LG K42 (K420YMW) vs Samsung Galaxy S9 Plus (SM-G965U)
Side by side comparison between LG K42 vs Samsung Galaxy S9 Plus phones, differences, pros, cons and full specifications. What's the better?
,
6.6"
IPS
IPS
720x1600
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S9 Plus (SM-G965U)
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 
30 Advantages | 23 Common items in both devices |
| Until 1TB microSD, microSDXC |
| 60Hz |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / PDAF on back camera and autofocus front camera |
| HDR photo on both cameras / HDR photo/video on both cameras |
| (front) 8MP |
| +16 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 K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Model | K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) |
| Other model names | LG K42 LMK420YMW, LM-K420YMW Dual-SIM | Unlocked Galaxy S9+ G965U (Snapdragon) |
| Country or region available |      (Global, International), United Arab Emirates, India, Israel, Taiwan |  USA |
| Brand | LG | Samsung |
| Release date | 9/21/2020 | 3/9/2018, Announced: 2/25/2018 |
| Depth | 8.4 millimeters (0.33 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 76.7 x 165 millimeters (3.02 x 6.5 in) | 73.8 x 158.1 millimeters (2.91 x 6.22 in) |
| Weight | 184 grams (6.44 ounces) | 189 grams (6.62 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back Back: Gorilla Glass 5 |
| 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 K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.6" inches | 6.2" inches |
| Screen-to-body ratio | ~83.1% (screen-to-body ratio) | ~83.6% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1440x2960 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 266 PPI | 531 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | HDR10 Always-On Display |
🤖 Operating System | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| System version | Android 10 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | One UI 2.5 / 3.1 |
⚙️ Processor | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 630 (710MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 265163 (v7), 344891 (v8) Geekbench: 8393 (4.2) |
💽 Memory and storage | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| RAM memory | 3GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 64GB (45GB available) eMMC 5.1 | 64GB (51GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 1200/150 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 Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 39, 40) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 29, 30) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Back camera (main camera) | (quad camera) 13 megapixels 5MP ultrawide f/2.2115°1/5.0"1.12µm 2MP macro f/2.41.75μm 2MP depth f/2.41.75μm | (dual camera) 12.2 megapixels 12MP telephoto f/2.41/3.4"52mm1.0µmAFOIS2x-optical-zoom |
| 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/1.8 (aperture) | f/1.5 (aperture) |
| Focal length | 27mm lens | 26mm lens |
| Sensor size | 1/3.1" inches | 1/2.55" inches |
| Pixel size | 1.12µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF on back camera and autofocus front camera |
| 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 K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Front camera (secondary) | 8 megapixels | 8 megapixels |
| Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | feature not registered | 1/3.6" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| 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 | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| USB | USB 2.0 Type-C, 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 | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 15W (9V/1.67A) Wired fast charging Quick Charge 2 |
| Inductive / wireless charging | Not supported | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | 16 hours | feature not registered |
| Standby | 180 hours (7.5 days) | feature not registered |
➕ Other features | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Titan, Green, Red • Silicon case included • LG 3D Sound Engine | • Colors: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX • Samsung Gear VR • Samsung Pay |
☢️ Radiation rate | ||
| LG K42 (K420YMW) | Galaxy S9 Plus (SM-G965U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.78W/kg (head), 1.59W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |