LG K40 (X420EM) vs Samsung Galaxy S10 Plus (SM-G975U 512GB)
Side by side comparison between LG K40 vs Samsung Galaxy S10 Plus phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1440x3040
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4100
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S10 Plus (SM-G975U 512GB)
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!
3 Advantages 
33 Advantages | 18 Common items in both devices |
| Until 1TB microSD, microSDXC |
| 16 million |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo on both cameras / HDR photo/video on both cameras |
| 4G LTE-A |
| Capacitive |
| Multitouch |
| +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 K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Model | K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) |
| Other model names | LG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM | Galaxy S10+ Ceramic (Snapdragon) G975U, Samsung Beyond 2 |
| Country or region available |  (Europe) |  USA |
| Brand | LG | Samsung |
| Release date | 3/31/2019 | 3/1/2019, Announced: 2/20/2019 |
| Depth | 8.3 millimeters (0.33 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) | 74.1 x 157.6 millimeters (2.92 x 6.2 in) |
| Weight | 145 grams (5.08 ounces) | 198 grams (6.93 ounces) |
| Build, materials | Plastic body, glass front | Ceramic body, glass front |
| 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 K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 5.7" inches | 6.4" inches |
| Screen-to-body ratio | ~76.2% (screen-to-body ratio) | ~87.5% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels | 1440x3040 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 282 PPI | 526 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | HDR10+ Always-On Display |
🤖 Operating System | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| System version | Android 8.1 Oreo | Android 9.0 Pie |
| Firmware update | feature not registered | Android 12 |
| User Interface | feature not registered | One UI 2.0 / 3.1 / 4.1 |
⚙️ Processor | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 512GB (482GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 2000/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Back camera (main camera) | 16 megapixels | (triple camera) 12.2 megapixels 12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom 16MP ultrawide f/2.212mm |
| Main camera resolution | 4608x3456 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.5 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3" inches | 1/2.55" inches |
| Pixel size | 1µm pixel | 1.4µm 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 | 1080p@240fps 720p@960fps |
📸 Front camera | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Front camera (secondary) | 8 megapixels | (dual front camera) 10 megapixels 8MP depth f/2.222mm |
| Front camera resolution | 3264x2448 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| 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 K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Heart rate Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 4100 mAh |
| Charger, watts | Wired charging | 15W (9V/1.67A) Wired fast charging USB Power Delivery 2.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging |
| Talk time autonomy | 8 hours | feature not registered |
| Standby | 100 hours (4.2 days) | feature not registered |
➕ Other features | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| 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: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound | • Colors: Ceramic black, Ceramic white • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC) |
☢️ Radiation rate | ||
| LG K40 (X420EM) | Galaxy S10 Plus (SM-G975U 512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.11W/kg (head), 1.59W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |