ASUS ZenFone 5 (ZE620KL) vs. LG K51S

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 5 (ZE620KL) 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

ASUS ZenFone 5 (ZE620KL) vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 5 (ZE620KL) LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number ZE620KL LM-K510EMW
Form Factor Touch Touch
Height 153 mm 165.2 mm LG K51S has greater height than ASUS ZenFone 5 (ZE620KL).
Width 75.65 mm 76.7 mm LG K51S has greater width than ASUS ZenFone 5 (ZE620KL).
Depth 7.7 mm 8.26 mm ASUS ZenFone 5 (ZE620KL) is narrower than ASUS ZenFone 5 (ZE620KL).
Weight 155 g 194 g ASUS ZenFone 5 (ZE620KL) is lighter than ASUS ZenFone 5 (ZE620KL).
Body Colour Midnight blue Pink | Titan
Body Material Aluminium -
Waterproof (Water-resistant) - -
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 Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 5 (ZE620KL) LG K51S
Display Type LCD display LCD display
Display Technology IPS+ IPS
Screen Size (Display Size) 6.2" 6.55" LG K51S has larger screen size than ASUS ZenFone 5 (ZE620KL).
Screen Resolution (Display Resolution) 2246 x 1080 pixels 1600 x 720 pixels ASUS ZenFone 5 (ZE620KL) has better screen resolution than LG K51S.
Display Format - HD+
Pixel Density 402 ppi 268 ppi ASUS ZenFone 5 (ZE620KL) has better pixel density than LG K51S.
Aspect Ratio 18:5:9 20:9
Max Brightness 550 cd/m² 400 cd/m² ASUS ZenFone 5 (ZE620KL) has better display brightness than LG K51S.
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating Tempered glass
PROCESSOR ASUS ZenFone 5 (ZE620KL) LG K51S
Processor Type (CPU) Qualcomm Snapdragon 636 MediaTek
Processor Number - MT6765
Clock Speed 1.8 GHz 2.3 GHz LG K51S has higher clock speed than ASUS ZenFone 5 (ZE620KL).
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 509 IMG PowerVR GE8320
MEMORY ASUS ZenFone 5 (ZE620KL) LG K51S
RAM LPDDR4X SDRAM - 4 GB 3 GB ASUS ZenFone 5 (ZE620KL) has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
User Memory - 50.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 2 TB
CAMERA ASUS ZenFone 5 (ZE620KL) LG K51S
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 32 Megapixel LG K51S has better camera resolution than ASUS ZenFone 5 (ZE620KL).
Sensor Size 1/2.55" -
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction 6-element -
Field of View (FoV) - 76.3 degree(s)
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone 5 (ZE620KL) has optical stabilisation.
Focus Adjustment - Automatic
Minimum Focal Length (Focal Distance) - 24 mm
Digital Zoom - 8x
Self-Timer Delay - Yes
Special Effects Night HDR HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving 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 flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 5 Megapixel ASUS ZenFone 5 (ZE620KL) has better second camera resolution than LG K51S.
Lens Type (2nd Camera) Wide-angle lens Super wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 115 degree(s)
Minimum Focal Length (2nd Camera) - 16 mm
Camera Features (2nd Camera) 3-axis electronic image stabilisation -
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 ASUS ZenFone 5 (ZE620KL).
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 -
Special Effects (Front) Night HDR -
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Beauty mode, Auto mode, selfie panorama, GIF animation function Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Camera Features (Front) PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters 17 filters
BATTERY AND CHARGING ASUS ZenFone 5 (ZE620KL) LG K51S
Battery Capacity (Battery Size) 3300 mAh 4000 mAh LG K51S has larger battery capacity than ASUS ZenFone 5 (ZE620KL).
Fast Charging Technology BoostMaster Fast Charging - ASUS ZenFone 5 (ZE620KL) 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 ASUS ZenFone 5 (ZE620KL) 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 9.0 Pie Android 9.0 Pie
User Interface ASUS ZenUI 5.0 LG UX 9
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS ASUS ZenFone 5 (ZE620KL) LG K51S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, DC-HSPA+ 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 802.11ac IEEE 802.11a/b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0 BLE
Bluetooth Profiles A2DP 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 ASUS ZenFone 5 (ZE620KL) LG K51S
Supported Digital Audio Standards - WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards - MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X DTS: X 3D Surround Sound
FEATURES ASUS ZenFone 5 (ZE620KL) 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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
OTHERS ASUS ZenFone 5 (ZE620KL) LG K51S
Included Accessories Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - MIL-STD 810G
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