Detailed comparison and review of Samsung Galaxy Z Flip 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy Z Flip | LG K51S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-F700F/DS | LM-K510EMW | |
| Form Factor | Folder (flip) - touch screen, dual screen | Touch | |
| Height | 167.3 mm | 165.2 mm | Samsung Galaxy Z Flip has greater height than LG K51S. |
| Width | 73.6 mm | 76.7 mm | LG K51S has greater width than Samsung Galaxy Z Flip. |
| Depth | 6.9 mm | 8.26 mm | Samsung Galaxy Z Flip is narrower than Samsung Galaxy Z Flip. |
| Weight | 183 g | 194 g | Samsung Galaxy Z Flip is lighter than Samsung Galaxy Z Flip. |
| Dimensions Details | Unfolded - 73.6 mm x 6.9 mm x 167.3 mm Folded - 73.6 mm x 15.4 mm x 87.4 mm |
- | |
| Body Colour | Grey | Mirror black | Mirror purple | Pink | Titan | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.369 W/kg (head), 1.546 W/kg (body) | 1.335 W/kg (body), 0.501 W/kg (head) | |
| Connector Type | 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, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy Z Flip | LG K51S |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Infinity Flex Dynamic AMOLED | IPS | |
| Screen Size (Display Size) | 6.7" | 6.55" | Samsung Galaxy Z Flip has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 2636 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy Z Flip has better screen resolution than LG K51S. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 425 ppi | 268 ppi | Samsung Galaxy Z Flip has better pixel density than LG K51S. |
| Aspect Ratio | 21.9:9 | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Always-on display, Edge Screen, Edge Lighting, Video Wallpaper | Reading mode, FullVision display, night mode, hole in display | |
| Display Protection (Screen Protector) | Samsung Ultra Thin Glass | Tempered 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 | Samsung Galaxy Z Flip | LG K51S |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6765 | |
| Clock Speed | 2.9 GHz | 2.3 GHz | Samsung Galaxy Z Flip 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 | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | IMG PowerVR GE8320 |
| MEMORY | Samsung Galaxy Z Flip | LG K51S |
|---|
| RAM | 8 GB | 3 GB | Samsung Galaxy Z Flip has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | Samsung Galaxy Z Flip has more internal memory than LG K51S. |
| User Memory | 223.3 GB | 50.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Samsung Galaxy Z Flip | LG K51S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 32 Megapixel | LG K51S has better camera resolution than Samsung Galaxy Z Flip. |
| 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) | 78 degree(s) | 76.3 degree(s) | Samsung Galaxy Z Flip 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 has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| 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, Grid Line | HDR | |
| Camera Modes | 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 | 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 | High CRI LED flash | LED flash | |
| Video Resolutions | 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 | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | 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 | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 5 Megapixel | Samsung Galaxy Z Flip has better second camera resolution than LG K51S. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Super 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) | 123 degree(s) | 115 degree(s) | Samsung Galaxy Z Flip 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) | 10 Megapixel | 13 Megapixel | LG K51S has better front camera resolution than Samsung Galaxy Z Flip. |
| 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) | Live Focus mode, Live focus video | Gesture Shot, Selfie portrait | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| Camera Features (Front) | - | 17 filters |
| BATTERY AND CHARGING | Samsung Galaxy Z Flip | LG K51S |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4000 mAh | LG K51S has larger battery capacity than Samsung Galaxy Z Flip. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | - | Samsung Galaxy Z Flip has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy Z Flip can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Wireless PowerShare | - | |
| Standby Time | - | 100 hours | |
| Talk Time | 2100 minutes | 480 minutes | Samsung Galaxy Z Flip has longer battery life when making calls than LG K51S. |
| Run Time Details | Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (wireless video): up to 18 hrs Playback (wireless audio): up to 42 hrs Talk (LTE): up to 2100 min |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy Z Flip | LG K51S |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 9.0 Pie | |
| User Interface | - | LG UX 9 | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy Z Flip | LG K51S |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, Gigabit LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) | 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | 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, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 5.0 LE | 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 | Samsung Galaxy Z Flip | LG K51S |
|---|
| Supported Digital Audio Standards | 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 | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Digital sound | DTS: X 3D Surround Sound |
| FEATURES | Samsung Galaxy Z Flip | 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, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Face recognition, fingerprint reader (side) | Fingerprint reader | |
| Additional Phone Features | MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Bixby Vision, Bixby Routines, Intelligent Performance Enhancer, Flex mode, Multi Active Window, Thom Browne Theme | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button |
| OTHERS | Samsung Galaxy Z Flip | LG K51S |
|---|
| Included Accessories | Power adapter, leather cover, Galaxy Watch Active2, gray leather and a black rubber watch straps, Galaxy Buds+ (Thom Browne colors and a grey cradle) | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | VDE | MIL-STD 810G |
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