LG G5 H820 vs. LG K51S

Phone Comparison, Reviews and Tests

Side by side comparison and review of LG G5 H820 and LG K51S. 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 G5 H820 vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS LG G5 H820 LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number H820 LM-K510EMW
Form Factor Touch Touch
Height 149.4 mm 165.2 mm LG K51S has greater height than LG G5 H820.
Width 73.9 mm 76.7 mm LG K51S has greater width than LG G5 H820.
Depth 8.6 mm 8.26 mm LG K51S is narrower than LG G5 H820.
Weight 159 g 194 g LG G5 H820 is lighter than LG G5 H820.
Body Colour Pink | Titan Pink | Titan
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 1.24 W/kg (body), 0.98 W/kg (head) 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 - Dual-SIM
DISPLAY LG G5 H820 LG K51S
Display Type LCD display LCD display
Display Technology IPS Quantum IPS
Screen Size (Display Size) 5.3" 6.55" LG K51S has larger screen size than LG G5 H820.
Screen Resolution (Display Resolution) 2560 x 1440 pixels 1600 x 720 pixels LG G5 H820 has better screen resolution than LG K51S.
Display Format QHD HD+
Pixel Density 554 ppi 268 ppi LG G5 H820 has better pixel density than LG K51S.
Aspect Ratio - 20:9
Max Brightness - 400 cd/m²
Colour Depth 16.7 million colours -
Display Features Always-on display Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) - Tempered glass
PROCESSOR LG G5 H820 LG K51S
Processor Type (CPU) Qualcomm Snapdragon 820 MediaTek
Processor Number - MT6765
Clock Speed 2.15 GHz 2.3 GHz LG K51S has higher clock speed than LG G5 H820.
Processor Core Qty Quad-core 8-core LG K51S has higher processor core quantity than LG G5 H820.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) - IMG PowerVR GE8320
MEMORY LG G5 H820 LG K51S
RAM 4 GB 3 GB LG G5 H820 has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 32 GB 64 GB LG K51S has more internal memory than LG G5 H820.
User Memory 22 GB 50.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 2 TB
CAMERA LG G5 H820 LG K51S
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 16 Megapixel 32 Megapixel LG K51S has better camera resolution than LG G5 H820.
Lens Type Wide-angle 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) 2.0 - LG G5 H820 has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
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 Mode Auto HDR mode -
Camera Modes Panorama 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
Still Image Resolutions 3840 x 2160, 5312 x 2988 -
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 5 Megapixel LG G5 H820 has better second camera resolution than LG K51S.
Lens Type (2nd Camera) - Super wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
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) 8 Megapixel 13 Megapixel LG K51S has better front camera resolution than LG G5 H820.
Lens Aperture (Front) F/2.0 -
Camera Modes (Front) - Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) - 17 filters
BATTERY AND CHARGING LG G5 H820 LG K51S
Battery Capacity (Battery Size) 2800 mAh 4000 mAh LG K51S has larger battery capacity than LG G5 H820.
Standby Time 348 hours 100 hours LG G5 H820 has longer standby time than LG K51S.
Talk Time 1260 minutes 480 minutes LG G5 H820 has longer battery life when making calls than LG K51S.
Run Time Details Talk: up to 1260 min
Standby: up to 348 hrs
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology Lithium Ion Lithium Ion
CELLULAR LG G5 H820 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 6.0 (Marshmallow) Android 9.0 Pie
User Interface LG UX 5.0 LG UX 9
Intelligent Assistant - Google Assistant
Navigation A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS LG G5 H820 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 2, Band 4, Band 5, Band 12, Band 29, Band 30 Band 1, Band 3, Band 7, Band 8, Band 20, Band 38
4G LTE Frequency FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 850, FDD 700a, FDD 700d, 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
Bluetooth Bluetooth 4.2 Bluetooth 5.0 BLE
Bluetooth Profiles - 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 G5 H820 LG K51S
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, ADPCM, FLAC, AC-3, AAC +, OGG, eAAC+, MKA, MIDI, M4A, EC3 WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, AVI, MPEG-4, WMV, ASF, DivX, 3GP, TS, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements - DTS: X 3D Surround Sound
FEATURES LG G5 H820 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, proximity sensor, digital compass, barometer, gyro sensor, colour spectrum sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices - Fingerprint reader
Additional Phone Features DLNA Certified, sharing media via DLNA, Active noise-cancellation, modular design DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
OTHERS LG G5 H820 LG K51S
Included Accessories USB cable, power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - MIL-STD 810G
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