Stabiliser (EIS) 17 filters
BATTERY AND CHARGING LG G6 LG K51S
Battery Capacity (Battery Size) 3300 mAh 4000 mAh LG K51S has larger battery capacity than LG G6.
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 K51S
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 9.0 Pie
User Interface LG UX 6.0 LG UX 9
Intelligent Assistant Google Assistant Google Assistant
Payment Technology Android Pay -
Navigation GPS GPS
COMMUNICATIONS LG G6 LG K51S
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
Bluetooth Bluetooth 4.2 Bluetooth 5.0 BLE
Bluetooth Profiles HFP, HSP, OPP, PAN, AVRCP, HID, SAP, PBAP, MAP, HOGP HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA LG G6 LG K51S
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 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements - DTS: X 3D Surround Sound
FEATURES LG G6 LG K51S
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 Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader 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 DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
Android Enterprise Recommended Yes -
OTHERS LG G6 LG K51S
Included Accessories Power adapter, USB-C cable Power adapter, SIM card removal tool, USB-C cable
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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