LG K40S (X430BMW) vs Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB)
Side by side comparison between LG K40S vs Samsung Galaxy S25 Ultra 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
6.9"
AMOLED
AMOLED
1440x3120
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S25 Ultra (SM-S938B/DS 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 
36 Advantages | 18 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo on both cameras / HDR photo/video on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| +11 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 S25 Ultra (SM-S938B/DS 256GB) | |
| Model | K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) |
| Other model names | LG K40s LM-X430BMW, LMX430BMW (3GB RAM) | Galaxy S25 Ultra SM-S938B/Dual-SIM |
| Country or region available |  Brazil |  (Global, International) |
| Brand | LG | Samsung |
| Release date | 9/1/2019 | 2/3/2025, Announced: 2/22/2025 |
| Depth | 8.6 millimeters (0.34 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 73.9 x 156.3 millimeters (2.91 x 6.15 in) | 77.6 x 162.8 millimeters (3.06 x 6.41 in) |
| Weight | 186 grams (6.51 ounces) | 218 grams (7.63 ounces) |
| Build, materials | Plastic body, glass front | Titanium frame, glass front and back Back: Gorilla Armor 2 |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Display type | TFT IPS LCD | LTPO AMOLED |
| Screen size | 6.1" inches | 6.9" inches |
| Screen-to-body ratio | ~80.4% (screen-to-body ratio) | ~92.5% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 1440x3120 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 276 PPI | 498 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Armor 2 |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 2600nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| System version | Android 9.0 Pie | Android 15 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | One UI 7.0 |
⚙️ Processor | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 2207809 (v10) Geekbench: 9846 (v6) |
💽 Memory and storage | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| RAM memory | 3GB LPDDR3 | 12GB LPDDR5X |
| Internal storage | 32GB (18GB available) eMMC 5.1 | 256GB (223GB available) UFS 4.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 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) | 2 slots (Dual-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 TD-SCDMA 1900/2000 UMTS |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 28) | LTE Cat24 () TD-LTE () VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 () |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Secondary 4G network | Not supported | LTE Cat24 () TD-LTE () VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.21.12μm117° | (quad camera) 200 megapixels 10MP telephoto f/2.467mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 50MP periscope telephoto f/3.4111mm1/2.52"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.9120°0.7µmPDAFSuper-Steady |
| Main camera resolution | 4128x3096 pixels | 20000x10000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm (lens) | 24mm (lens) |
| Sensor size | feature not registered | 1/1.3" inches |
| Pixel size | 1.12µm pixel | 0.6µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical 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 | feature not registered |
📸 Front camera | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Front camera (secondary) | 13 megapixels | 12 megapixels |
| Front camera resolution | 4128x3096 pixels | 4000x3000 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 | 26mm (lens) |
| Sensor size | feature not registered | 1/3.2" inches |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| 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 S25 Ultra (SM-S938B/DS 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 | 5.4 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Sensors | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3500 mAh | 5000 mAh |
| Charger, watts | 6W (5V/1.2A) Wired charging | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging 4.5W Reverse wireless charging |
| Talk time autonomy | 16 hours | feature not registered |
| Standby | 432 hours (18 days) | feature not registered |
➕ Other features | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 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 | • Samsung DeX • Samsung Wireless DeX • Stylus (S Pen) • Circle to Search |
☢️ Radiation rate | ||
| LG K40S (X430BMW) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |