LG K40S (X430BMW) vs Samsung Galaxy Z Flip 5 (SM-F731U 256GB)
Side by side comparison between LG K40S vs Samsung Galaxy Z Flip 5 phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
IPS
IPS
720x1520
13
MP
MP
13mp
3GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2640
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
3700
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Flip 5 (SM-F731U 256GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
6 Advantages 
33 Advantages | 19 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| Capacitive |
| Multitouch |
| +12 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Model | K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) |
| Other model names | LG K40s LM-X430BMW, LMX430BMW (3GB RAM) | Galaxy Z Flip5 SM-F731U (AT&T, T-Mobile, Verizon) |
| Country or region available |  Brazil |  USA |
| Brand | LG | Samsung |
| Release date | 9/1/2019 | 8/11/2023, Announced: 7/26/2023 |
| Depth | 8.6 millimeters (0.34 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 73.9 x 156.3 millimeters (2.91 x 6.15 in) | 71.9 x 165.1 millimeters (2.83 x 6.5 in) |
| Weight | 186 grams (6.51 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 15.1 x 71.9 x 85.1 mm |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 6.1" inches | 6.7" inches |
| Screen-to-body ratio | ~80.4% (screen-to-body ratio) | ~85.5% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 276 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1750nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 3.4" (720x748), 306 ppi, Gorilla Glass Victus 2 |
🤖 Operating System | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| System version | Android 9.0 Pie | Android 13 |
| Firmware update | feature not registered | Android 14 |
| User Interface | feature not registered | One UI 5.1 / 6.0 |
⚙️ Processor | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 4 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 2x 2.8GHz ARM Cortex-A710 (Dual-core) 2x 2.8GHz ARM Cortex-A715 (Dual-core) 3x 2GHz ARM Cortex-A510 (Triple-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 740 |
| Performance (benchmark) | feature not registered | AnTuTu: 1200698 (v9), 1507299 (v10) Geekbench: 5478 (v5.5), 4984 (v6.0) GFXBench: 91fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| RAM memory | 3GB LPDDR3 | 8GB LPDDR5X |
| Internal storage | 32GB (18GB available) eMMC 5.1 | 256GB (210GB available) UFS 4.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 300/50 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 28) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78) mmWave (257, 258, 260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
📷 Camera | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.21.12μm117° | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 4128x3096 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 24mm (lens) |
| Sensor size | feature not registered | 1/1.76" inches |
| Pixel size | 1.12µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Front camera (secondary) | 13 megapixels | 10 megapixels |
| Front camera resolution | 4128x3096 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 23mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Sensors | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 3700 mAh |
| Charger, watts | 6W (5V/1.2A) Wired charging | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 16 hours | 34 hours (1.4 days) |
| Standby | 432 hours (18 days) | feature not registered |
➕ Other features | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Aurora Black, Moroccan Blue • DTS:X 3D sound surround • Eco Playback | • Colors: Graphite, Cream, Lavender, Gray, Blue, Green, Mint, Yellow • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| LG K40S (X430BMW) | Galaxy Z Flip 5 (SM-F731U 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.17W/kg (head), 0.45W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |