LG K51S vs. Samsung Galaxy Z Flip 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of LG K51S and Samsung Galaxy Z Flip 5G. 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 K51S vs. Samsung Galaxy Z Flip 5G Comparison Chart
DESIGN AND DIMENSIONS LG K51S Samsung Galaxy Z Flip 5G
Product Type Smartphone Smartphone
Manufacturer Model Number LM-K510EMW SM-F707B
Form Factor Touch Folder (flip) - touch screen, dual screen
Height 165.2 mm 167.3 mm Samsung Galaxy Z Flip 5G has greater height than LG K51S.
Width 76.7 mm 73.6 mm LG K51S has greater width than Samsung Galaxy Z Flip 5G.
Depth 8.26 mm 7.2 mm Samsung Galaxy Z Flip 5G is narrower than LG K51S.
Weight 194 g 183 g Samsung Galaxy Z Flip 5G is lighter than LG K51S.
Dimensions Details - Unfolded - 73.6 mm x 7.2 mm x 167.3 mm
Folded - 73.6 mm x 15.4 mm x 87.4 mm
Body Colour Pink | Titan Mystic grey | Mystic bronze
Waterproof (Water-resistant) - -
SAR Value 1.335 W/kg (body), 0.501 W/kg (head) 1.451 W/kg (body), 0.799 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY LG K51S Samsung Galaxy Z Flip 5G
Display Type LCD display OLED display
Display Technology IPS Infinity Flex Dynamic AMOLED
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 6.55" 6.7" Samsung Galaxy Z Flip 5G has larger screen size than LG K51S.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2636 x 1080 pixels Samsung Galaxy Z Flip 5G has better screen resolution than LG K51S.
Display Format HD+ Full HD+
Pixel Density 268 ppi 425 ppi Samsung Galaxy Z Flip 5G has better pixel density than LG K51S.
Aspect Ratio 20:9 21.9:9
Max Brightness 400 cd/m² -
Colour Depth - 16.7 million colours
Display Features Reading mode, FullVision display, night mode, hole in display Always-on display, Edge Screen, Edge Lighting, Video Wallpaper
Display Protection (Screen Protector) Tempered glass Samsung Ultra Thin Glass
SECOND DISPLAY
Second Display Type - OLED display - colour
Second Display Screen Size - 1.05"
Second Display Resolution - 300 x 112 pixels
Second Display Colour Depth - 16.7 million colours
PROCESSOR LG K51S Samsung Galaxy Z Flip 5G
Processor Type (CPU) MediaTek -
Processor Number MT6765 -
Clock Speed 2.3 GHz 3.09 GHz Samsung Galaxy Z Flip 5G has higher clock speed than LG K51S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - LG K51S has 64-bit architecture.
Graphics System (GPU) IMG PowerVR GE8320 -
MEMORY LG K51S Samsung Galaxy Z Flip 5G
RAM 3 GB 8 GB Samsung Galaxy Z Flip 5G has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 64 GB 256 GB Samsung Galaxy Z Flip 5G has more internal memory than LG K51S.
User Memory 50.2 GB 220.9 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA LG K51S Samsung Galaxy Z Flip 5G
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 32 Megapixel 12 Megapixel LG K51S has better camera resolution than Samsung Galaxy Z Flip 5G.
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) 78 degree(s) Samsung Galaxy Z Flip 5G has larger lens field of view than LG K51S.
Pixel Size - 1.4 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy Z Flip 5G has optical stabilisation.
Focus Adjustment Automatic Automatic, manual
Minimum Focal Length (Focal Distance) 24 mm -
Digital Zoom 8x 8x Both phones have the same digital zoom.
Self-Timer Delay Yes Yes
Special Effects HDR HDR, Grid Line
Camera Modes Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape Slow motion video, Panorama, Pro mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, AR Emoji, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Motion Photos, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Filter mode
Face Recognition (Face ID) Face detection - LG K51S has face detection.
White Balance Automatic -
Light Source LED flash High CRI 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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Super Speed Dual Pixel AF, AR Doodle
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 12 Megapixel Samsung Galaxy Z Flip 5G has better second camera resolution than LG K51S.
Lens Type (2nd Camera) Super wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 115 degree(s) 123 degree(s) Samsung Galaxy Z Flip 5G has larger second camera lens field of view than LG K51S.
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) 13 Megapixel 10 Megapixel LG K51S has better front camera resolution than Samsung Galaxy Z Flip 5G.
Lens Aperture (Front) - F/2.4
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 1.22 μm
Focus Adjustment - Automatic
Camera Modes (Front) Gesture Shot, Selfie portrait Live Focus mode, Live focus video
Face Recognition (Face ID) Face detection - LG K51S has face detection.
Camera Features (Front) 17 filters -
BATTERY AND CHARGING LG K51S Samsung Galaxy Z Flip 5G
Battery Capacity (Battery Size) 4000 mAh 3300 mAh LG K51S has larger battery capacity than Samsung Galaxy Z Flip 5G.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging Samsung Galaxy Z Flip 5G has fast charging technology.
Wireless Charging - Yes Samsung Galaxy Z Flip 5G can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Wireless PowerShare
Standby Time 100 hours -
Talk Time 480 minutes 1440 minutes Samsung Galaxy Z Flip 5G has longer battery life when making calls than LG K51S.
Run Time Details Talk: up to 480 min
Standby: up to 100 hrs
Talk: up to 1440 min
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (wireless audio): up to 63 hrs
Playback (wireless video): up to 18 hrs
Battery Technology Lithium Ion -
CELLULAR LG K51S Samsung Galaxy Z Flip 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Z Flip 5G has more advanced generation mobile network.
Operating System Android 9.0 Pie Android 10
User Interface LG UX 9 One UI 2.5
Intelligent Assistant Google Assistant Bixby
Payment Technology - Samsung Pay
Navigation GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS LG K51S Samsung Galaxy Z Flip 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE VoLTE, FDD-LTE, TDD-LTE, VoWiFi, Gigabit 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 3, Band 7, Band 8, Band 20, Band 38 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n28, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 BLE Bluetooth 5.0
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 -
MEDIA LG K51S Samsung Galaxy Z Flip 5G
Supported Digital Audio Standards WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements DTS: X 3D Surround Sound Dolby Digital Plus sound, Dolby Digital sound
FEATURES LG K51S Samsung Galaxy Z Flip 5G
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 Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Additional Phone Features DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button Multitasking, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Bixby Vision, Bixby Routines, Intelligent Performance Enhancer, Flex mode, Multi Active Window
OTHERS LG K51S Samsung Galaxy Z Flip 5G
Included Accessories Power adapter, SIM card removal tool, USB-C cable USB adapter, power adapter, SIM card removal tool, clear case, USB-C to USB-A cable, Earphones (USB Type-C) with sound by AKG
Compliant Standards MIL-STD 810G VDE, SGS
Other projects: